Cond./TDS/Salt/Temp Water Proof Meter 7021


  • Microprocessor Based
  • IP-57 Water Proofing
  • Floats on Water
  • Large LCD Display
  • Automatic Temperature Compensation (ATC)
  • Data Hold, Max/Min and ºC/ ºF Switchable
  • Low Battery and Consumption Indicator
  • Auto Power-Off after 10 minutes

Conductivity/TDS/Salt/Temp Waterproof Tester – 7021 is a microprocessor based tester used to determine Conductivity, TDS, Temperature, and Salts in a liquid. This tester has wide applications in agriculture, anti-freeze recycling, aquarium, boiler, chemical industry, cooling tower, drinking water, fish farming, food industry, garden husbandry, hydroponics, laboratory usage, plating industry, swimming pool & spa, water treatment etc.

It has rugged design for field use. It floats on water. It has Automatic Temperature Compensation (ATC) and is degree ºC/ºF switchable. It displays Maximum/Minimum value and data hold on large LCD display. It has low battery and consumption indicator along with auto shut off after 10 minutes of non use.


Display Large LCD to display respective parameters, Battery level, ATC & Temperature
Range TDS : 0 to 1300 ppm
1.30 – 13.00 ppt
Cond : 0 to 2000 µS,
2.00 – 20.00 mS
Salt : 0 to 1000 ppm
1.00 to 12.00 ppt
Temp : 0 to 90.0°C
32 to 194.0°F
Resolution TDS/Salt: 1 ppm/0.01 ppt, Cond.: 1 µS/0.01mS, Temp.: 0.1°C/°F
Accuracy TDS/Cond/Salt: ± 2% of F.S., Temp: ±0.2°C +1 digit
Temperature Compensation Automatic Temperature Compensation (ATC) with temperature display
Temperature Coefficient 2% per 0C
Water Proof As per IP – 57 water proofing standard
TDS Factor 0.67
Power DC 1.5 V x 4 battery (UM-4/AAA) Auto power off after 10 minutes
Dimensions Meter: 195 x 40 x 36 mm, Kit : 230 x 205 x 50 mm
Weight Meter: 135 g with battery Kit: 780 g
Others Features Auto Power-off after 10 minutes, Hold function to freeze reading, Push button calibration, Water-proof IP-57, Temperature coefficient- 2% per ºC, Self-Diagnostics message for low battery
ACCESSORIES Standard Calibration Solution (50 ml), Battery, Lanyard, Instruction Manual and Carrying Case

Note : Specifications are subject to change due to continuous improvements.