vendor:Hanna

Hanna Low Range pH/Conductivity/TDS Tester

Name: Hanna Low Range pH/Conductivity/TDS Tester
Brand: Hanna
SKU: HI98129
Availability: InStock

SKU: REFERENCE: HI98129

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Product Overview

The HI98129 is an easy-to-use and accurate waterproof pH, conductivity, TDS (ppm) tester. It measures pH, EC in the low range (0–3999 µS/cm), TDS (0–2000 ppm), and temperature. This floating, waterproof combination pocket tester has an easy to read, LCD and an automatic shut-off. All pH, EC, and TDS (ppm) readings are automatically temperature compensated (ATC) to prevent temp. . .

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Specifications & Details

· pH Range: 0.00–14.00 pH

· pH Resolution: 0.01 pH

· pH Accuracy (at 25°C / 77°F): ±0.05 pH

· Conductivity Range: 0–3999 µS/cm

· Conductivity Resolution: 1 µS/cm

· Conductivity Accuracy (at 25°C / 77°F): ±2% F.S.

· TDS Range: 0–2000 ppm (mg/L)

· TDS Resolution: 1 ppm (mg/L)

· TDS Accuracy: ±2% F.S.

· Temperature Range: 0–60°C / 32–140°F

· Temperature Resolution: 0.1°C / 0.1°F

· Temperature Accuracy (at 25°C / 77°F): ±0.5°C / ±1°F

· Calibration:

§ pH: Automatic, one or two points (buffers: 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18)

§ EC/TDS: Automatic, one-point (1413 µS/cm or 1382 ppm)

· Temperature Compensation:

§ pH: Automatic

§ EC/TDS: Automatic with adjustable β (0.0–2.4%/°C)

· TDS Conversion Factor: 0.45–1.00

· pH Electrode: HI73127 (replaceable, included)

· Battery: 1.5V × 4; approx. 100 hours of continuous use

· Auto-Off: After 8 minutes of non-use

· Operating Environment: 0–50°C (32–122°F); RH max 100%

· Dimensions: 163 × 40 × 26 mm (6.4 × 1.6 × 1.0 in)

· Weight: 100 g (3.5 oz)

· Included: HI73127 pH electrode, HI73128 electrode removal tool,

batteries (4 × 1.5V), instruction manual

· Warranty: 1 year

About the Brand

In 1978 Hanna Instruments was founded in Limena, Italy by Oscar and Anna Nardo. Since that time, Hanna Instruments has grown to be a worldwide leader in the development of electro-analytical instrumentation. Hanna has produced simple, affordable, high quality devices for laboratory, food, agriculture, aquarium, environmental, industry applications. Hanna offer a wide array of instrumentation from research grade benchtop meters and ISEs, to single and multiparameter meters for pH, DO, and more. read less

Is This For you

Perfect For

Water testing
Coffee brewing water
pH checks
TDS measurement
Conductivity testing
Lab use
Café quality control
Portable testing

Not Ideal For

Espresso extraction
Machine cleaning
Descaling use
Brewing coffee directly
High-range testing
Large lab systems
No-calibration users
Rough handling

Features

The Hanna Low Range pH / Conductivity / TDS Tester is a professional water quality testing meter designed for coffee shops, roasteries, beverage labs, and quality-control setups that need accurate measurement of brewing water. Built to test pH, conductivity, and total dissolved solids, it helps users monitor water quality, support consistent extraction, and maintain better control over coffee and beverage preparation.

3-in-1 Water Testing

Measures pH, conductivity, and TDS, giving users key water quality readings in one compact tester.
Ideal for Coffee Brewing Water

Helps cafés and roasteries monitor brewing water quality, supporting consistency in extraction and flavour.
Low Range Measurement

Designed for precise low-range readings, making it suitable for beverage, water, and quality-control applications.
Portable Professional Tester

Compact and easy to use for daily checks in cafés, labs, roasteries, and commercial coffee environments.

How it compares

Compare with other similar products

Feature

Product type

Main purpose

Measurement ability

Typical use

pH range

pH accuracy

Hanna Low Range pH / Conductivity / TDS Tester

Multi-parameter digital tester

Measures pH + EC + TDS + temperature in one device

Measures all key water-quality values in one meter

Daily water testing for brewing, RO water, filtration, hydroponics, labs, etc.

pH measurement included

Depends on model; low-range combo testers are designed for accurate pocket use

Hanna pH Tester HI98107 & TDS Tester HI98301 Combo

Two separate pocket testers sold/used as a combo

Measures pH with HI98107 and TDS with HI98301

Measures pH and TDS, but not EC unless using a separate EC meter

Basic water testing where pH and TDS are enough

HI98107 measures 0.0 to 14.0 pH

HI98107 has 0.1 pH resolution and ±0.1 pH accuracy

Hanna Calibration Buffer Solutions

Calibration consumable

Used to calibrate pH, conductivity, or TDS meters

Does not measure water by itself

Keeping meters accurate

Depends on buffer value, commonly pH 4.01, 7.01, and 10.01

Hanna standard buffers are commonly ±0.01 pH at 25°C; technical and millesimal ranges offer higher traceability/accuracy options

Technical Specifications

Complete technical details and specifications

Measurement Ranges

pH range: 0.00–14.00 pH

Conductivity range: 0–3999 µS/cm

TDS range: 0–2000 ppm / mg/L

Temperature range: 0–60°C / 32–140°F

Accuracy & Resolution

pH resolution: 0.01 pH

pH accuracy: ±0.05 pH

Conductivity resolution: 1 µS/cm

Conductivity accuracy: ±2% F.S.

TDS resolution: 1 ppm / mg/L

TDS accuracy: ±2% F.S.

Temperature resolution: 0.1°C / 0.1°F

Temperature accuracy: ±0.5°C / ±1°F

Calibration & Compensation

pH calibration: Automatic, one or two points

pH buffers: 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18

EC/TDS calibration: Automatic, one-point

EC/TDS calibration values: 1413 µS/cm or 1382 ppm

Temperature compensation: Automatic

TDS conversion factor: 0.45–1.00

Build & Included Items

pH electrode: HI73127, replaceable and included

Battery: 1.5V × 4, approx. 100 hours continuous use

Auto-off: After 8 minutes of non-use

Operating environment: 0–50°C / 32–122°F; RH max 100%

Dimensions: 163 × 40 × 26 mm

Weight: 100 g

Included: HI73127 pH electrode, HI73128 electrode removal tool, batteries, instruction manual

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Hanna Low Range pH/Conductivity/TDS Tester

Hanna Low Range pH/Conductivity/TDS Tester

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