Environmental & Scientific Instruments Co.
Environmental & Scientific Instruments Co.


Contact Us

Plot – 123, Industrial Area, Phase – II, Industrial Area Phase 2, Panchkula, Haryana - 134113, India

Mobile : +91-9216626616

Phone : +91-172-5033251

Fax : +91-172-2591407

Digital pH Meter - 133, 132 & 131 (Handheld)

Designed in ABS Plastic to provide the rugged portability matched in fields with the accuracy demanded in the laboratory. A beautiful carrying case holds every thing needed in the field operation. These are useful test instruments to measure pH of any solution in the fields, laboratory or plant, pH meter with chargeable battery, ATC (in Model  132 only) and auto power cut off is also available (in Model  132 & 133)


  • ABS Plastic Body
  • 3 ½ digit LCD display
  • Rugged Portability
  • pH measurements
  • Auto Power Off (in Model-133 only)
  • Auto Temperature Compensation (in Model-132 & 133)


Type PH Meter
Certification CE Certified
Color Multi Colour
Usage Indsustrial Usage
Display Type Digital
Automatic Grade Automatic
Power Source Electric
Features Accuracy, Durable
Brand Name EI
Range 0 – 14 pH
Resolution 0.01 pH
Sensor Combination pH Electrode
Accuracy 0.01pH
Display 3 ½ Digit LCD
Battery 9V DC
Dimensions (L x B x H) 180 x 85 x 30 mm (Approx.)

Additional Information

Product Code 131-132


Model Digital pH Meter - 131 Digital pH Meter - 132 Digital pH Meter - 133
Range 0-14 pH 0-14 pH 0-14 pH
Resolution 0.01pH 0.01pH 0.01pH
Impendence >1012 ohms >1012 ohms >1012 ohms
Sensor Combination pH Electrode Combination pH Electrode Combination pH Electrode
Temp. Compensation Manual (0-100oC) Auto (0-100oC) Auto (0-100oC)
Accuracy 0.01pH 0.01pH 0.01pH
ATC   Temp. Probe 0-100oC Temp. Probe 0-100oC
Display 3 1/2 digit LCD 3 1/2 digit LCD 3 1/2 digit LCD Auto Power Off
Battery 9V DC 9V DC 9V DC
Size 180 x85x30 mm 180 x85x30 mm 180 x85x30 mm

Note : Specifications are subject to change due to continuous improvements.