837-1_SOL Pen Type Salinity & Temperature Meter ATC NaCl w/ Calibration Solution Set, Salt Water Quality Tester 70.0ppt for Saltwater Aquarium Hydroponics Food Pond Digital Measurement Tool

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This Dual meter is designed to measure the salt content in liquid without the need for conversions. It measures both temperature (ºC/°F) and salinity (ppt) and displays simultaneously on its clear LCD. It has an IP65 Rating, waterproof and dustproof housing and waterproof membrane keypad. 

Applications & Usage:

It quickly and accurately measures salt concentration in koi ponds. Salt deters algae growth, detoxifies nitrite, and eliminates fish parasites and bacterial infections. Ideal for checking salt in fish hospital tanks and tropical aquariums, water monitoring, seawater-prepared food solutions, breeding ponds, aquariums, holding tanks and more.


  • Built-in NaCL Temperature coefficient 
  • Conductivity to TDS conversion factor 
  • Multi-point calibration guarantees full range accuracy
  • IP65 water resistant housing
  • Data Hold function
  • °C/°F switchable temperature unit
  • Allow factory default resetting 
  • With over & below the limit value indicator 
  • Low battery indicator 
  • Self-diagnostic for error messages
  • Auto power off if idle or no operation for 20 minutes
  • Comes with Calibration Solution (NaCl 50ppt)



  • Measuring Range: 
    • Salinity: 0.00~10.0 ppt (NaCL) and 10.1~70.0ppt (NaCL) 
    • Temperature Compensation: 0~50°C 
  • Accuracy: 
    • Salinity: ±1%FS ±1 digit or ±2%FS ±1 digit (10.1~70.0ppt) 
    • Temperature: ±0.5°C 
  • Resolution: 
    • Salinity: 0.01ppt or 0.1ppt (10.1~70.0ppt) 
    • Temperature: 0.1°C/°F

  • TDS Factor: Built-in NaCL conductivity to TDS conversion factor
  • Built-in NaCL Temperature coefficient
  • Normalization Temperature: Fixed at 25°C
  • Operating Environment: 0~50°C; <90% Humidity
  • Power Supply: 4 x LR44 batteries
  • Weight: 0.14kg
  • Dimension: 165 x 35 x 32mm

Set Includes: 

  • 1 x Salinity and Temperature Meter
  • 1 x Buffer Solution (NaCl 50ppt) 
  • 4 x 1.5V Button Batteries 
  • English Instruction Manual
  • Salt Calibration Guide
  • Standard factory packaging

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