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JENCO INSTRUMENTS was established more than 40 years ago on the idea that innovative water quality instruments should be available at competitive prices and their mission is to bring innovation to anyone who works with analytical instruments.

Since the launching of the world's first portable digital pH meter in 1975, Jenco Instruments has continued to focus only on building water quality instruments for measuring pH, ORP, conductivity, TDS, salinity, resistivity, dissolved oxygen, ion, turbidity and temperature. 

This single minded-focus is combined with Jenco's obsession with finding the best balance between quality and value - whether it is the simplest testers or the most advanced, gesture-operated, WIFI-enabled benchtop meters.   

pH/ORP Industrial Online Controller


pH/ORP Industrial Online Controller


Features :
  • Clear LCD displays pH or mV, with temperature and relay status simultaneously
  • Automatic buffer recognition of US and NIST buffer sets. Calibration data is stored in memory and is ready for use on power up
  • Displays absolute and relative ORP
  • Isolated and reversible 4-20 mA current output for pH or ORP allows it to be used as a proportional output
  • 2 programmable on/off relays: 2 for pH or ORP
  • CE Approved
  • Password protection
  • IP65


Range : 

pH : -2.00~16.00pH
mV (absolute / relative) : -2500~+2500mV / -6499~+6499mV 
Temperature : -10.0~120.0°C

Resolution :

pH : 0.01pH
mV (absolute / relative) : 1mV / 1mV 
Temperature : 0.1°C

Accuracy :

pH : ±0.1% ±1 digit
mV (absolute / relative) : ±0.1% ±1 digit
Temperature : ±0.2°C

pH Buffer Recognition : US (4.01, 7.00, 10.01) or NIST (4.00, 6.86, 9.18), user selectable
pH Electrode Offset Recognition : ±100mV at pH 7.00 / -91.7mV to +108.3mV at pH 6.86
pH Electrode Slope Recognition : ±30% at pH 4.00, 4.01, 9.18 or 10.01
Temperature Compensation : Auto, -10.0~120.0°C (Thermistor, 10KΩ / Resistor, Balco 3KΩ at / RTD, PT-1000)
Input Impedance : >10^13Ω
Input Select : User selectable pH or ORP 
Current Output Range : 4 to 20mA (isolated), programmable span
Current Output Scale : User programmable, linear or log
Maximum Load : 500Ω
Isolation Voltage : 500V DC
Control Type / Relay Output : 2 ON/OFF controls
Relay Output : 5A at 115V AC or 2.5A at 220V AC, resistive load only
Security : 4-digit password
Power : 115V AC or 230V AC at 50/60Hz
Ambient Temperature Range : From 0~50°C
Weight / Case : 940 grams / IP65, 1/4 DIN case, 148mm depth 

Accessories : 

IP-600-10 : For wastewater (pH, glass body, PPS housing, NPT3/4'' thread, 20m cable)
IP-600-9 TH : For wastewater (pH, glass body, PPS housing, NPT3/4'' thread, 5m cable, with 10K thermistor)
IR-500-8 : For wastewater (ORP, glass body, PPS housing, NPT3/4'' thread, 5m cable)
009A : Protective submersion housing 
012-200-00 : Waterproof enclosure 


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