Hanna HI8710 单加药控制及诊断功能酸度【pH】测定控制器（0.00~14.00 pH）

pH
pH Range : 0.00 to 14.00 pH
pH Resolution: 0.01 pH
pH Accuracy: ±0.02 pH (0 to 100 °C); ±0.05 pH (-20 to 0 °C); ±0.5% (input from transmitter)
pH Calibration: offset: ±2 pH with OFFSET trimmer; slope: 80 to 110% with SLOPE trimmer
pH Temperature Compensation : fixed or automatic with Pt100, from -20 to 100°C (-4 to 212°F)
pH Input impedence: high impedance 10¹² Ohm; reference and matching pin inputs are available 4-20 mA
Process Control Meter
Alarm Relay Set Point: 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
Alarm Relay 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
Consent Relay: 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected)
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: 0.00 to 14.00 pH
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.)
Ordering Information : The HI8710 is supplied complete with mounting brackets and instructions.