AB250 Meter Only

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB250 pH/ISE meter provides flexible measurements of pH or ion concentration using an ion selective electrode (ISE) in one easy to use, reliable measurement system.

• Graphic backlit display with date and time, stability indicator and alarms
• 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
• Two to six point ISE calibration with 0.001 ppm, mg/L or molar resolution
• 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

• 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
• ISE Range: 0.001 to 19999 ppm, mg/L or molar
• ISE Resolution: 0.001, 0.01, 0.1, 1 (automatic)
• ISE Accuracy: 0.5 % full scale (monovalent ion), 1 % full scale (divalent ion)
• mV Range: ±2000.0mV
• mV Resolution: 0.1mV
• mV Accuracy: ±0.2mV or ±0.05 %, whichever is greater
• mV Offset Adjustment: Up to ±150mV
• 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, ground
• Power Requirements: 100 to 240VAC, 50/60Hz