Model : 3677 pH, ORP In-line Controller

Description
1/ 8 DIN vertical configuration panel mount pH/ ORP controller/ transmitter with dual SPDT Hi/ Lo relays, manual set points and calibration are via potentiometers. Features a 4-20 mA current output and has an external pH/ ORP select switch. Display is a large LCD. Connectors are a BNC input and spade lug screw type connector blocks. Meter requires a Pt-100 ATC or temp. simulation resistor. Power 115/ 230V AC.
Dual function pH/ ORP
Isolated 4~ 20 mA output
Dual on/ off relays
Auto temperature compensation
1/ 8 DIN vertical package
Large led display
Specifications
pH Range : 0.00 to 14.00 pH
pH Resolution : 0.01 pH
pH Accuracy : 0.1% ± 1 LSD

ORP Range : -1999 to 1999 mV
ORP Resolution : 1 mV
ORP Accuracy : 0.1% ± 1 LSD

Controller Input Range
Relay outputs: Over input span
Current output pH/ ORP: 0.00~ 14.00ph/ ± 1400 mV

Outputs
Relays output ( max) : 5amp. at 115 VAC, 25amp. at 230VAC
Relay hysteresis pH/ ORP: ± 0.1ph/ ± 10 mV
Isolated 4~ 20 mA output range: Over input span
Accuracy: 0.1% of span
Isolation voltage: 500 VDC maximum
Load resistance: 500 ohm maximum

General
Input impedance: > = 10exp( 13) ohms
Temperature compensation: Auto 0 to 100° C
Temperature sensor: Pt-100, a= 0.00385
Display: 12.7 mm high LCD
Power: 115 VAC, 230 VAC ± 15% , 50/ 60hz
Cutout size: 45 x 92 mm
Weight: 600 gm
Dimension: 48 x 96 x 115 mm