HANNA HI8510 Panel Mounted pH Analog Indicator with Self-diagnostic test (0.00~14.00 pH/0.01 pH )

Range 0.00 to 14.00 pH
Resolution 0.01 pH
Accuracy@ 20 °C ±0.02 pH (0 to 100 °C)
±0.05 pH (-20 to 0 °C)
±0.5% (input transmitter)
Input high impedance: 1012 Ohm; reference and matching pin inputs are available; 4-20 mA
Power Output: ±5 Vcc; 150 mA max load for amplified electrodes
Calibration offset: ±2 pH with OFFSET trimmer
slope: 80 to 110% with SLOPE trimmer
Temperature
Compensation: fixed or automatic with Pt100, from -20 to 100°C (-4 to 212°F)
Recorder Output : 0-20 mA or 4-20 mA (isolated)
Backlight continuous on
Power Supply: 115 VAC ±10% or 230 VAC ±10%; 50/60 Hz
Enclosure flame retardant ABS body and front panel; transparent splash-proof front cover
Environment: -10 to 50°C (14 to 122°F); RH max 95% non-condensing
Panel Cutout: 141 x 69 mm 
Weight: 1 kg (2.2 lb.)