Tenmars TM-4001, TM-4002, TM-4003 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

TM-4001/4002/4003

2

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)

TM-4001/4002/4003

3

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

TM-4001/4002/4003

4

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.

TM-4001/4002/4003

5

 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.