Pocket Testers
Pocket Testers
Charlton Scientific supplies a range of water resistant/waterproof testers, covering various parameters.
For example:

Combi - Low Range & High Range Testers
Combi - Low Range & High Range Testers
HI-98129 Pocket EC/TDS and pH Tester, Low Range
HI-98130 Pocket EC/TDS and pH Tester, High Range
Water resistant tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter.
Supplied with
• HI 73127 pH electrode
• HI 73128 electrode removal tool
• Batteries
• Instructions

pH & Temp - pHep4
pH & Temp - pHep4
HI-98127 Pocket pHep4 Water Resistant pH Tester
Water resistant, accurate and portable, this handy little pocket meter is a true go anywhere pH tester with replaceable electrode.
The HI-98127 has a dual LCD screen that displays pH and temperature readings simultaneously. The exposed temperature sensor provides fast response time and the replaceable pH electrode helps to prolong the life of the meter.
This pocket pH tester is easy to use with a two button operation and offers 0.01 pH resolution and +/- 0.05 pH accuracy.

Conductivity, TDS & Temp - Low Range & High Range Testers
Conductivity, TDS & Temp - Low Range & High Range Testers
HI-98311 EC, TDS and Temperature Tester, Low Range
HI-98312 EC, TDS and Temperature Tester, High Range
With an impressive range of features, the HI-98311 & HI-98312 pocket testers are unmatched in the marketplace for EC/TDS and temperature measurement.
Designed for ease of use with a floating, waterproof case and offer the following features:
• Measurement of conductivity (EC) and total dissolved solids (TDS)
• Automatic calibration and temperature compensation
• Replaceable electrodes