World’s most advanced ORP/temperature pocket tester, date & time stamp and 50 memory data points.

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VisionPlus ORP628N is a very powerful ORP tester with temperature readout, IP67 rated body, 50 memory storage and replaceable ORP electrode module.

  • Clear graphic LCD displays ORP and temperature at the same time
  • Replaceable electrode module ensures extended usefulness
  • IP67 water-proof, dust-proof body
  • Battery life over 300 hours
  • 50 memory storage of both ORP and temperature readings with memory location ID and date and time stamp
  • Low battery indicator
  • RoHS compliant


ORP Range
-1100 to 1100 mV
ORP Resolution
1 mV
ORP Accuracy
±1 mV ± 1 digit
Temperature Range
-10.0 °C to 100.0 °C ; 14.0 °C to 212.0 °F
Temperature Resolution
0.1 °C ; 0.2 °F
Temperature Accuracy
±0.3 °C ; ±0.6 °F
Relative ORP Calibration Range
User programmable from –999 to 999 mV
Ambient Temperature Range
0.0 to 50.0 °C
98 x 64 graphical LCD
LR44 x 4 batteries
Memory Storage:
50 sets with date/time ID stamp
Battery Life
>300 hours
Auto Power Off
After 10 minutes of inactivity
IP-67 water-proof, dust-proof body
105 grams (Including batteries)
Dimensions ( W x D x H )
193 x 44 x 25 mm

Documentation and Supports