UA50 Zero Calibration Method

Thank you for purchasing the DEKIST UA50 product.

The UA50 product performs monitoring to detect Total Volatile Organic Compounds using a metal oxide (MetalDxide) sensor.

The UA50 model adopts a separate metal oxide method. Therefore, no individual calibration gas operation is required and Zero CalibrationJust run it and use it. Depending on the desired usage environment, separate Zero CalibrationYou may need this. The zero point is basically adjusted at the time of product purchase and shipped.

1. Connect to PC with USB Cabel

• Connect the UA product to a USB port or USB cable PCConnect with, PCUA-Calibrator program 실행합니다.

* Program down path: UA-Calibrator Program Download

2. UA50 (TVOC, CO2eq or absolute humidity)

1. When there is an error in TVOC value TVOC offset You can change the value by using. For example, the current TVOC value is 0.5 ppmTVOC offset when -0.2ppm After entering and saving, the current TVOC value -0.2ppmThis down TVOC 0.3ppm The value is displayed.

2. responsivenessIn the case of Default value is 7Is designated as 1 ~ 15 It can be adjusted in units.
If the sensitivity value is low, the characteristics of the sensor Become sensitive Sensitivity value If high The characteristics of the sensor Dullly Works.

3. CH2 CO2eq OR Absolute humidity is Zero CalibrationIn the case of offset을 이용 하여 Error valueIt can give a change of and sensitivity cannot be adjusted.

3. Zero calibration method

1. Zero CalibrationFor Power supply onlyBecause it should be Auxiliary battery Connect to or USB HUB에 powerIt is recommended to put only.

2. Clean air, non-polluted, ventilated placeZero Calibration in 1 to 4 hours minimumI need this Recommended timeIs 4 hours.

3. Healing time 4 시간When this elapses, the product LED Red green colorto FlashingAnd CH1: TVOC, CH2: CO2eq value Zero Calibration Adjustment 완료It's possible.