The HZWS-II SF6 Micro Water Measurement Instrument is a modern, high-level intelligent measuring device developed by our company. It delivers significant advancements in measurement principles, automation, and ease of use compared to similar instruments. Adopting European standard technology ensures accurate and reliable data in every measurement.
This micro water tester features a wide measurement range, fast response time, short measurement cycle, intuitive display, and simple operation. It is applicable across a broad range of fields, including humidity measurement of air, nitrogen, inert gases, and any non-corrosive gases. It is particularly well-suited for humidity measurement of SF6 gas. Highly cost-effective, the instrument serves sectors such as electric power, petrochemicals, metallurgy, environmental protection, and research institutes.


| Measurement Range | -80 ºC ~ +20 ºC |
| Measurement Accuracy | ±0.5ºC (-60 ºC ~ +20 ºC), ±1.0ºC (-80 ºC ~ -60 ºC) |
| Response Time | 63% needs 5 seconds, 90% needs 45 seconds (-60ºC ~ +20ºC) 63% needs 10 seconds, 90% needs 240 seconds (+20ºC ~ -60ºC) |
| Environment Temperature | -40ºC ~ +60ºC |
| Environment Humidity | 0 ~ 100% RH |
| Display | 3.5-inch color LCD display |
| Power Supply | AC 220V Built-in charged battery |
| Battery Performance | Charging time: 20 hours Using time: over 10 hours |
| Weight | 5 kg |
| Dimension | 250 × 150 × 300 mm³ |
| Operating Temperature | -40ºC ~ +60ºC |
| Storage Temperature | -40ºC ~ +80ºC |
| Resolution | 0.1ºC or 1 PPM |

We are an integrated trade and manufacturing company with our own factory.
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, along with lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.