Tenmars TM-4001 User manual

Hot-Wire
Air Velocity Meter
User’s
Manual
TM-4001 / TM-4002
/ TM-4003
TENMARS ELECTRONICS CO., LTD
HB2TM4001002

CONTENTS
1. PREFACE............................................................. 2
2. GENERAL DESCRIPTION .................................. 2
3. SPECIFICATIONS (23 ℃ ±5 ℃ )............................. 3
4. INSTRUMENT DESCRIPTION............................ 6
5. LCD DESCRIPTION ............................................ 7
6. POWER ON/OFF ............................................... 10
7. Auto power off .................................................... 10
8. BACKLIGHT ....................................................... 10
9. CHANGE AIR VELOCITY UNIT......................... 10
10. CHANGE UNIT....................................................11
11. CHANGE FUNCTION .........................................11
12. TIME CONSTANT SETTING MODE ..................11
13. AIR FLOW SETTING MODE ............................. 12
14. DATA HOLD........................................................ 12
15. SINGLE DATA RECORD ................................... 12
16. VIEWING OR CLEARING DATA RECORDS .... 13
17. MAX/MIN/AVG.................................................... 13
18. PRECAUTIONS ................................................. 14
19. SOFTWARE INSTALLATION(TM-4003)............ 15
20. COMPUTER GRADE......................................... 15
21. EXTERNAL DC POWER ................................... 16
22. SAFETY AND MAINTENANCE STANDARDS .. 16
23. BATTERY REPLACEMENT............................... 17
24. END OF LIFE ..................................................... 17

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1. PREFACE
Thank you for purchasing out product.
Please, read the operating instructions in details
before you use this Hot-Wire Velocity meter, so
you will operate the meter correctly. This meter
can be operated in industry and home.
WARNING
Non-compliance warning and/or operating
instructions may damage the instrument or
its parts or injuring the operator.
2. GENERAL DESCRIPTION
Fast response probe.
Air flow volume.(Use platinum-resistors sensor)
Telescoping probe.
Instant/ AVG/ 2/3V MAX flow measurement.
Max/AVG/Min & data hold function.
Low batter indication “ ”.
LCD triple display with LED backlight.
Manual data memory and read function
(99 records). (TM-4001/TM-4002)
Humidity measurement. (TM-4002/TM-4003)
Calculate dew point temperature, wet bulb
temperature. (TM-4002/TM-4003)
Absolute pressure measurement. (TM-4003)
Auto power off with disable function.
USB PC serial interface. (TM-4003)
Data logging capacity(8000 records).(TM-4003)
Sampling interval : Max 24 hours; Min 1S.
(TM-4003)

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3. SPECIFICATIONS (23℃±5℃)
Air velocity measurement:
Unit Range Resolution Accuracy
m/s 0.01~25.00 0.01
±(3%of
reading
+1.6%FS)
Km/hr(kph) 0.02~90.00 0.1
mph 0.12~55.9 0.1
Knots(kts) 0.11~48.6 0.01
Ft/min(fpm) 0~4921.0 0.1
Beaufort 1~10 1 -
Air flow(volume) calculate:
Unit Range Resolution Accuracy
CMM 0~9999 0.1 -
CFM 0~9999 0.1 -
Temperature Measurement:
Unit Range Resolution Accuracy
℃-20~50 0.1 ±1℃
℉-4~122 0.1 ±1.8℉
Humidity(TM-4002、TM-4003):
Unit Range Resolution Accuracy
%RH 20~80 0.1 ±3.5%RH
%RH <20,>80 0.1 ±5.0%RH

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Absolute pressure(TM-4003):
Unit Range Resolution Accuracy
hPa 350~1100 0.1 ±2hPa
mmHg 263~825 0.1 ±1.5mmHg
inHg 10.3~32 0.1 ±0.1
Meter Dimension: 156x73x35mm(Lx W x H).
Probe Dimension:
Wire length: 160cm
Probe length: 128cm
Probe diameter of tip: 1.6cm
Probe diameter of base: 3.2cm
Meter weight: 250g.(without batteries)
Probe weight: 240g.
Power supply: UM-4(AAA)1.5V*6PCS or
AC100~240V DC9V/0.5A(9mm).
Battery life: 10 hours.
Operating temperature & humidity:
-20°C to +50°C, <80 %RH.
Storage temperature & humidity :
-10°C to +50°C, <70 %RH.
Data output: USB PC serial interface. (TM-4003)
Display: 60mm(W) x 47mm(L) monochrome
LCD and backlight.

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Standard accessories:
UM-4(AAA)1.5V battery×6 PCS,
User’s manual, USB cable.(TM-4003),
AC100~240V DC9V/0.5A.(9mm)×1(TM-4003),
Install CD disk (TM-4003).
EMC: This test was designed in accordance with
EMC standards in force and its
compatibility has been tested in
accordance with EN61326-1 (2006).
WARNING
To ensure that the accuracy of the
meter, we recommend for calibration
once a year.

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4. INSTRUMENT DESCRIPTION
1. HOLD Button 12. Enter Button
2. Power Button 13. DC power
3. MAX/MIN Button 14. USB
4. Left/read Button 15. Probe Jack
5. Mode Button 16. Holder
6. Display 17. Battery holder
7. Backlight Button 18. Battery cover
8. Unit Button 19. Hot-wire sensor
9. Up Button 20. Humidity sensor
10. Right/record
Button
21. Temperature
sensor
11. Down Button

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5. LCD DESCRIPTION
First window: Air velocity display
zSET : Setting mode indication.
zREC : Record mode indication.
zHOLD : Data hold indication.
zMAX : Maximum measured display indication.
zMIN : Minimum measured display indication.
zAVG : Average measured display indication.
z[] : Low battery indication.
z[ ] : Auto power off indication.
zm/s: Meters per second.
zKnots : knots.
zkm/hr : Kilometers per hour.
zmile/hr : Miles per hour.
zft/min : Feet per minute.
zBeau for : Beaufort.

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Second window: Temperature, humidity, air velocity
and Absolute pressure display.
zWET: Wet bulb temperature indication.
zDEW: Dew point temperature indication.
z%RH: humidity indication.
z℃: Degree Celsius.
z℉: Degree Fahrenheit.
zhPa: Hectopascal indication.
zinHg: Inch of mercury.
zmmHg: Millimeter of mercury.
zCFM: Cubic feet per minute.
zCMM: Cubic meters per minute.
z2/3V MAX : 2/3V Maximum mode is selected
indication.
z×10: Multiply reading by ten
z×100: Multiply reading by hundred.
z×1000: Multiply reading by thousand.
Third window: Air flow setting and record display
Sample: Sampling indication.
INTV: Sample interval indication.
Area: Duct area indication.
TC: Average time constant indication.
AVG: Average mode is selected indication.

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K: Number of records by one thousand.
[ ]: Round duct diameter dimension indication.
[ ]: Rectangle duct XY dimension
indication.
h: Hour indication.
m: Minute indication.
S: Second indication.
in: Inches indication.
cm: Centimeter indication.
ft2: Square feet indication.
m
2: Square meters indication.