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General| Brand | Extech Instruments |
|---|---|
| Model | AN200 |
| Category | Measuring Instruments |
| Language | English |
Emphasizes extreme caution, avoiding eye exposure, and safe use near potentially explosive environments.
Details ranges, resolutions, and accuracies for air velocity (m/s, ft/min, etc.) and air flow (CMM, CFM).
Specifications for air temperature (probe) and surface temperature (IR), including ranges and accuracies.
Information on circuit, display, sensors, IR specs, battery life, weight, and dimensions.
Explanation of the function of each button on the keypad for various measurement modes and features.
Defines LCD icons, units of measure (CFM, °C/°F), and status indicators like MAX, MIN, AVG, HOLD.
Instructions for correctly connecting the vane sensor plug to the meter's designated jack.
Steps for performing air velocity measurements, including unit selection and sensor placement.
Guide to using the 20-point averaging mode for air velocity measurements.
Procedure for manually entering and saving duct area dimensions for CFM/CMM calculations.
Using the averaging mode and storing/recalling area memory locations for air flow.
How to freeze the current air velocity/air flow reading for later viewing.
Steps to record and view the highest (MAX), lowest (MIN), and average (AVG) air velocity/flow readings.
Instructions for selecting between Fahrenheit (°F) and Celsius (°C) temperature units.
How to freeze air temperature readings and record MAX/MIN temperature values.
Procedure to disable the automatic power off feature to keep the meter on for extended periods.
Steps for pointing the IR sensor, using the laser pointer, and reading surface temperature.
Detailed steps for safely replacing the 9V battery when the low battery indicator appears.
Guidance on ambient changes, surface conditions (frost, oil), reflectivity, and obstructions.
Explanation of the 8:1 field of view ratio and the importance of emissivity for accurate readings.
A table listing emissivity values for various common materials to help achieve accurate IR temperature measurements.
Formulas for calculating duct area (rectangular/circular) and cubic flow (CFM/CMM).
A reference table for converting between m/s, ft/min, knots, km/h, and MPH.
Details Extech's warranty policy, limitations, and conditions for defects in parts and workmanship.
Information on calibration services, repair procedures, and contact details for support.
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