TEMPERATURE AND VANE ANEMOMETER Users Manual
■. Introduction Thank you for purchasing the temperature and vane anemometer from us. Please take a few minutes to browse through this user manual before you begin to operate the meter to ensure that you are fully familiarized with how best to operate the meter as accurately and safely as possible. This meter is a flow/temperature measuring instrument. It is normally used to measure the air speed at ventilation outlets. In addition to the measurement of temperature, climatic conditions can also be analysed.
2. Never store the product together with solvents, acides or other aggressive substances. 3. When the battery voltage is under proper operation requirement, the symbol will show on the LCD and the battery needs to be replaced with new. 1.1.2 Maintaining the product Don’t measure at a high temperature, high humidity places. To guarantee correct readings: position instrument so that flow impacts at the rear.
3. Resolution: 0.1m/s 1fpm； 0.1℃ 0.1℉； 4. Range: 0.4 ~ 20m/s, 80 ~ 4000fpm -10 ~ 50℃ 14 ~ 122℉ 5. Accuracy: ± (2% of reading + 0.5m/s) ± (2% of reading + 100fpm) ±1℃ ±1.8℉ 6. Sample rate: 2 time /sec 7. Auto power off: about 20 minutes 8. Low battery indicator 9. Operating environment: -10℃ ~ 50 ℃(14℉~122℉)，0 ~ 80%RH 10. Storage environment: -20℃ ~ 60℃(-4℉~140℉)，0 ~ 80%RH 11. Dimension and Weight: 157(L) x60(W) x30(H) mm, about 180g 12. Accessories: DC1.
■. Names of parts Instrument Familiarization 1. Sensor cover 1 2. Vane sensor 3. Temperature sensor 2 4. LCD display 3 5. Function key 4 5 Func .
The meaning of the symbols represented by the following table Number Functions Symbol of Order 1 Indicating it is now in the data-holding mode 2 Indicating the display value being the maximum value(MAX) 3 Indicating the display value being the minimum value(MIN) 4 Measure values 5 Velocity unit 6 Temperature unit -5-
Indication to the calibration mode 8 Indication low power of batteries. Batteries should be replaced. ■. Operation instruction 1. Please install new batteries on the meter. 2. Press the ON/OFF key to turn the power on. 3. Put the meter on the environment to be measured and make the vane sensor upright to the wind direction for measurement. 4. When the reading has been stable, read the value. * If you still need more operations, please see the description of keys instruction.
Press the key to turn the power ON and press the key once more to turn the power OFF. 2. Func. key 1) Press the key can select the state of MAX、MIN、 HOLD. The cycle of views shows as following figure: Func. key Measure mode Func. key Hold mode Max mode Min mode Func. key Func. key Hold mode: Reading are held. Max mode: Maximum values since the instrument was last switched on or last reset. Min mode: Minimum values since the instrument was last switched on or last reset.
>1sec. the light will be turned off. If the back light is not closed within 60 seconds, it will be turned off automatically. 3. Unit key 1) Unit set Velocity unit. Press Unit key <1sec. can change the Velocity unit. (m/s, km/s, fpm, mph, kts, Beaufort scale) Temperature unit Press and hold the Unit key >1sec. can change the Temperature unit. (℃,℉) 2) Auto power off When the meter is powered on, it is under auto power off mode. The meter will power itself off after 20 minutes if no key operation.
■. Maintenance 1. CLEANING INSTRUCTIONS The meter may be wiped down with a wet sponge or cloth using a mild water based detergent or anti-bacterial soap and rinsed under a gentle stream of cold water. NOTE: This unit is not designed for complete submersion or washing in water. 2. BATTERY REPLACEMENT Use the following procedure: When the battery voltage drop below proper operation range the symbol will appear on the LCD display and the battery need to be replaced.
WLS2106 Replace the battery cover.
