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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 pH619

pH/Temp Pocket Tester


Features :
  • Graphical LCD provides on-screen menu selection for manual-free, easy operation
  • On-screen messaging displays useful information such as meter status, buffer selection and operation modes. No more guess work involving cryptic indicators or flashing digits
  • 4-button keypad provides intuitive operation with separate buttons for data hold, calibration, data memory storage and memory retrieval
  • IP67 rated, water-proof dust-proof body
  • Glass bulb electrode exposes more measuring surface to solution for fast response time
  • Surface mounted temperature element improves temperature accuracy and response time
  • Clear LCD displays pH and temperature at the same time, along with meter status, calibrated buffers, status, date and time
  • Large temperature range for wide range of applications
  • 1,2, or 3 point calibration, with automatic buffer recognition of us and nist buffer sets
  • Calibration data is stored in memory, ready for use on power up, even when batteries are removed
  • Readings are automatically compensated for temperature (ATC)
  • Data hold for convenient reading
  • Watertight case is ideal for rugged use. protective cover for pH electrode is included
  • Replaceable electrode module ensures extended usefulness
  • Belt clip which also attaches to neck strap
  • 1 year warranty


Range :

pH : 0.00~14.00 pH
Temp (factory set) : 0.0~99.9°C / 32.0~211.8°F

Resolution :

pH : 0.01pH
Temp (factory set) : 0.1°C / 0.1°F

Accuracy :

pH : ±0.02pH ±1 digit
Temp (factory set) : ±0.3°C / ±0.6°F

pH Temperature Compensation : 0.0~99.9°C
pH Buffer Compensation : US (pH 4.01, 7.00, 10.01) or NIST (pH 4.00, 6.86, 9.18)
Buffer Temp Range : 0~60°C
pH Calibration : 1, 2 or 3 point calibration 
pH Electrode Offset Recognition : ±90mV at pH 7.00 / ±98.3mV to -81.7mV at pH 6.86
pH Electrode Slope Recognition : ±30% at pH 4.00, 4.01, 9.18 / 10.01
Input Impedance : >10^13Ω
Display : 98 x 64 graphical 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

Accessories :

618P : pH electrode module


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