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General| Temperature Resolution | 0.1°F/°C |
|---|---|
| Data Hold | Yes |
| Power Source | 9V Battery |
| Dew Point | Yes |
| Wet Bulb | Yes |
| Response Time | 500 ms |
| Display | Dual LCD |
| Humidity | 10% to 90% RH |
| Type | Infrared Thermometer with Humidity Meter |
Lists key capabilities of the Extech HD500 Psychrometer, including display, response time, and connectivity.
Essential precautions for using the device, particularly concerning the laser pointer and operating environment.
Identifies and numbers the external components and controls of the Extech HD500 meter.
Explains the various icons, displays, and indicators shown on the LCD screen of the meter.
Step-by-step guide for turning on the meter and performing fundamental air temperature, humidity, and IR readings.
Instructions for using the infrared sensor and laser pointer to measure surface temperatures accurately.
How to freeze the displayed readings on the upper or lower display for later review.
Procedure for recording and recalling the minimum and maximum measured values.
Information on the automatic shut-off feature and how to disable it.
Guidance on recognizing a low battery and the steps for replacing the 9V battery.
How to use the backlight function and connect the meter to a PC via USB.
Explains how IR thermometers work and the importance of matching the target size to the field of view.
Discusses emissivity values for different materials and how to compensate for reflective surfaces.
Provides overall details of the meter, including display type, sensors, and operating conditions.
Details the measurement ranges, resolutions, and accuracy for each function of the meter.
Outlines the terms of the manufacturer's warranty for the instrument and accessories.
Information on obtaining calibration, repair services, and technical support from Extech.
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