Hanna HI8720 ORP 监测分析控制器（+/- 1999 mV）

mV
mV Range: ±1999 mV
mV Resolution: 1 mV
mV Accuracy: ±5 mV; ±0.5% (input from transmitter)
mV (ORP) Calibration: offset: ±200 mV with CAL trimmer;
Process Control Meter
Alarm Relay Set Point: 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Alarm Relay Range: 10 to 300 mV
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
Voltage Output: ±5 Vcc; 150 mA max load for amplified electrodes
Enclosure: flame retardant ABS body and front panel; transparent splash-proof front cover
Panel Cutout: 141 x 69 mm (5.6 x 2.7’’)
Recorder Output: 0-20 mA or 4-20 mA (isolated)
Set Point : 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected); range:±1999 mV
Power Supply: 115 VAC ±10%; 50/60 Hz
Environment: -10 to 50°C (14 to 122°F); RH max 95% non-condensing
Weight : 1 kg (2.2 lb.)
HI8720 is supplied complete with mounting brackets and instructions

Manual