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Fisher Scientific™ accumet™ AB200 pH/Conductivity Benchtop Meters Available on GSA/VA Contract for Federal Government customers only.

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisher Scientific accumet AB200 pH/conductivity meter combines the benefits of a pH meter and conductivity meter in one easy to use, reliable measurement system. The large backlit display offers great visibility in laboratory environments.

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Catalog No. 13-636-AB200A

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Includes: accumet AB200 pH benchtop meter, electrode stand, RS232 and USB cables, 100/240V universal power supply



  • Graphic backlit display with date and time, stability indicator and alarms
  • Dual channel meter for pH and conductivity measurements
  • One to six point pH calibration with 0.001 pH resolution
  • Automatic buffer recognition with four pH buffer sets or custom buffer option
  • pH slope and offset display
  • Conductivity, TDS (total dissolved solids), salinity and resistivity modes
  • Automatic or manual temperature compensation, displayed in °C or °F
  • Password protection of calibration and setup modes
  • 500 data set storage
  • RS232 and USB interfaces
  • Multilanguage interface with English, German, Chinese, French, Italian and Spanish
  • Optional stirring probe (Cat. No. 13-620-BSP) with five speed settings
NIST-Traceable Calibration Model (-CERT)
  • Help meet ISO, FDA, USDA and EPA quality assurance guidelines
  • Includes meter accuracy at five test points across pH range
  • Includes meter accuracy at five test points across corresponding mV range
  • Testing performed by accredited laboratory, includes NIST-Traceable certificate
pH Range: -2.000 to 20.000 pH
pH Resolution: 0.1, 0.01, 0.001 pH
pH Accuracy: ±0.002 pH
mV Range: ±2000.0mV
mV Resolution: 0.1mV
mV Accuracy: ±0.2mV or ±0.05 %, whichever is greater
mV Offset Adjustment: Up to ±150mV
Conductivity Range: 0.00µS to 500.0mS
Conductivity Resolution: 0.01, 0.1µS; 0.001, 0.01, 0.1mS
Conductivity Accuracy: ±1 % full scale
TDS Range: 0.00ppm to 500 ppt (TDS factor 1.00)
TDS Resolution: 0.01, 0.1 ppm; 0.001, 0.01, 0.1 ppt
TDS Accuracy: ±1 % full scale
Salinity Range: 0 to 80.0 ppt
Salinity Resolution: 0.01, 0.1 ppm; 0.001, 0.01, 0.1 ppt
Salinity Accuracy: ±1 % full scale
Resistivity Range: 2.000 Ohm to 20.0 MOhm
Resistivity Resolution: 0.01, 0.1 Ohm; 0.001, 0.1 kOhm; 0.01 MOhm
Resistivity Accuracy: ±1 % full scale
Temperature Range: 0° to 100°C (32° to 212.0°F)
Temperature Resolution: 0.1°C (0.1°F)
Temperature Accuracy: ±0.3°C (±0.5°F)
Calibration Points: 1 to 6 points with automatic buffer recognition (ABR)
ATC Temperature Calibration: Offset in 0.1°C increments; Offset range: ±5°C (±9°F)
Self-Test: Yes
Inputs: BNC, mini-phone ATC, 8 Pin DIN, ground
Power Requirements: 100 to 240VAC, 50/60Hz
Academic, research, QA/QC, drinking water, wastewater, food, beverage, industrial


CE, TUV 3-1, FCC Class A


3 years on meter

Description & Specifications


3 Years
-2 to 20
0μS to 500mS
±1% FS
0/0.1ppm, 001/01/0.1ppt
0 to 80ppt
±1 % full scale
0.01/0.1W, 0.001/0.1kW, 0.01MW
0.010 to 10.000
Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Manual, timed (selectable every 3 to 3600 sec.), printer or CSV format
Without NIST-traceable pH Certificate
AB200 pH/Conductivity Meter Only
Meter, Electrode Arm, RS-232 and USB Cables, 100/240V Power Supply
0.01/0.1μS, 0.001/0.01/0.1mS
0ppm to 500ppt (at TDS factor 1)
±1 % full scale
0.01/0.1ppm, 0.001/0.01/0.1ppt
2W to 20MW
±1 % full scale
Up to 6 pre-set or 5 custom
RS232 (phono plug), mini-B USB, stirrer
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