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Verify all components are present and correct after unpacking the product.
Overview of the compound gas monitor's features, applications, and calibration standards.
Explanation of display elements, icons, and units for gas readings and device status.
Identification and function of the instrument's physical components and control buttons.
Details on gas measurement, alarm settings, temperature display, and automatic shutdown features.
Information on data recording, reading modes, software errors, and zero point calibration procedures.
Detailed technical specifications including range, resolution, accuracy, and operational conditions.
Description of the primary display screen and its elements.
Operation of On/off, Left, Right, and Confirm buttons for device control and menu navigation.
Configuration of alarm values for Oxygen, CO, flammable gas, and H2S.
Setting the data record interval and managing recorded data.
Interpreting real-time values, alarm conditions, and indicator signals.
Reviewing and deleting historical data recorded by the instrument.
Information on charging the instrument and battery status indication.
Important safety instructions, operating environment limitations, and maintenance guidelines.
General| Model | WT8812 |
|---|---|
| Category | Measuring Instruments |
| Display | LCD |
| Distance Spot Ratio | 12:1 |
| Emissivity | 0.95 |
| Response Time & Wavelength | 500ms & (8-14)um |
| Repeatability | ±1% or ±1°C |
| Storage Temperature | -20~60°C / -4~140°F |
| Operating Temperature | 0~40°C / 32~104°F |
