HT-521 HCHO Formaldehyde meters
TH-521 Formaldehyde meters detects the presence of HCHO and measures concentrations between 1-50ppm
Features
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Digital LCD display
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Auto zero
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Memory for 10 complete data sets
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Record mode
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LED light audible alarm
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High accuracy, quick response
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pocket size and easy to use
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fast sampling
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Max hold
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data hold
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auto power off
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above 50ppm. The beeper sounds continuously
Specifications
|
Operating temperature |
0 to 50℃ |
|
Storage temperature |
0 to 20℃ |
|
Operating humidity |
0~90% relative humidity |
|
Measurement range |
0-50ppm |
|
Measurement resolution |
1ppm |
|
Accuracy |
3% or ±2ppm |
|
Warm up period |
Less than 2seconds |
|
Battery |
6v,4*1.5AAA battery |
|
Auto power off |
After 15 minutes of inacticity |
|
Sensor type |
Stabilized electrochemical gas-specific |
|
Typical sensor life |
3 years |
|
Size |
160*55*40mm |
|
Weight |
156g |
|
Accessories |
1.5AAA*4 battery, manual and blister card |
