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HANNA - pH Analog Controller (HI8711)

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Brand	HANNA
Model	HI8711
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
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	2, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected); range: alk. set: from 0.00 to 14.00 pH; acid set: from 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

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SKU: T/E/pHC/HNN/014/001

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Brand	HANNA
Model	HI8711
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
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	2, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected); range: alk. set: from 0.00 to 14.00 pH; acid set: from 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

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