Digital Salinity & Temperature Meter with ATC, Handheld Pen Type Water Quality Measurement Monitor Tester, 0~70 PPT, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing;

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
display simultaneously on its clear LCD. It has an IP65 Rating, waterproof
and dustproof housing and waterproof membrane keypad.

Features:
°C/°F unit switchable
Built-in NaCL Temperature coefficient
Conductivity to TDS conversion factor
Multi point calibration guarantees full range accuracy
Easy one-touch calibration
Allow factory default resetting
With over & below the limit value indicator
Auto Power-Off Function with disable feature
Low battery indicator
Self diagnostic for error messages

Specifications:
Waterproof Rating: IP65
Measuring Range:
 *Salinity: 0.00~10.0 ppt (NaCL) and 10.1~70.0ppt (NaCL)
 *Temperature Compensation: 0~50°C
Accuracy:
 *Salinity: 1% Full Scale ± 1 digit or 2% Full Scale ± 1 digit (10.1-70.0ppt)
 *Temperature: ±0.5°C
Resolution:
 *Salinity: 0.01ppt or 0.1ppt
 *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 Temperature: 0~50°C
Power Supply: 4 x 1.5V button batteries (last up to 80hrs continuous work)
Auto power off if idle or no operation for 20 minutes
Size: 165 x 35 x 32mm

Set Includes:
1 x Salinity and Temperature Meter
4 x 1.5V Button Batteries (FREE)
English Quick Start Guide
Standard packaging box