Table of Contents Introduction..........1 CHARACTERISTICS ....... 1 Functions Cross table ......2 Air Velocity Meter Features...... 3 Display Features........5 Power On/Off ........... 6 Auto Shutoff..........6 LED Backlight..........6 Auto Backlight On/Off........7 Air Velocity Measures........8 Change Secondary Display Mode ... 9 Change Units ...........
TM-402A~TM-414A Introduction TM-4XX series measures air speed ,temperature and humidity. It is ideal for spot measurements at air outlets on account of its 30mm vane. In addition to air speed and temperature, TM-404A and TM-414A also measures air moisture and absolute pressure.
Page 7
TM-402A~TM-414A HOLD and Recall key ESC and Rec key Max, Min and AVG key Select up and Auto shutoff key Enter and Unit change key Select down and Power key Backlight and Set Key Display and Backlight Probes input 10. Battery placement 11.
TM-402A~TM-414A Display Features 1. Primary display 2. Secondary display 3. Functional symbol display area 4. Lower battery indication. 5. Auto shutoff symbol indication. 6. Units of Primary display 7. Units of Secondary display...
TM-402A~TM-414A Power On/Off In the shutoff mode Press key to turn on he power. If want to turn off Press and hold key. ※ In the Set ,Unit change and recall mode can not turn off the power. Auto Shutoff The device will auto shutoff if there is no action for 15 minutes.
TM-402A~TM-414A Auto Backlight On/Off Users can set on or off the 30-seconds auto-off backlight Press and hold key into setting mode. Press key to select BLIGHT setting, as shown in figures. Press key into Backlight setting. Press key to select auto off on or off.
TM-402A~TM-414A Air Velocity Measures Please insert probe plug into the device sensor input socket. Fallow the arrows to measure velocity. As shown in figures. ※ Please don not touch the blades by fingers or foreign body to avoid damage to the blades.
TM-402A~TM-414A Change Secondary Display Mode In the normal mode, Press key to change secondary display mode. The order of ºCCMM(CFM) ºC WET(403A/404A/413A/414A) ºC DEW (403A/404A/413A/414A) HPa(404A/414A)%RH (403A/404A/413A/414A). ※ In the Humidity mode need to waiting minutes to acquire accuracy humidity reading.
TM-402A~TM-414A Air Flow Calculation When secondary display in the flow mode (CMM/CFM), the device will calculate flow by the users key in area volume. Setting Area Press and hold key into the setting mode. Press key to select setting area...
TM-402A~TM-414A ※ The units(m ) maximum volume is 1.5 m , and minimum volume is 0.096 m ※ The units (ft ) maximum volume is 16.15 ft and minimum volume is 1.03 ft MAX/MIN/AVG record: This function can record maximum, minimum and average.
TM-402A~TM-414A Freeze Display (HOLD) Users can press key to freeze display, and press key again to release display. ※ In the Set ,Unit change and recall mode can not used this function. 99 Records Device cans storage air velocity data up to 99 records.
TM-402A~TM-414A Clear Memory When the memory are full or want to clear memory data, please fallow the setup to clear memory. Press and hold key into the setting mode shown in figures. Press key to select the clear memory mode.
TM-402A~TM-414A Memory Recall Users can recall the memory data to show on the display. Press and hold key into the RECALL mode. The secondary display showed the memory location and primary display showed the storage velocity data. Press key to increase and decrease memory location.
TM-402A~TM-414A Battery Replacement WARNING If the symbol “ ” appears on the LCD, please replace the battery immediately Turn off the device and disconnect all test leads before replacing the battery. Use only the correct type of batteries, properly installed in the case, to power the device.
Page 20
TM-402A~TM-414A Air Flow Calculation: Unit Range Resolution Accuracy 0~9999 0~9999 Temperature: Unit Range Resolution Accuracy ±1ºC ºC -20~60 ±1.8ºF ºF -4~140 Humidity: Unit Range Resolution Accuracy @25°C ±3.5%RH 20~80 ±5%RH <20 , >80 Absolute Pressure: Unit Range Resolution Accuracy ±2hPa 350~1100 ±1.5mmHg...
Page 21
Storage temperature and humidity : -10ºC to 60ºC, below 70%. Instrument dimensions : 140(L)x 65(W)x 38(H) mm. Weight : About 285g(TM-402A~403A). About 240g(TM-404A). About 296g(TM-412A~414A). Probe dimensions (TM-402A~TM-404A) : 195(L) x47(W) x30(H) mm. Cable length : 95cm.
TM-402A~TM-414A End of life Caution: This symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal...
Page 24
Solar power meter, Radiation meter, Clamp meter, Multimeter, Phase Rotation test, Digital Insulation teste Our products of high quality are selling well all over the world TENMARS ELECTRONICS CO., LTD 6F, 586, RUI GUANG ROAD, NEIHU, TAIPEI 114, TAIWAN. E-mail: service@tenmars.com http://www.tenmars.com...
Need help?
Do you have a question about the TM-402A and is the answer not in the manual?
Questions and answers