Budget-friendly, on-the-go pocket testers for your sample analysis
Thermo Scientific pocket testers provide budget-friendly on-the-go electrochemical testing. Choose from three models to measure conductivity, total dissolved solids (TDS), salinity and temperature.
Elite CTS pocket testers
Elite CTS pocket testers are accurate, durable and IP-67 waterproof with a large backlit graphic screen, one-touch calibration and replaceable sensor heads. Select the Elite CTS cup-sensor to read samples using a fillable tester or the Elite CTS pin-sensor to read samples using a direct-insert tester. They are ideal for testing food, beverages, hydroponics, aquaculture, environmental monitoring, cooling towers and more.
- Flexible testing option
- Large, backlit graphic display
- 4 x AAA alkaline batteries
- Average 150 hours of battery life
Expert CTS pocket testers
Expert CTS pocket testers simple to use, economical and sturdy, with a large dual-reading screen, straightforward calibration and 1-year warranty. They are ideal for testing drinking water quality, environmental monitoring, aquariums, pools, spas and more.
- Budget-friendly option
- Large, double line display
- 4 x 1.5V micro alkaline batteries
- Average 75 hours of battery life
Elite CTS Pocket Tester (Cup Sensor) | Elite CTS Pocket Tester (Pin Sensor) | Expert CTS Pocket Tester | |
|---|---|---|---|
| Sensor Type | Cup | Pin | Pin |
| Conductivity Range | 0.00 to 20.00 mS/cm | 0.00 to 20.00 mS/cm | 0.00 to 20.00 mS/cm |
| Conductivity Resolution | 0.1 μS: 0.0 to 200.0 μS/cm | 1 μS: 200 to 2000 μS/cm | 0.01 mS: 2.00 to 20.00 mS/cm | 0.1 μS: 0.0 to 200.0 μS/cm | 1 μS: 200 to 2000 μS/cm | 0.01 mS: 2.00 to 20.00 mS/cm | 10 μS: 0 to 1990 μS/cm | 0.10 mS: 2.00 to 20.00 mS |
| Conductivity Relative Accuracy | ±1% full scale | ±1% full scale | ±2% full scale |
| Conductivity Calibration Points | 1 to 3 | 1 to 3 | 1 |
| Automatic Calibration Standards | Manual or automatic (84 μS/cm, 1413 μS/cm, 12.88 mS/cm) | Manual or automatic (84 μS/cm, 1413 μS/cm, 12.88 mS/cm) | Manual or automatic (84 μS/cm, 1413 μS/cm, 12.88 mS/cm) |
| Automatic Temperature Compensation | Yes, linear with adjustable temp. coefficient (0.0% to 10.0%) | Yes, linear with adjustable temp. coefficient (0.0% to 10.0%) | Yes, linear |
| Reference Temperature | 25 °C | 25 °C | 25 °C |
| TDS Range | 0.00 to 10.00 ppt | 0.00 to 10.00 ppt | 0.00 to 20.00 ppt |
| TDS Resolution | 0.1 ppm: 0.0 to 100.0 ppm | 1 ppm: 100 to 1000 ppm | 0.01 ppt: 0.10 to 10.00 ppt | 0.1 ppm: 0.0 to 100.0 ppm | 1 ppm: 100 to 1000 ppm | 0.01 ppt: 0.10 to 10.00 ppt | 10 ppm: 0 to 1990 ppm | 0.10 ppt: 2.00 to 20.00 ppt |
| TDS Relative Accuracy | ±1% of full scale | ±1% of full scale | ±2% of full scale |
| TDS Factor | 0.40 to 1.00 (selectable) | 0.40 to 1.00 (selectable) | 0.40 to 1.00 (selectable) |
| Automatic Temp. Compensation | Yes, linear | Yes, linear | Yes, linear |
| TDS Calibration Points | 1 to 3 | 1 to 3 | 1 |
| Salinity Range | 0.00 to 10.00 ppt | 0.00 to 10.00 ppt | 0.0 to 10.0 ppt |
| Salinity Resolution | 0.10 ppt | 0.10 ppt | 0.1 ppt |
| Salinity Relative Accuracy | ±1 % of full scale | ±1 % of full scale | ±2 % of full scale |
| Salinity Calibration Point | 1 | 1 | 1 |
| Automatic Temp. Compensation | Yes, per practical salinity curve | Yes, per practical salinity curve | Yes, per practical salinity curve |
| Temperature Range | 0.0 to 60.0°C | 32.0 to 140.0°F | 0.0 to 60.0°C | 32.0 to 140.0°F | 0.0 to 50.0°C | 32.0 to 122.0°F |
| Temperature Resolution | 0.1°C | 0.1°F | 0.1°C, 0.1°F | 0.1°C | 0.1°F |
| Temperature Relative Accuracy | ±0.6°C, ±1.0°F: 0 to 50°C | ±1.1°C, ±1.9°F: 50.1 to 60°C | ±0.6°C, ±1.0°F: 0 to 50°C | ±1.1°C, ±1.9°F: 50.1 to 60°C | ±0.6°C | ±1.0°F |
| Temperature Calibration | Yes | Yes | Yes |
| Display Type | Graphic 4-digit double-line | Graphic 4-digit double-line | 4-digit double-line |
| Backlit Display | Yes | Yes | No |
| Hold Function | Yes | Yes | No |
| Waterproof Rating | IP67 | IP67 | IP67 |
| Auto Shutoff Feature | Yes | Yes | Yes |
| Includes Lanyard | Yes | Yes | No |
| Material | ABS Plastic | ABS Plastic | ABS Plastic |
| Battery Type | 4 x AAA Alkaline | 4 x AAA Alkaline | 4 x 1.5V Micro Alkaline |
| Average Battery Life | 150 hours | 150 hours | 75 hours |
| Warranty | One (1) year | One (1) year | One (1) year |
Dedicated pH testing in water, process, research and QA/QC samples. Select from simple & economical models to powerful & sophisticated meters.
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Quality pH electrodes, standards and solutions are available for a variety of body materials, body styles, fill types, references styles, and functions to meet your needs. |
