Wuhan Goldhome Hipot Electrical Co., Ltd. is one of the leading manufacturers and suppliers of insulator salt density test instrument in China. With abundant experience, our factory offer high quality customized products made in China with competitive price. Welcome to contact us for quotation.
Product Overview

The HM3200 Insulator Salt Density Tester is designed for pollution flashover detection in power systems. It measures equivalent salt deposit density (ESDD) on insulator surfaces, along with solution conductivity and temperature. The tester provides key data for pollution level classification and contamination zone mapping, helping to select proper creepage distances for transmission equipment, reduce flashover risks, and enhance power system safety.
Key Features & Advantages
- Auto-ranging & fast measurement (2.5 sec per test)
- Salt density range: 0.0001 – 9.9999 mg/cm²
- Bilingual interface
- 480×272 color touchscreen LCD
- Displays & prints: ESDD, conductivity, temperature, pollution level, and standardized creepage distance
- Automatic temperature compensation to 20°C for standard conductivity and ESDD
- Auto-subtract of original solution salt content – lowers demands on cleaning water purity
- Converts non-energized ESDD to energized ESDD automatically
- 100,000-record storage; export to USB drive or print directly
- Manage records: view, delete, or export single entries – or delete all
- Built-in 2600mAh rechargeable Li-ion battery – ideal for field use

technical Parameter
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Measuring range: |
Salt density |
0.0001mg/cm2~9.9999mg/cm2(Based on X-4.5 insulators.) |
|
Measure temperature |
0℃~100℃ |
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|
Measure conductivity |
0~200000μs/cm |
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|
Basic error |
Measure salt density |
Resolution 0.0001 mg/cm2 |
|
Full-scale accuracy |
±2% |
|
|
Measure temperature |
Resolution 0.1℃,Accuracy ±0.5℃ |
|
|
Measure conductivity |
Resolution 0.01μs/cm |
|
|
Ambient temperature |
0℃~60℃. |
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Ambient humidity |
<90%. |
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Volume and Weight |
Overall chassis dimensions |
Length 356mm * Width 260mm * Height 133mm |
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Weight |
About 2.5Kg |
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Products Description
I.Host Appearance

FAQ
1. Is the testing process complicated? Does it require manual calculations?
No, it's not complicated-it's highly automated. Simply place the sample solution collected after wiping the insulator into the measuring cup, and the instrument will automatically calculate and display the salt density value.
2.How is the battery life? Does it support on-site printing?
Operating continuously for 8–10 hours on a full charge. Built-in micro thermal printer that allows you to print data receipts immediately after testing is complete.
3. How long is the production & delivery lead time? MOQ?
Production lead time: 3–7 working days for stock goods; 10–15 working days for bulk customized orders.MOQ: 1 set
4.What is the warranty period? Overseas after‑sales service support?
1‑year warranty, Global after‑sales technical support is available via email, video call and remote guidance, if have, our engineer will guide on-site.
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