Digital Pentype. It measures the amount of Total Dissolved Solids (TDS) in a solution.
It has a high ±2% full scale accuracy. It has a wide range of applications including Aquarium water and Aquatic cultivation, Hydroponics, Hardness of water, Water Systems, Pools and Spas, Production, Pure drinking water, Food processing, Hospitals and Medical products, Boiler water, Households and offices, Electroplating water, Cooling towers, Laboratories, Ionized water and water quality testing etc.

Features:
Handy and compact design
Easy to use and provides a quick measurement
High ±2% Full Scale accuracy
Wide range water quality testing applications

Specifications:
Measuring range : 0-1999 ppm (mg/L)
Resolution: 1 ppm (mg/L)
Accuracy: ±2% F.S.
Environment: Humidity: ≤95%
LCD Display: 4-digits
Operating Temperature: 0 – 50°C (32 – 122 °F)
Power: 2 x 3V Button (CR2032) Cell Batteries (included)
Dimension: approx. 150 x 27 x 20mm (5.90 x 1.06 x 0.79 inch)
Item Weight: 46g
Shipping Weight:0.101kg
Package Size:17cm x 6cm x 4cm

Set Includes:
1 x TDS meter
1 x Mini Screwdriver
1 x Instruction Manual
Standard Factory Package