Conductivity Meter / TDS / Salinity
Pocket Conductivity / TDS Meter
Compact, pen style meter measures conductivity and total dissolved solids to determine water quality.
This multi-functional pen type water quality meter measures conductivity and total dissolved solids (TDS) to determine water quality. The unit has a digital readout, auto range recognition, ATC and automatic shut off if idle for 2 minutes. This compact unit weighs just 27 grams, is 6” in length and easily fits into a shirt or lab coat pocket.
- Reads Conductivity, TDS and Temperature (°C/°F)
- Automatic temperature compensation (ATC)
- Pure titanium probe, rust and corrosion resistant
- Exposed stainless steel temperature sensor for wider temperature range, faster response and accuracy
- Water resistant keypad with easy single button operation
Dimensions: 6″ × 1″ × 0.63″ (152.4 × 25.4 × 16 mm)
Weight: .93 oz (26.5 g)
Conductivity Range | 0-9999 µS/cm | Battery | 1.5V x 2 AG13 Button |
TDS Range | 0-9999 ppm | Operating Current | < 1 mA |
Temperature Range | 0-80°C (32-176°F) | Product Weight | 26.5 Grams |
Resolution | 1 ppm, 1µS/cm | Product Size | 6” x 1” x 0.63” |
Accuracy | +/-2% FS |
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Salinity / Temperature Pen with Large LCD Display
Highly stable and accurate readings with large LCD display.
Designed for simple one-hand operation. Simultaneously displays the parameter being measured and temperature in °C or °F. Features automatic temperature compensation, 2-pt. calibration, auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in probe with protective cap. EPA Equivalency Method: 120.1
Dimensions: 6½” × 1½” × 1½” (165 × 38 × 38 mm)
Weight: 2 oz (57 g)
| Range: | Resolution: | Accuracy: | |
| Salinity Pen: | 0 to 10 ppt 10 to 70 ppt | 0.01 ppt 0.1 ppt | 1% FS + 1 d |
Temperature: | -32 to 122 ºF 0 to 50 ºC | 0.1º | ±2 ºF ±1 ºC |
Waterproof Conductivity Meter (Pen Style)
Highly stable and accurate readings with a large LCD display.
Designed for simple one-hand operation. Simultaneously displays the parameter being measured and temperature in °C or °F. Features automatic temperature compensation, 2-pt. calibration, auto power off, hold function, and a low battery indicator.
The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in probe with protective cap. EPA Equivalency Method: 120.1
Dimensions: 6½” × 1½” × 1½” (165 × 38 × 38 mm)
Weight: 2 oz (57 g)
| Range | Resolution | Accuracy | |
| Conductivity Pen | 0 to 1999 μS 0 to 19.99 mS | 1 μS 0.01 mS | 1% FS + 1 d |
| Temperature | -32 to 122 ºF -0 to 50 ºC | 0.1º | ±2 ºF |
Salinity Cond. Pens Instruction manual
Pure Water Meter
Measures conductivity (in a wide range of 0.1 μS to 199 mS), salinity, TDS (total dissolved solids), and temperature.
Determine water conditions in boilers, coolers, water conditioning, waste water, photography, environmental testing, aquariums, labs, industrial and quality control. The large LCD shows conductivity, TDS or salinity in large digits with time, date, and temperature (in °C or °F) shown simultaneously on the lower display. Scroll 99 data points directly on the LCD with time stamps, min/max and average readings. Also features hold, manual or auto range, and ATC (automatic temperature compensation).
In order to connect this model to a computer to stream data, you will need the USB Cable #840054 and Data Acquisition Software #840052.
Comes complete with:
- Hard carrying case
- Built in RS232 and DC9V ports
- Detachable probe with 3½’ cord
- 4 AAA batteries
Uses optional AC Adapter #840027
EPA Equivalency Method: 120.1
Dimensions: 6¾” × 2¾” × 1¼” (171 × 70 × 32 mm)
Weight: 6.5 oz (185 g)
| Unit of Measure: | Range: | Resolution: | Accuracy: |
| Conductivity μS/cm: | 0 to 19.9 0 to 199.9 0 to 1999 | 0.01 0.1 1 | ±1% FS + 1d |
| Conductivity mS/cm: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| TDS ppm: | 0 to 19.99 0 to 199.9 0 to 1999 | 0.01 0.1 1 | |
| TDS ppt: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| Salinity ppt: | 2 to 42 ppt | For conductivity and TDS reference only | |
| Temperature ºF: | 32 to 176 ºF | 0.1 ºF | ± 1 ºF <122 ºF ± 2 ºF >122 ºF |
| Temperature ºC: | 0 to 80 ºC | 0.1 ºC | ± 0.6 ºC <50 ºC ± 1.0 ºC >50 ºC |
Water Quality Meter Kit
Interchangeable plug and play probes let this versatile meter read pH, mV, ORP, conductivity, salinity, TDS, DO and temperature.
Order probes only for parameters currently required, and add additional probes in the future. The back-lit display simultaneously reads temperature in user selectable °C & °F. All measurements are automatically temperature compensated. DO measurements can be compensated for salinity, while Oxygen in Air (O2) can be compensated for altitude.
Automatic calibration recognition of pH buffers 4, 7 and 10. Also features auto power off, hold, min/max, fold-out easel back and a tripod screw. Comes with 9V battery and hard-shell, foam-lined carrying case with room for one or two probes (not included). EPA Equivalency Method: 360.1 and Alpha Method 2580.1992.
Meter Dimensions: 7″ × 2¾ × 2″ (177 × 68 × 45 mm)
Water Quality Meter pH Kit – Item #850086
Includes everything needed for immediate field use as a pH meter:
- Water Quality Meter #850081
- pH Probe #840016
- ATC Temperature Probe #840038
- pH buffers 4, 7 & 10
- De-ionized water
- 9V battery
- Instructions
- Hard Shell Foam-lined Carrying Case
Kit Dimensions: 11″ × 9½” × 2″ (279 × 241 × 51 mm)
| Display: | 15mm (0.6”) Digit Size |
| pH Calibration: | pH 7, pH 4 & pH 10 |
| Operating Temperature: | 0°C to 50°C (32°F to 122°F) |
| Operating Humidity: | Max 80% RH |
| Sampling Time: | Approximately 0.8 seconds. |
| Power Supply: | 006P DC 9V battery (Alkaline or heavy duty) |
| Unit of Measure: | Range: | Resolution: | Accuracy: | |
| pH & ORP BNC connector: (meter only) | pH | 0 to 14 | 0.01 | ± (0.02PH + 2d) |
| mV | 0 to 1999 | 1 | ± (0.5% + 2d) |
| Probes Specs. For meter only, probe specs may vary | ||||
| Item | Unit of Measurement | Range | Resolution | Accuracy |
| pH Probe 840016 (BNC connector) | pH | 0 to 14 | 0.01 | ±(0.02pH+2d) |
| Spear Tip pH Probe 840049 (for non-liquid measurement, BNC connector) | pH | 1 to 13 | 0.01 | ±(0.02pH+2d) |
| Flat Surface pH Probe 840051 (BNC connector) | pH | 1 to 13 | 0.01 | ±(0.02pH+2d) |
| ORP Probe 850088 | mV | 0 to 1999 | 1 | ±(0.5%+2d) |
| ATC Temperature Probe 840038 (for use with pH) | Temperature °F | 32 to 40 | 0.01 | ±1.5 |
| Temperature °C | 0 to 60 | ±0.8 | ||
| ATC Conductivity / TDS / Salinity Probe 850081C/TD | µS | 0 to 200 | 0.1 | ±(2% fs + 1 d) |
| mS | 0.2 to 2.000 | 0.001 | ||
| 2 to 20 | 0.01 | |||
| 20 to 200 | 0.1 | |||
| PPM | 0 to 132 | 0.1 | ||
| 132 to 1,320 | 1 | |||
| 1,320 to 13,200 | 10 | |||
| 13,200 to 132,000 | 100 | |||
| % Salinity | 0 to 12 | 0.01 | 0.5% | |
| Pt Glass Low Conductivity Probe 850081C/SG | µS | 0 to 200 | 0.1 | ±(2% fs + 1 d) |
| ATC DO Probe 850081DO | DO | 0 to 20 mg/L | 0.1 | ±0.4 |
| O2 in Air | 0 to 100.0% | ±0.7 | ||
| Temperature °F | 32 to 122 | ±0.8 | ||
| Temperature °C | 0 to 50 | ±1.5 | ||
Benchtop Conductivity Meter
Rugged housing with large LCD displays the parameter being
measured together with time, date and temperature (in ºC or ºF). Operates on AC voltage (no batteries). Comes ready to use with ATC conductivity electrode, electrode holder arm, AC adaptor, computer cable and software.
- Automatic or manual temperature compensation
- Automatic or manual ranging
- N.I.S.T. buffer recognition
- Digital and analog outputs
- Min/Max and 99 data points
- Data Hold
- 5 calibration points on Conductivity and TDS (total dissolved solids) and 2 for Salinity
- Electrode status indication
Dimensions: 8½” x 7” x 2¼” (216 x 178 x 57 mm)
Dimensions with Holder Arm: 10” x 8” x 9” (254 x 203 x 229 mm)
Weight: 18.7 oz (530 g)
| Unit of Measure: | Range: | Resolution: | Accuracy: |
| Conductivity μS/cm: | 0 to 19.9 0 to 199.9 0 to 1999 | 0.01 0.1 1 | ±1% FS + 1d |
| Conductivity mS/cm: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| TDS ppm: | 0 to 19.99 0 to 199.9 0 to 1999 | 0.01 0.1 1 | |
| TDS ppt: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| Salinity ppt: | 0 to 11.38 0 to 80 | 0.01 0.1 | 1%FS + 1 digit |
| Temperature ºF: | 23 to 176ºF | 0.1ºF | ±0.9ºF |
| Temperature ºC: | -5 to 80ºC | 0.1ºC | ±0.5ºC |
Benchtop Water Quality Meter
Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity and temperature
Rugged housing with large LCD displaying the parameter being measured together with time, date and temperature (in °C or °F). Operates on AC voltage (no batteries). Comes ready to use with ATC conductivity and pH electrodes, multiple electrodes holder arm, AC adaptor, computer cable, and software. Also accepts any pH or ORP probe with a standard BNC connector. EPA Equivalency Method: 120.1 and Alpha Method 2580.1992.
- Automatic or manual temperature compensatio
- Automatic or manual ranging
- N.I.S.T. buffer recognition
- Digital and analog outputs
- Min/Max and 99 data points
- Data Hold
- 5 calibration points
- Electrode status indication
Dimensions: 8½” × 7″ × 2¼” (216 × 178 × 57 mm)
Dimensions with Holder Arm: 10″ × 8″ × 9″ (254 × 203 × 229 mm)
Weight: 18.7 oz (530 g)
| Unit of Measure: | Range: | Resolution: | Accuracy: |
| pH: | 0 to 14 | 0.01 | ±0.02 pH |
| mV/ORP: | -1999 to +1999 | 0.1 mV -199.9 to +199.9 (otherwise 1 mV) | ±0.2 mV -199.9 to +199.9 (otherwise ±2 mV) |
| Conductivity μS/cm: | 0 to 19.9 0 to 199.9 0 to 1999 | 0.01 0.1 1 | ±1% fs + 1d |
| Conductivity mS/cm: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| TDS ppm: | 0 to 19.99 0 to 199.9 0 to 1999 | 0.01 0.1 1 | |
| TDS ppt: | 0 to 19.99 0 to 199.9 | 0.01 0.1 | |
| Salinity ppt: | 0 to 11.38 0 to 80 | 0.01 0.1 | 1% fs+1d |
| Temperature ºF: | 23 to 176ºF | 0.1 | ±0.9ºF |
| Temperature ºC: | -5 to 80ºC | 0.1 | ±0.5ºC |
