Hanna HI98302 waterproof TDS tester

Hanna HI98302 DiST 2 Waterproof TDS Tester

The Hanna HI98302 waterproof TDS tester is a waterproof total dissolved solids (TDS) tester designed for accurate and reliable measurement in a variety of field or laboratory environments. With a wide measurement range of 0.00 to 10.00 ppt (g/L), this compact and ergonomic device is perfect for applications requiring the testing of nutrient solutions, wastewater, and other high-conductivity samples.

The tester features automatic temperature compensation, graphite sensors to prevent oxidation, and single-button calibration to ensure consistent, accurate readings every time. Its large dual-level LCD simultaneously displays TDS and temperature for fast, intuitive operation.

Features

• Extended TDS Range
  Accurately measures TDS from 0.00 to 10.00 ppt (g/L) with 0.01 ppt resolution and ±2% full-scale accuracy.

• Compact and Ergonomic Design
  With rounded edges and just 17 mm thin, the meter fits comfortably in the hand or pocket for easy transport and use in the field.

• Dual-Level LCD Display
  A large 29 × 20 mm display simultaneously shows both TDS and temperature, improving readability and efficiency during measurements.

• Graphite Sensor Technology
  Reduces polarization effects and resists oxidation for improved measurement reliability over time compared to stainless steel sensors.

• Exposed Temperature Probe
  Enables quick automatic temperature compensation (ATC) from 0 to 50 °C, ensuring more accurate TDS readings in varying conditions.

• Automatic One-Point Calibration
  Easily recalibrate the device with a single press using a standard 6.44 ppt calibration solution.

• Stability Indicator
  An hourglass icon disappears when the reading is stable, helping users know exactly when to record the value.

• Battery Status Indicators
  Displays a low battery warning when below 10%, and shows a battery percentage reading at startup for proactive maintenance.

• Auto-Off Function
  Saves battery life with customizable shutoff: after 8 minutes, 60 minutes, or disabled.

Specifications

TDS Measurement

• Range: 0.00 to 10.00 ppt (g/L)

• Resolution: 0.01 ppt (g/L)

• Accuracy: ±2% F.S.

• Calibration: Automatic, one-point at 6.44 ppt

• TDS Conversion Factor: 0.5

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 (ATC)

General

• Display: Dual-level LCD

• Auto-Off: 8 minutes, 60 minutes, or disabled

• Battery Type: CR2032 Li-ion 3V (1 pc.)

• Battery Life: Approx. 250 hours of continuous use

• Operating Environment: 0 to 50 °C; RH up to 100%

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

• Weight: 68 g (2.4 oz), excluding battery

Applications

• Hydroponics and Nutrient Solution Management
  Ensure proper concentration of dissolved nutrients for optimal plant growth.

• Aquaculture and Aquariums
  Maintain healthy environments by controlling TDS in fish tanks and hatcheries.

• Water Quality Testing
  Ideal for drinking water, industrial process water, and environmental sampling.

• Wastewater Monitoring
  Measure dissolved solids in treated and untreated water streams.

• Education and Research
  A reliable tool for science labs, teaching environments, and field studies.