
SKU: EC700
The Extech EC700 water quality tester kit is your all-in-one solution. With interchangeable probes, it measures pH, conductivity, TDS, salinity, and dissolved oxygen—making it perfect for aquaculture, laboratories, water treatment plants, and more. Its rugged IP67 waterproof design, large LCD display, and auto temperature compensation ensure reliable results wherever you go.
List price. Volume pricing available.
The Extech EC700 water quality tester kit is your all-in-one solution. With interchangeable probes, it measures pH, conductivity, TDS, salinity, and dissolved oxygen—making it perfect for aquaculture, laboratories, water treatment plants, and more. Its rugged IP67 waterproof design, large LCD display, and auto temperature compensation ensure reliable results wherever you go.
The Extech EC700 Waterproof pH, Conductivity, TDS, Salinity, Optical DO and Temp Meter # EC700 is manufactured by Extech. Valley Instrument Service is an authorized Extech dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681| Conductivity | 0 to 199.9 uS/cm, 0 to 1999 uS/cm, 0 to 19.99 mS/cm, 0 to 150.0 mS/cm |
| Conductivity Basic Accuracy | ±1.5% full scale |
| Conductivity Max Resolution | 0.1 uS/cm |
| Dissolved Oxygen (Saturation) | 0.0 to 199.9% (0.0 to 20.0 mg/L) |
| Dissolved Oxygen (Saturation) Basic Accuracy | ±3% full scale |
| Dissolved Oxygen (Saturation) Max Resolution | 0.1 mg/L |
| pH | 2.00 to 12.00 pH |
| pH Basic Accuracy | ±0.1 pH |
| pH Max Resolution | 0.01 pH |
| Response Time | <90 seconds (<30 seconds for DO) |
| Salinity | 0 to 10.00 ppt, 10.0 to 42.0 ppt (Sea Water) |
| Salinity Basic Accuracy | ±1.5% full scale |
| Salinity Max Resolution | 0.01 ppt, 0.1 ppt (Sea Water) |
| TDS | 0 to 199.9*f ppm, 0 to 1999*f ppm, 0 to 19.99*f ppt, 0 to 150.0*f ppt / TDS f factor 0.30 to 1.00 |
| TDS Basic Accuracy | ±1.5% full scale |
| Temperature (Contact) | -5°C to 60°C (23°F to 138°F) / DO probe: -5°C to 50°C (23°F to 122°F) |
| Temperature (Contact) Basic Accuracy | ±0.5°C (±1°F) |
| Temperature (Contact) Max Resolution | 0.1° |
| Certifications | EN 61326-1, IEC 61000-4 |
| Dimensions | 169 x 78 x 43mm (6.7 x 3.1 x 1.7") |
| IP Rating | IP67 |
| Power | 4 x AAA (1.5V) batteries |
| Warranty | 2 years |
| Weight | 200g (7 oz.) |

Conductivity Standard 2 Bottles -- 1 Pint Each

Conductivity Standard 2 Bottles -- 1 Pint Each

The Extech EC150 is a Conductivity/TDS/Temperature Meter with high-accuracy multi-ranging sensor. It features auto power off with disable, adjustable conductivity to TDS ratio factor from 0.4 to 1.0, data hold and low battery indication. The waterproof design withstands wet environment and meets IP65 standard. Includes meter, protective sensor cap, and four LR44 button batteries.

The EC170 is a Salinity Meter with Waterproof design (IP65). Measure salinity in aquaculture, environmental studies, ground water, koi ponds, irrigation, drinking water and other applications. Features a High accuracy multi-ranging sensor and Auto Power off with disable. Autoranging with 2 ranges of measurement. Data Hold, Auto Power Off and Low Battery Indication. Complete with salinity sensor, protective sensor cap, and 4 LR44 button batteries.