Key facts
- Brand
- EXTECH
- Model
- EC600
- Category
- Other device
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH · EN
- Last added
- 2026-10-05
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EXTECH EC600 Digital Conductivity pH Meter User's Guide
This manual provides instructions for the EXTECH EC600, a digital meter capable of measuring conductivity, pH, temperature, TDS, salinity, and resistivity. The device features a built-in microprocessor for automatic calibration and temperature compensation, along with a backlit LCD display and IP57 dust-proof and water-proof rating.
The guide details the setup of the supplied equipment, including the meter and electrodes, and explains how to use the keypad for various functions such as data storage and recall. It includes step-by-step procedures for 1, 2, and 3-point pH calibrations using standard buffer solutions, as well as instructions for programming parameters like temperature units and backlight duration.
Extech EC600 specifications
| pH measurement range | -2.00 to 19.99 pH |
|---|---|
| pH resolution | 0.1 / 0.01 pH |
| pH accuracy (instrument) | ±0.01 pH |
| pH accuracy (probe) | ±0.02 pH |
| Input current | ≤2×10⁻¹² A |
| Input impedance | ≥1×10¹² Ω |
| Temperature compensation range | 0 to 100 °C (32 to 212 °F) |
| Conductivity measurement range | 0.00 to 19.99 µS/cm (up to 19.99 mS/cm) |
| Conductivity resolution | 0.01 / 0.1 / 1 µS/cm |
| Data storage capacity | 300 data groups |
Source: Extech EC600 Digital Conductivity/pH Meter User Manual
All Extech EC600 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I perform a three‑point pH calibration?
Press the CAL key to enter calibration mode, then sequentially immerse the probe in pH 7.00, pH 4.00 and pH 10.01 buffer solutions, confirming each step when the display stops flashing.
From: Extech EC600 Digital Conductivity/pH Meter User Manual
How many measurement readings can the EC600 store?
The instrument can store up to 300 data points, including 100 pH readings, 100 mV readings and 100 conductivity readings.
From: Extech EC600 Digital Conductivity/pH Meter User Manual
How many data points can the meter store?
The meter can store up to 300 data points in total, including 100 pH, 100 mV, and 100 Conductivity readings.
From: EXTECH EC600 Digital Conductivity pH Meter User's Guide
What is the recommended calibration method for new probes?
A 3-Point Calibration is recommended for new probes and those used for long periods to maximize slope linearity.
From: EXTECH EC600 Digital Conductivity pH Meter User's Guide