1. How to adjust the value displayed by the instrument is inaccurate?
After the Handheld Multi Gas Detector is used for a period of time, the zero point drift will occur. In an environment without harmful gas, the displayed value is not 0. At this time, the instrument can be zero-point calibrated.
The operation is as follows: hold down the left button and press the right button at the same time to enter the system menu, select system settings, and enter device calibration. After entering the six ones of the password, select zero point calibration, and press the OK key to complete the setting. When oxygen needs to be calibrated, after entering the equipment calibration, select gas calibration, and press OK to calibrate in an environment without harmful gases 20.9.
A handheld multi-gas detector needs to be calibrated by gas when it is used for about one year. Customers can contact Xi'an Huafan Company for free calibration and calibration. If there is standard gas, they can also calibrate themselves.
2. The service life of the instrument and battery life.
The service life of the sensor of this device is related to the customer's use environment. Under normal circumstances, the service life of the sensor is about 1 to 2 years. This instrument is powered by a lithium battery, please shut it down and charge in time when the power is low. If the alarm instrument crashes, it can be recovered through the reset button on the back of the instrument.
3. How to query alarm records.
The instrument can store more than 3,000 alarm records. When the user wants to query, he can operate through the following steps: hold down the left button and press the right button at the same time to enter the system menu and select record storage. At this time, the query can be found by turning the page. The device on/off information and alarm information.
The Handheld Multi Gas Detector provided by Xi'an Huafan Technology Co., Ltd. has fast sensor response and long service life. It must be your best choice. Xi'an Huafan Company is looking forward to your contact.