OR 3321

A Product by Orlab
OverviewSpecificationsResources

Conductivity, resistivity, temperature in-line controller. 1/8 DIN, RoHS compliant, with 2 sets of programmable on/off relays and backlight. Extremely price competitive.


  • Easy to install 1/8 DIN plastic casing.
  • Clear LCD displays conductivity, resistivity or temperature with backlight.
  • Universal power supply input from 100 ~ 240 VAC.
  • Automatic or manual temperature compensation.
  • Two sets of programmable on/off relays for conductivity or resistivity.
  • RoHS, CE compliant.
Conductivity / Resistivity Range K=0.01-1 cm Range 1 0.000 to 1.999 uS/cm / 0.00 to 19.99 MΩ
Conductivity / Resistivity Resolution K=0.01-1 cm Range 1 0.001 uS/cm / 0.01 MΩ
Conductivity / Resistivity Accuracy K=0.01-1 cm Range 1±0.5% F.S. ±1 digit
Conductivity / Resistivity Range K=0.01-1 cm Range 20.00 to 19.99 uS/cm / 0.000 to 1.999 MΩ
Conductivity / Resistivity Resolution K=0.01-1 cm Range 20.01 uS/cm / 0.001 MΩ
Conductivity / Resistivity Accuracy K=0.01-1 cm Range 2±0.5% F.S. ±1 digit
Conductivity Range K=0.1-1 cm Range 10.00 to 19.99 uS/cm
Conductivity Resolution K=0.1-1 cm Range 10.01 uS/cm
Conductivity Accuracy K=0.1-1 cm Range 1±0.5% F.S. ±1 digit
Conductivity Range K=0.1-1 cm Range 20.0 to 199.9 uS/cm
Conductivity Resolution K=0.1-1 cm Range 20.1 uS/cm
Conductivity Accuracy K=0.1-1 cm Range 2±0.5% F.S. ±1 digit
Conductivity Range K=1.0-1 cm Range 10.0 to 199.9 uS/cm
Conductivity Resolution K=1.0-1 cm Range 10.1 uS/cm
Conductivity Accuracy K=1.0-1 cm Range 1±0.5% F.S. ±1 digit
Conductivity Range K=1.0-1 cm Range 20 to 1999 uS/cm
Conductivity Resolution K=1.0-1 cm Range 21 uS/cm
Conductivity Accuracy K=1.0-1 cm Range 2±0.5% F.S. ±1 digit
Conductivity Range K=1.0-1 cm Range 30.00 to 19.99 mS/cm
Conductivity Resolution K=1.0-1 cm Range 30.01 mS/cm
Conductivity Accuracy K=1.0-1 cm Range 3±0.5% F.S. ±1 digit
Temperature Range-10.0 to 120.0 °C
Temperature Resolution0.1 °C
Temperature Accuracy±0.3 °C
Temperature CompensationManual/Auto -10.0 ~ 120.0 °C (Thermistor,10K ohm at 25.0 °C)
Cell Constant0.01, 0.1, 1.0-1 cm,2 wire
Reference Temperature25.0 °C, factory set
Temperature Coefficient2.00 or 0.00 %, user selectable
Control Type/Relay Output2 ON/OFF controls / 5 A at 115 VAC or 2.5 A at 220 VAC, resistive load only
DisplayLCD with backlighting
Power100 to 240 VAC at 50/60 Hz
Ambient Temperature RangeFrom 0 to 50 °C
Case1/8 DIN case, 90mm depth
Resources