HANNA HI8711 Analog Controller

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 from 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 
Recorder Output: 0-20 mA or 4-20 mA (isolated)
Setpoint Relay: 2, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Setpoint Range: alk. set: from 0.00 to 14.00 pH; acid set: from 0.00 to 14.00 pH
Alarm Relay: 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Alarm Range: 0.2 to 3.00 pH
Dosing Control: OFF/AUTO/ON with selection switch
Over Dosing Control: adjustable, from 5 min to 60 min with knob or disable by wire strap - on rear panel
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 ; RH max 95% non-condensing
Panel Cutout: 141 x 69 mm 
Weight: 1 kg

Accessories
-Solution
+ HI 7004/1L 4.01 pH Buffer Solution 1 x 1 L bottle
+ HI 7007/1L 7.01 pH Buffer Solution 1 x 1 L bottle
+ HI 7010/1L 10.01 pH Buffer Solution 1 x 1 L bottle
-Accessories
+ HI 8427  pH and mV Precision Simulator
+ HI 931001 pH and mV Precision Simulator