KST-VI Intelligent Micro Water Meter (Precision Dew Point Meter) This product uses imported resistive capacitive sensors and includes a micro printer. It is currently a cost-effective micro water tester with a production configuration for 10-35KV gas filling cabinet manufacturers. This product is mainly used for SF6 gas incoming inspection, inflatable cabinet production process or factory moisture testing; This product can also be used for environmentally friendly gases (3M 4710, 5110) N2、 Moisture testing of dry air or non corrosive gases; This product promises to be verified by third-party testing institutions such as China National Institute of Metrology; Technical specifications Measurement range: Dew point -80~+20 ℃ or -60~+60 ℃ (with ppmv automatic conversion, etc.) Measurement accuracy: 1 ℃ Resolution: Dew point 0.1 ℃ or 1ul/l Repeatability: 0.5 ℃ Gas flow rate: When measuring humidity: 0.5~0.9L/min, electronic mass flowmeter, sample gas flow rate has no effect Probe protection: Stainless steel sintered filter screen Working voltage: 220VAC 10% 50Hz, AC/DC dual-use, overcharge protection, continuous operation for not less than 5 hours Storage temperature level: -40~+70 ℃ Output interface: USB 2.0 Specification Storage capacity: 30 Operating environment: Temperature: -25~+60 ℃ Relative humidity: 90% RH Other configurations: Standard version management software, including report printing, commonly used humidity conversion tool kit Size: 335290160 Weight: Approximately 6.2kg We have listed and analyzed one or more sets of data for micro water testing in the production process used for nitrogen procurement inspection .....

KST-VI intelligent micro water meter (precision dew point meter)

This product uses imported resistive capacitive sensors and includes a micro printer. It is a cost-effective micro water tester currently used by manufacturers of 10-35KV gas filled cabinets.
This product is mainly used for SF6 gas incoming inspection, inflatable cabinet production process or factory moisture testing;
This product can also be used for environmentally friendly gases (3M 4710, 5110) N2、 Moisture testing of dry air or non corrosive gases;

This product promises to be verified by third-party testing institutions such as China National Institute of Metrology;


technical indicators
measurement rangeDew point -80~+20 ℃ or -60~+60 ℃ (with ppmv automatic conversion, etc.)
Measurement accuracy:≤1℃
resolutionDew point 0.1 ℃ or 1ul/l
Repeatability：±0.5℃

gas flow rateWhen measuring humidity: 0.5-0.9L/min, electronic mass flowmeter, sample gas flow rate has no effect
Probe protectionStainless steel sintered filter screen
Working Voltage220VAC ± 10% 50Hz, AC/DC dual-use, overcharge protection, continuous operation for no less than 5 hours
Storage temperature level： -40～+70℃
output interfaceUSB 2.0 specification
Storage capacity:30 articles
operating environmentTemperature: -25~+60 ℃ Relative humidity: ≤ 90% RH
Other configurationsStandard version management software, including report printing and commonly used humidity conversion toolkit
Size：335×290×160
WeightApproximately 6.2kg

Used for nitrogen procurement testing

Micro water testing during production process





Below is a set of

We observed and analyzed the above data:
1. Dew point -42.261 is equivalent to a micro water value of 149.31, which is the micro water qualification point for many of our high-voltage switchgear.
2. At dew points of -9.261 and -10.261, the difference in micro water values is 230ppm;
3. When the dew point is around -42.261, for every degree difference, the difference in micro water is about 15 degrees, so
If a micro water meter with an accuracy of+-1 degree is selected, the actual micro water value error is around 30.If a micro water meter with an accuracy of+-2 degrees is selected, the actual micro water value error is around 60;

So when choosing a micro water meter with a precision of+-1 degree, the actual micro water value error is around 30, which should be said to be the lowest requirement for our inflatable cabinet.

If possible, it is recommended to purchase a cold mirror micro water meter with an accuracy of+-0.2 degrees.

Adopting imported sensor resistance capacitance method micro water meter, with an accuracy of+-1 degree