Accurate, On-the-go Solutions for Water Analysis

Thermo Scientific™ Pocket Testers are ideal for on-the-go electrochemical testing. Choose from 8 models to measure pH, ORP, conductivity, total dissolved solids (TDS) salinity and temperature. Elite Pocket Testers offer a selection of sensor designs for your application, while Expert Pocket Testers offer budget-friendly options.


Elite-Pocket-Tester

Elite Pocket Testers are ideal for testing beverages including homebrew beer and wine, food, hydroponics, aquaculture and aquariums, environmental monitoring and more.

Expert pocket testers

Expert Pocket testers are budget-friendly options ideal for testing drinking water quality, environmental monitoring, hydroponics, aquaculture and aquariums, spas and more.


Elite Pocket Testers

Thermo Scientific™ Elite Pocket Testers offer flexible on-the-go electrochemical testing. Choose from six models to measure pH, ORP, conductivity, total dissolved solids (TDS), salinity and temperature with assorted sensor designs for your application. Elite pocket testers are durable, with a large backlit screen, one-touch calibration and replaceable sensor heads.

  • Flexible testing options
  • Large backlit graphic display
  • Uses 4 x AAA alkaline batteries
  • Average 150-250 hours of battery life
  • Wide leakproof cap serves as stable base
  • Replaceable sensors
  • One-year warranty for tester

All units come packaged with a replaceable sensor, soft carry case (excluding the pH spear tester), lanyard, clear sample/storage cap, and AAA batteries

Elite-pH-Pocket-Tester

Supported parameters:

  • pH
  • Temperature
Elite-PCTS-Pocket-Tester

Supported parameters:

  • pH
  • Conductivity
  • TDS
  • Salinity
  • Temperature
Elite-pH-Spear-Tester

Supported parameters:

  • pH
  • Temperature (manual input)
Elite-CTS-Pin-Tester

Supported parameters:

  • Conductivity
  • TDS
  • Salinity
  • Temperature
Elite-CTS-Cup-Tester

Supported parameters:

  • Conductivity
  • TDS
  • Salinity
  • Temperature
Elite-ORP-Pocket-Tester

Supported parameters:

  • ORP
  • Temperature (manual input)
 RangeResolutionRelative AccuracyCalibration PtsTemperature Compensation
pH
-1.00 to 15.00pH0.01pH
±0.02pHUp to 3Yes
Conductivity0.00 to 20.00 mS/cm0.1 μS/cm: 0.0 to 200.0 μS/cm

1 μS/cm: 200 to 2000 μS/cm

0.01 mS/cm: 2.00 to 20.00 mS/cm
±1% full scaleUp to 3Yes, linear with adjustable temp. coefficient (0.0% to 10.0%)
TDS
0.00 to 10.00 ppt
(depending on TDS factor)
0.1 ppm: 0.0 to 100.0 ppm

1 ppm: 100 to 1000 ppm

0.01 ppt: 0.10 to 10.00 ppt
±1% full scaleUp to 3Yes, linear
Salinity0.00 to 10.00 ppt0.10 ppt±1% full scale1Yes, per practical salinity curve
ORP-1000 to 1000 mV±1 mV±3mV1NA
Temperature0 to 60.0°C

32.0 to 140.0ºF
0.1ºC / 0.1ºF±0.6°C, ±1.0°F: 0.0 to 50.0°C

±1.1°C, ±1.9°F: 50.1 to 60.0°C
1
Automatic temperature input for pH, CTS and PCTS testers

Manual temperature input for ORP and Spear testers

Expert Pocket Testers

EXPERTPH Front View-200x150

Supported parameters:

  • pH
  • Temperature
EXPERTCTS Front View-200x150

Supported parameters:

  • Conductivity
  • TDS
  • Salinity
  • Temperature
 RangeResolutionRelative AccuracyCalibration PtsTemperature Compensation
pH
0.0 to 14.0 pH0.1 pH
±0.1 pH1 to 3Yes
Conductivity0.00 to 20.00 mS/cm10 μS/cm: 0 to 1990 μS/cm

0.10 mS/cm: 2.00 to 20.0 mS
±2% full scale1
Yes, linear
TDS
0.00 to 20.00 ppt
10 ppm: 0 to 1990 ppm

0.10 ppt: 2.00 to 20.0 ppt
±2% full scale1Yes, linear
Salinity0.0 to 10.0 ppt0.1 ppt
±2% full scale1Yes, per practical salinity curve
Temperature0-50.0°C

32.0-122.0ºF
0.1ºC / 0.1ºF±0.6°C, ±1.0°F1
Automatic temperature input