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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/Temp Pocket Tester

VisionPlus pH630

pH/Temp Pocket Tester


Features :

  • Large display screen - displays pH and temperature at the same time
  • 1, 2 or 3 point calibration, dual buffer set  recognition of US and NIST buffer sets
  • Readings are automatically compensated for temperature (ATC)
  • Replaceable electrode module ensures extended usefulness
  • IP67 waterproof housing
  • Battery life over 300 hours
  • Low battery indicator
  • RoHS compliant



    pH : 0.00~14.00pH 

    Temp (factory set) : -9.9~99.9°C / 14.2~99.9°F, 100~212°F


    pH : 0.01pH

    Temp (factory set) : 0.1°C / 0.2°F, 1°F


    pH : ± 0.02pH ±1digit

    Temp (factory set) : ± 0.3°C/ ±0.6°F, ±1°F

pH Temp Compensation :  -9.9°C (14.2°F) to 99.9°C(212°F)

pH Buffer Recognition : US (pH 4.01, 7.00, 10.01) or NIST (pH 4.00, 6.86, 9.18)

Buffer Temp Range:  0 to 60°C

pH Calibration :  1, 2 or 3 point calibration.

pH Electrode Offset Recognition :  ±100mV at pH 7.00 / ±108.3mV to –91.7mV at pH 6.86

pH Electrode Slope Recognition : ±30% at pH 4.00, 4.01, 9.18 / 10.01

Input Impedance :  >10^13Ω

Display : LCD

Power : LR44 x 4 batteries

Battery Life :  >300 hours

Auto Power Off : After 10 minutes of inactivity

Case : IP-67 waterproof

Weight / Dimensions ( W x D x H ):  105 grams (Including batteries) / 193mm x 44mm x 25mm


618P : pH electrode module


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