AP Series - Specs

Analytical Balances

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W-AD Series Analytical Balance

(Equipped Standard with Smart Automatic Doors and Touchless Sensors)

Model AP225W-AD AP135W-AD AP225WD-AD AP125WD-AD AP324W-AD AP224W-AD
Capacity 220g 135g 220g / 102g 120g / 52g 320g 220g
 Minimum Display  0.01mg 0.1mg / 0.01mg 0.1mg
Calibration Weight Built-in (*1)
External Calibration Weight Range for Span Calibration (Recommended weight value)
95 to 220.00090g
(200g)
45 to 135.00090g
(100g)
95 to 220.00090g
(200g)
45 to 120.00090g
(100g)
95 to 320.0090g
(300g)
95 to 220.0090g 
(200g)
 Repeatability (at weighing capacity) 
(*2)		 0.015mg (up  to 20g)
0.03mg (up to 100g)
0.05mg (up to 200g)		 0.05mg 0.1mg / 0.05mg 0.1mg / 0.02mg 0.15mg 0.1mg
Repeatability
(for low loads) (*2, *3)		 0.01mg
(for 5g load)		 0.1mg
(for 20g load)		 0.1mg
(for 10g load)
 Minimum Weight (*2, *3) 20mg (*2) 200mg
 Linearity (*2) ±0.1mg ±0.2mg / ±0.1mg ±0.2mg / ±0.05mg ±0.3mg ±0.2mg
 Response Time for Trace Measurements (*4, *5) 2 sec.
 Response Time (*5) 8 sec. 2 sec. / 8 sec. 2 sec.
 USB Host (Type A) ○
 USB Device (Type B) ○
Recipe Compounding ○
 HPLC Buffer Solution Preparation ○
 mol Conversion Function ○
 Sample (Concentration) Preparation ○
 Inspection Support Function ○
 Clock-CAL ○
Automatic Doors ○
Touchless Sensors ○
Adjustable Windbreak Plate ○ -
Ionizer ○
Operational Temperature / Humidity Range 5 to 40℃ at 20 to 85% RH (*6)
 Sensitivity Stability Against Temperature Range ±2ppm / ℃ (10～30℃)
Pan Size Approx. 91 mm dia.
Body Dimensions Approx. W215 × D411 × H346 mm (power supply unit included) Approx. W215 × D367 × H346 mm
Weight Approx. 9.7kg Approx. 8.6kg
Display OEL display (dot matrix)
Rated Electric Power Supply DC12V 1.5A
Power Supply Input (AC Adapter) AC100-240V 480mA 50/60Hz (*7)
Input / Output Terminal RS-232C (D-Sub 9P plug)  USB host (Type A)  USB device (Type B)  Ionizer

*1 Minimum display 0.01 mg models provide two internal weights as standard.

*2 Measurement conditions of W-AD series (0.01 mg models only) are as follows.
　- Set the adjustable windbreak plate in the lowest position
　- With a shield plate configured around the pan

*3 Be compliant with USP Chapter 41. This is the tested value by the weight of the balance's capacity of 5 % (or 5 grams' weight)
   The minimum weight value is affected by the installation environment, so it is necessary to measure it in the actual environment of use.

*4 The response time for displaying 90 % of the added sample amount value in trace measurements (from 1 mg).

*5 The response time value is typical.

*6 Non-condensing.

*7 Depending on the attached AC adapter.

W Series Analytical Balance

Model AP225W AP135W AP125WD AP225WD AP124W AP224W AP324W
Capacity 220g 135g 120g / 52g 220g / 102g 120g 220g 320g
Minimum Display 0.01mg 0.1mg / 0.01mg 0.1mg
Calibration Weight Built-in (*1)
External Calibration Weight Range for Span Calibration (Recommended weight value)
95 to 220.00090g
(200g)
45 to 135.00090g
(100g)
45 to 120.00090g
(100g)
95 to 220.00090g
(200g)
45 to 120.0090g
(100g)
95 to 220.0090g
(200g)
95 to 320.0090g
(300g)
 Repeatability (at weighing capacity)
(*3)		 0.015mg (up  to 20g)
0.03mg (up to 100g)
0.05mg (up to 200g)		 0.05mg 0.1mg / 0.02mg 0.1mg / 0.05mg 0.1mg 0.15mg
Repeatability
(for low loads) (*2, *3)		 0.01mg (for 5 g load) 0.1mg
(for 5g load)		 0.1mg
(for 10g load)		 0.1mg
(for 20g load)
 Minimum Weight (*2, *3) 20mg 200mg
Linearity (*3) ±0.1mg ±0.2mg / ±0.05mg ±0.2mg / ±0.1mg ±0.2mg ±0.3mg
 Response Time for Trace Measurements (*4, *5) 2 sec.
 Response Time (*5) 8 sec. 2 sec. / 8 sec. 2 sec.
 USB Host (Type A) ○
USB Device (Type B) ○
Recipe Compounding ○
HPLC Buffer Solution Preparation ○
mol Conversion Function ○
Sample (Concentration) Preparation ○
Inspection Support Function ○
Clock-CAL ○
Internal Windbreak Plate ○ ○ (optional)
Ionizer (optional) ○
Operational Temperature / Humidity Range 5 to 40℃ at 20 to 85% RH (*6)
Sensitivity Stability Against Temperature Range ±2ppm/℃ (10～30℃)
Pan Size Approx. 91 mm dia.
Body Dimensions Approx. W213 × D411 × H345 mm (power supply unit included) Approx. W213 × D367 × H345 mm
Weight Approx. 7.9 kg Approx. 7.0 kg
Display OEL display (dot matrix)
Rated Electric Power Supply DC12V 1.0A
Power Supply Input (AC Adapter) AC100 - 240 V / 320mA / 50/60Hz
Input / Output Terminal RS-232C (D-Sub 9P plug)  USB host (Type A)  USB device (Type B)  Ionizer

*1 Minimum display 0.01 mg models provide two internal weights as standard.

*2 Be compliant with USP Chapter 41. This is the tested value by the weight of the balance's capacity of 5 % (or 5 grams' weight)
   The minimum weight value is affected by the installation environment, so it is necessary to measure it in the actual environment of use.

*3 The value is the result of a test with the internal windbreak plate.

*4 The response time for displaying 90 % of the added sample amount value in trace measurements (from 1 mg).

*5 The response time value is typical.

*6 Non-condensing.

*7 Depending on the attached AC adapter.

X Series / Y Series Analytical Balance

Series X Series Y Series
Model AP324X AP224X AP124X AP324Y AP224Y AP124Y
Capacity 320g 220g 120g 320g 220g 120g
Minimum Display 0.1mg
Calibration Weight Built-in None
External Calibration Weight Range for Span Calibration (Recommended weight value)
95 to 320.0090g
(300g)
95 to 220.0090g
(200g)
45 to 120.0090g
(100g)
95 to 320.0090g
(300g)
95 to 220.0090g
(200g)
45 to 120.0090g
(100g)
Repeatability (at weighing capacity) 0.15mg 0.1mg 0.15mg 0.1mg
Repeatability
(for low loads) (*1)		 0.1mg (for 20g load) 0.1mg (for 10g load) 0.1mg (for 5g load) 0.1mg (for 20g load) 0.1mg (for 10g load) 0.1mg (for 5g load)
Minimum Weight (*1) 200mg
Linearity ±0.3mg ±0.2mg ±0.3mg ±0.2mg
 Response Time for Trace Measurements (*2, *3) 2 sec.
 Response Time (*3) 2 sec.
 USB Host (Type A) －
USB Device (Type B) ○
Recipe Compounding －
HPLC Buffer Solution Preparation －
mol Conversion Function ○ －
Sample (Concentration) Preparation －
Inspection Support Function ○ －
Clock-CAL ○ －
Ionizer ○ －
Operational Temperature / Humidity Range 5～40℃ 20 to 85% (*4)
Sensitivity Stability Against Temperature Range ±2ppm/℃ (10 to 30℃)
Pan Size Approx. 91 mm dia.
Body Dimensions Approx. W213 × D367 × H345 mm
Weight Approx. 7.0 kg Approx. 6.5 kg
Display OEL display (dot matrix)
Rated Electric Power Supply DC12V 1.0A
Power Supply Input (AC Adapter) AC100 - 240 V / 320mA / 50/60Hz (*5)
Input / Output Terminal RS-232C (D-Sub 9P plug)  USB device (Type B)  Ionizer RS-232C (D-Sub 9P plug)  USB device (Type B) 

*1 Be compliant with USP Chapter 41. This is the tested value by the weight of the balance's capacity of 5 % (or 5 grams' weight)
   The minimum weight value is affected by the installation environment, so it is necessary to measure it in the actual environment of use.

*2 The response time for displaying 90 % of the added sample amount value in trace measurements (from 1 mg).

*3 The response time value is typical.

*4 Non-condensing.

*5 Depending on the attached AC adapter.

AP225W

Capacity

220g
Minimum display

0.01 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.00090 g
（200g）
Repeatability (Standard deviation)

0.015mg
(to 20g)
0.03mg
(to 100g)
0.05mg
(to Minimum Weight)
Minimum Weight *2

20 mg
Linearity *2

±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

8 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 411(D) x 345(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer

*1 Minimum display 0.01mg models provide two internal weights as standard.
*2 Be compliant with USP Chapter 41. This is the tested value by the weight of the balance’s capacity of 5% (or 5 grams’ weight). In the case of the AP225W, the results are for tests carried out with the optional internal windbreak plate applied. The minimum weight value is affected by the installation environment, so it is necessary to measure it in the actual environment of use.
*3 The response time for displaying 90% of the added sample amount value in trace measurements (from 1mg)
*4 The response time value is typical.
*5 Non-condensing.

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AP125WD

Capacity

120 g / 52g
Minimum display

0.01 mg / 0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 120.0090 g
(100 g)
Repeatability (Standard deviation)

0.1 mg / 0.02 mg
Minimum Weight *2

30 mg
Linearity *2

±0.2 mg /±0.05 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec. / 8 sec
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 411(D) x 345(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP225WD

Capacity

220 g / 102g
Minimum display

0.01 mg / 0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg / 0.05 mg
Minimum Weight *2

30 mg
Linearity *2

±0.2 mg /±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec. / 8 sec
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 411(D) x 345(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP124W

Capacity

120 g
Minimum display

0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

45 to 120.009 g
(100 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP224W

Capacity

220 g
Minimum display

0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
Read more
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AP324W

Capacity

320 g
Minimum display

0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 320.009 g
(300 g)
Repeatability (Standard deviation)

0.15 mg
Minimum Weight *2

200 mg
Linearity *2

±0.3 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP124X

Capacity

120 g
Minimum display

0.1 mg
Calibration Weight

Built-in
External Calibration Weight Range for Span Calibration

45 to 120.009 g
(100 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.0 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)　Ionizer
Read more
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AP224X

Capacity

220 g
Minimum display

0.1 mg
Calibration Weight

Built-in
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.0 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)　Ionizer
Read more
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AP324X

Capacity

320 g
Minimum display

0.1 mg
Calibration Weight

Built-in
External Calibration Weight Range for Span Calibration

95 to 320.009 g
(300 g)
Repeatability (Standard deviation)

0.15 mg
Minimum Weight *2

200 mg
Linearity *2

±0.3 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 7.0 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)　Ionizer
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AP124Y

Capacity

120 g
Minimum display

0.1 mg
Calibration Weight

No
External Calibration Weight Range for Span Calibration

45 to 120.009 g
(100 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Not Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Not Included
Clock-CAL

Not Included
Ionizer

Not Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 6.5 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)
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AP224Y

Capacity

220 g
Minimum display

0.1 mg
Calibration Weight

No
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Not Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Not Included
Clock-CAL

Not Included
Ionizer

Not Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 6.5 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)
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AP324Y

Capacity

320 g
Minimum display

0.1 mg
Calibration Weight

No
External Calibration Weight Range for Span Calibration

95 to 320.009 g
(300 g)
Repeatability (Standard deviation)

0.15 mg
Minimum Weight *2

200 mg
Linearity *2

±0.3 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Not Included
USB Device (Type B)

Included
Recipe Compounding

Not Included
HPLC Buffer Solution Preparation

Not Included
mol Conversion Function

Not Included
Sample (Concentration) Preparation

Not Included
Inspection Support Function

Not Included
Clock-CAL

Not Included
Ionizer

Not Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 213(W) x 367(D) x 345(H)mm
Weight

Approx. 6.5 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug)
USB device (Type B)
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AP135W

Capacity

135 g
Minimum display

0.01 mg

AP125WD

Capacity

120 g/52 g
Minimum display

0.1 mg/0.01 mg

AP225WD

Capacity

220 g/102 g
Minimum display

0.1 mg/0.01 mg

AP124W

Capacity

120 g
Minimum display

0.1 mg

AP224W

Capacity

220 g
Minimum display

0.1 mg

AP324W

Capacity

320 g
Minimum display

0.1 mg

AP124X

Capacity

120 g
Minimum display

0.1 mg

AP224X

Capacity

220 g
Minimum display

0.1 mg

AP324X

Capacity

320 g
Minimum display

0.1 mg

AP124Y

Capacity

120 g
Minimum display

0.1 mg

AP224Y

Capacity

220 g
Minimum display

0.1 mg

AP324Y

Capacity

320 g
Minimum display

0.1 mg

AP135W

Capacity

135 g
Minimum display

0.01 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

45 to 135.009 g
(100 g)
Repeatability (Standard deviation)

0.05 mg
Minimum Weight *2

30 mg
Linearity *2

±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

8 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Ionizer

Optional
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 212(W) x 411(D) x 345(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
Read more
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AP225W-AD

Capacity

220g
Minimum display

0.01 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.00090 g
（200g）
Repeatability (Standard deviation)

0.015mg
(to 20g)
0.03mg
(to 100g)
0.05mg
(to Minimum Weight)
Minimum Weight *2

20 mg
Linearity *2

±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

8 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Included
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 411(D) x 346(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer

*1 Minimum display 0.01mg models provide two internal weights as standard.
*2 Be compliant with USP Chapter 41. This is the tested value by the weight of the balance’s capacity of 5% (or 5 grams’ weight). In the case of the AP225W, the results are for tests carried out with the optional internal windbreak plate applied. The minimum weight value is affected by the installation environment, so it is necessary to measure it in the actual environment of use.
*3 The response time for displaying 90% of the added sample amount value in trace measurements (from 1mg)
*4 The response time value is typical.
*5 Non-condensing.

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AP135W-AD

Capacity

135 g
Minimum display

0.01 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

45 to 135.009 g
(100 g)
Repeatability (Standard deviation)

0.05 mg
Minimum Weight *2

30 mg
Linearity *2

±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

8 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Included
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 411(D) x 346(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP125WD-AD

Capacity

120 g / 52g
Minimum display

0.01 mg / 0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 120.0090 g
(100 g)
Repeatability (Standard deviation)

0.1 mg / 0.02 mg
Minimum Weight *2

30 mg
Linearity *2

±0.2 mg /±0.05 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec. / 8 sec
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Included
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 411(D) x 346(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP225WD-AD

Capacity

220 g / 102g
Minimum display

0.01 mg / 0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg / 0.05 mg
Minimum Weight *2

30 mg
Linearity *2

±0.2 mg /±0.1 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec. / 8 sec
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Included
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 411(D) x 346(H)mm
(power supply unit included)
Weight

Approx. 7.9 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP224W-AD

Capacity

220 g
Minimum display

0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 220.009 g
(200 g)
Repeatability (Standard deviation)

0.1 mg
Minimum Weight *2

200 mg
Linearity *2

±0.2 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Not Available
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 367(D) x 346(H)mm
Weight

Approx. 7.0 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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AP324W-AD

Capacity

320 g
Minimum display

0.1 mg
Calibration Weight

Built-in *1
External Calibration Weight Range for Span Calibration

95 to 320.009 g
(300 g)
Repeatability (Standard deviation)

0.15 mg
Minimum Weight *2

200 mg
Linearity *2

±0.3 mg
Response Time for race Measurements *3

2 sec.
Response Time *4 

2 sec.
USB Host (Type A)

Included
USB Device (Type B)

Included
Recipe Compounding

Included
HPLC Buffer Solution Preparation

Included
mol Conversion Function

Included
Sample (Concentration) Preparation

Included
Inspection Support Function

Included
Clock-CAL

Included
Automatic Doors

Included
Touchless Sensors

Included
Adjustable Internal Windbreak Plate

Not Available
Ionizer

Included
Operating Temperature/Humidity Range

5 to 40°C 20 to 85% *5
Sensitivity Stability Against Temperature Range

±2 ppm/°C (10 to 30°C)
Pan Size

ø91 mm
Body Dimensions

Approx. 215(W) x 367(D) x 346(H)mm
Weight

Approx. 7.0 kg
Display

OEL display (dot matrix)
Input/Output Terminal

RS-232C (D-sub9P plug) USB host (Type A) USB device (Type B) Ionizer
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