1Users Manual• Mode d’emploi• Bedienungshandbuch• Manual d’Uso• Manual de usoTMA-21HWHot-Wire Anemometer
km/hr : Kilometers per hourft/min : Feet per minuteBft : Beaufort scalem/s : Meters per secondTemperature & Flow Set Up Display : : Round Duct dia
AVG : Average mode is selected indication. : Current mode is selected indication.WET : Wet bulb temperature indication.WCT : Wind chill temperature i
CONTENTS SYMBOLS ...1 UNPACKING AND INSPEC
1SYMBOLSCaution ! Risk of electric shockCaution ! Refer to the explanation in this ManualPlease remove all the test leads before preforming mainten
2INTRODUCTIONThe TMA-21HV Portable Air Velocity Meter is a lightweight versatile instrument that can be used anywhere to measure air velocity, tempera
3• Telescoping probe.• Simple and safe to use.• U.S. Pat. No. Des. 446,135OPERATIONGetting Started1. Installing the BatteriesInsert (6) AAA batteries
4• Push “SET” key several times until the “ SET ” symbol is disappeared to exit the setting mode.Flow Set Up mode• Push key to turn on the meter.• P
5Real – Time Setting mode• Push key to turn on the meter.• Push “SET” key three times to enter this mode, the “ SET ” and D-H, m:s symbol are displa
6• Push “” and “” keys to scroll through the log interval choices. The choice are : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25 and 30 seconds, and 1
7Calibration mode• Push “SET” key six times to enter this mode, the “USEr CAL no” symbol is displayed.• Push “” and “” keys to select “ ” symbol is
8• Push “” or “” key to select “ ” or “ ”, if select “ ” then push “↵” key will reset to factory default calibration value and exit setting mode.Air
9• The display will show the air velocity reading on the air velocity display.• Push “VEL %RH” key to circulate the display of the following reading :
10Manual Data Memory and Read ModeTEST ID 1 ~ 4 Memory Mode :• Push “Test ID” key to select the “TEST ID 1” memory.• Push “AUTO MEM” key each time, o
11air velocity and air ow reading and the memory address number, the minimum (MIN) air velocity and air ow reading and the memory address number, an
12 Accuracy : ±0.5°C (±0.9°F) Resolution : 0.1°C (0.1°F)Relative Humidity : Ranges : 10 to 95%RH Accuracy : ±3%RH (at 25°C, 30 to 95%RH) ±5%RH (a
13Power Supply : 6 pcs 1.5V size AAA batteries.Battery Life : Approx. 10 hours.Probe Dimensions / Weight : Wire length : 2.2 meter (7.2 ft) Prob
14Except for the replacement of the battery, repair of the meter should be performed only by a Factory Authorized Service Center or by other qualified
TMA-21HWHot-Wire AnemometerUsers ManualJune 2010, Rev.1 ©2010 Amprobe Test Tools. All rights reserved. Printed in Taiwan English
Limited Warranty and Limitation of LiabilityYour Amprobe product will be free from defects in material and workmanship for 1 year from the date of pur
TMA-21HW Hot-Wire Anemometer1 Air velocity sensor.2 Temperature and RH sensor.3 Telescoping probe.4 Display.5 Power key : Push power key to turn th
7 key : Push key to turn on and off the backlight.8 MX/MN key : Push “MX/MN” key to circulate the reading of Maximum, Minimum, Average and Current
It is based upon charts available from the U.S. National Weather Service.The Heat Index represents how an average person feels relative to climate con
• In the setting mode, push this key move ashing cursor to left.• In the TEST ID 0 to 4 mode, push this key one time store the one data to memory.• I
Description of Display FLOW SET UP DISPLAYMEMORY DISPLAY TEMPERATURE & AIR FLOW DISPLAYAIR VELOCITY & HUMIDITY DISPLAYAir
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