Hanna HI98301 waterproof TDS tester

Hanna HI98301 Waterproof TDS Tester

The Hanna HI98301 waterproof TDS tester is a rugged, waterproof TDS tester designed for quick and reliable total dissolved solids (TDS) measurements in the field or laboratory. With a wide range of 0 to 2000 ppm, automatic temperature compensation, and a user-friendly interface, this pocket-sized meter is ideal for professionals in hydroponics, water treatment, aquaculture, and environmental monitoring.

This tester features automatic calibration, a large digital display, and long battery life, making it a dependable choice for fast, on-the-go testing of TDS in drinking water, nutrient solutions, and industrial process water.

Features

• Wide TDS Measurement Range
  Accurately measures TDS from 0 to 2000 ppm (mg/L), ideal for a broad range of applications including hydroponics, pools, and environmental testing.

• Compact, Waterproof Design (IP67)
  Built to withstand harsh environments; lightweight and pocket-friendly for field use.

• Automatic Temperature Compensation (ATC)
  Ensures precise TDS readings by adjusting for temperature variations between 0 to 50°C.

• Factory-Calibrated with Automatic One-Point Calibration
  Easy recalibration at 1382 ppm, perfect for routine accuracy checks.

• Energy-Saving Auto Shut-Off
  Programmable auto shut-off after 8 minutes, 60 minutes, or disabled to extend battery life.

• Simple One-Button Operation
  Streamlined user interface makes it easy for anyone to use—ideal for daily or frequent testing.

• Replaceable Battery with Long Life
  Powered by a CR2032 lithium battery, offering up to 250 hours of continuous operation.

Specifications

TDS Measurement

• Range: 0 to 2000 ppm (mg/L)

• Resolution: 1 ppm (mg/L)

• Accuracy: ±2% F.S.

• Calibration: Automatic, one point at 1382 ppm

• Conversion Factor: Fixed at 0.5 EC to TDS

Temperature Measurement

• Range: 0.0 to 50.0 °C (32.0 to 122.0 °F)

• Resolution: 0.1 °C (0.1 °F)

• Accuracy: ±0.5 °C (±1.0 °F)

• Temperature Compensation: Automatic

• Temperature Correction Coefficient: 1.9% / °C

General Information

• Automatic Shut-Off: 8 minutes, 60 minutes, or disabled

• Battery: 1 × CR2032 3V Li-ion (included)

• Battery Life: Approx. 250 hours of continuous use

• Environment: 0 to 50 °C; RH 100%

• Dimensions: 160 × 40 × 17 mm (6.3 × 1.6 × 0.7″)

• Weight: 68 g (2.4 oz.) without battery

Applications

• Hydroponics & Fertigation
  Monitor nutrient concentrations for optimal plant growth.

• Drinking Water Testing
  Ensure total dissolved solids remain within acceptable limits for potable water.

• Aquaculture & Fish Farms
  Maintain stable TDS levels for aquatic health and breeding success.

• Boiler & Cooling Tower Monitoring
  Prevent scale buildup and system inefficiency by tracking TDS in industrial water.

• Environmental Sampling
  Convenient tool for field technicians conducting freshwater or wastewater assessments.