11
SPECIFICATIONS
Specification subject to change without notice.
pH mode
Range
-2.00 to 19.99
Resolution
0.001/0.01/0.1 (selectable)
Slope range
45 to 65 mV/decade at 25 °C
ISE mode
Range
0.000 to 19900
Resolution
Auto-ranging
Millivolt mode
Range
-2000 to 2000 mV
Resolution
0.1 mV
Accuracy
±0.2 mV or ±0.05% of reading,
whichever is greater
Temperature mode
Range
-10.0 to 110 °C (can also display °F)
Resolution
0.1 °C
Accuracy
±0.3 °C from 0–70 °C
±1.0 °C from 70–110 °C
Display: Custom LCD
Inputs: 2 BNC; two 5-pin Hach pH/temperature or Hach
temperature probe; 2 pin-tip; (one combination input type for
each of the two channels or two half-cells per channel).
Outputs: Two-way RS232
Power Requirements: 6–9 VDC provided by 120 V 50/60 Hz or
230 V, 50 Hz external power supply or a customer-provided
supply with 50 mA output, 5.5-mm power plug with a 2.5 mm
center post opening.
Installation Category: II (for external power supplies)
Input Impedance: >10
12
ohms
Instrument Drift: <40 µV/°C
Input Bias Current: <±1 picoamp at 25 °C; <±4 picoamp over
full range
