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LED pH/ORP Indicator/Controller

• Compact 1/8 DIN size
• Dual set point control
• Surprisingly inexpensive
• Automatic temperature compensation

The Model 3671 is an economically priced, panel mount pH/ORP monitor/controller. It is ideal for simple on-off control. It features (ATC) automatic temperature compensation, high and low over-range lights, analog recorder output and a large, red 0.5" LED readout. Adjust calibration, slope and set-points via the recessed front panel potentiometers. Press the front-mounted push buttons to display current process value, high or low set points or temperature. An internal switch lets you select operating mode (pH or ORP). The 8 amp capacity relay contact (at 115 VAC) allows you to control pumps, solenoid valves, etc. Price of the 3671KB kit includes controller, BNC glass-bodied pH electrode, ATC/Temp probe and manual.

Specifications

• pH Range: 0.0 to 14.0
• mV Range: ±1999
• Temp Range: 0-100° C
• pH Resolution: 0.1
• mV Resolution: 10
• Temp Resolution: 1° C
• pH Accuracy: 0.1 ±1 digit
• mV Accuracy: ± 0.1% ±1 digit
• Temp Accuracy: 1° C ±1 digit
• Temp Compensation: Automatic from 0-100° C
• Recorder Output: pH: 1400 mV; mV: ±1999; Temp: 1000 mV
• Dead Band: ±0.1 pH for each set point
• Relay Band: One SPDT relay rated for 8 amps at 115 VAC or 4 amps at 230 VAC
• Power: 115/230 VAC, ±15%; 50/60 Hz
• Size: 3.8" x 1.9" x 6.8"
• Weight: 1.5 lbs.