User Manual - Test Equipment
Contents
1. TENMARS Air Velocity Meter TM 740 User s manual CE HB2TM7400001 TENMARS ELECTRONICS CO LTD FaN O oN TENMARS TM 740 1 Description Table of Contents 3 TM 740 measures air speed and temperature It Safety PRECAULION j s siccsseessearsacnqrnrercnnaniensessis 3 is ideal for spot measurements 5 at air outlets on account of its 30mm vane In 5 5 addition to air speed and temperature General Specifications 5 Electrical Specification 6 2 Safety Precaution AGCESSONESS osnon Era naar anase ENANS 6 Air Velocity MGEASUNES aira raean EE FA extremely careful for the following Operation 8 conditions while measuring 6 1 Velocity UIE BURON 8 E2 CAWO E cee a 8 e Do not operate the meter under the 68 8 environment with explosive gas material 6 4 MAX MIN AVG 8 combustible gas material steam or filled with 6 5 Data Hold 9 dust PowerButon 9 e In order to avoid reading incorrect data please Y j replace the battery immediately when the TA ombak cer 6 8 Enab2. le disable auto power off 9 PE Instrument 10 e in order to damagecaused Dy Battery ReplaGe Me ntsc ccccceseescoeavervecunaeereenee 11 contamination or static electricity do not touch End Mereenie E 11 the circuit board before you take any adequate action TENMARS TM 740 TENMARS TM 740 e Operating Environment Indoors use This 3 Features instrument has been designed for being used in an environment of pollution degree 2 e Operation Altitude Up to 2000M e 30mm 6 plastics vane e Light air response 0 4m s e Air flow calculate function o QOperating Femperature amp Humidity 40 0 5 80 e Max Min Avg and data hold 2 To e Auto power off with disable function Storage Temperature amp Humidity EN61326 1 2006 IEC 61000 4 2 2008 IEC 61000 4 3 2006 2007 Specifications 4 Specifications General e Display Dual LCD display The maximum value on the primary display is 9999 The maximum value on secondary display is 999 e Low Battery Indicator When the LCD displays symbol please replace the battery e Sampling Rate 1 sample per second e Power Supply 2 batteries 1 5V AAA MN2400 LRO3 AM4 e Battery Life 50 hours during consecutive use e Dimensions 135 x 48 x 23 mm L x W x H e Weight 80g excluding the battery e Accessories User manual batter
3. r more than 1 second to disable this feature TENMARS 6 5 6 6 6 7 6 8 TM 740 Data Hold button Freezes the reading present on the LCD screen at the moment the button is pressed Power Button 0 Press the button more than 2 second to power on the meter Auto Power To save battery life the meter powers down automatically after approximately 12 minutes of inactivity Enable disable auto power off Power Off by pressing the button A more than 2 second the LCD symbol will disappear or enable TENMARS TM 740 7 Instrument Description Vane Display LCD NO StS oN Velocity unit select button Calibration and C F button Data hold button Maximun Average minimum button Power Button ON OFF 10 TM 720 TENMARS 8 Battery Replacement If the symbol appears on the LCD please replace the battery immediately 1 Remove the battery cover 2 Replace the battery 3 Install the battery cover _ bM E r 9 ii 9 End Of Life Caution this symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal 11
4. y and carrying case TENMARS TM 740 e Operating Temperature and Humidity 5 C 50 C lt 95 RH e Storage Temperature and Humidity 10 to 60 C lt 70 RH Electrical Specification Velocity Unit Range Resolution Accurac m s 0 4 25 Km hr kph 1 5 90 mph 0 9 55 Knots kts 0 8 48 ft min fpm 79 4921 1 2 40 Temperature Unit Range Resolution Accuracy C 20 50 0 1 1 F 4 122 0 1 4 1 8 F Accessories e User manual 1 5V battery AAA MN2400 AM4 2 e Carrying case TENMARS TM 740 5 Air Velocity Measures Fallow the arrows to measure velocity As shown in figures ARROWS A Please don t touch the vanes by fingers or foreign body to avoid damage to the vanes TENMARS TM 740 6 Operation 6 1 6 2 Calibration of 10 m s 1 2 3 4 5 Velocity Unit Button Select the m s gt Knots kts gt ft min fpm gt Km hr kph gt mph CAL C F Button Prepare the 10m s velocity Press CAL button and POWER button more than 2 second the LCD will display CAL Unlocks buttons Press CAL button again more than 2 second the meter will shut down Correct succeed 6 3 C F Button Select C F 6 4 MAX MIN AVG Button Press MAX MIN button simultaneously Lockup data maximum and average and minimum vaiue of measure data Press the MAX MIN button fo
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