Tenmars TM-411 User manual

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Air Velocity Meter
TM-411t412t413t414
User's Manual
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1. lntroduction
TM-40X series measures air speed, temperature
and humidity. lt is ideal for spot measurements
at air outlets on account of its 30mm vane. ln
addition to air speed and temperature, TM-404
also measures air moisture and absolute pressure.
ln this way, air conditions can be reliably checked.
2. Features
I 45mm 4 plastics vane
r High sensitivity of 0.4mls.
r Air flow calculate function.
I Max/Min/Avg and data hold.
I Auto power off with disable function.
I Low battery indication. 4ttl"
r Low battery indication.
r Datalogging capacity: 99 records.
r Memory recall function.
r Backlight function.
r Absolute Pressure Sensor
r Humidity Sensor

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3. Functions Cross table
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4. Air Velocity Meter Features
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1. HOLD and Recall keY
2. ESC and Rec key
3, Max, Min and AVG key
4. Select up and Auto shutoff keY
5. Enter and Unit change key
6. Select down and Power key
7. backlight and Set Key
B. Display and Backlight
9. Probes input
10. Battery placement
1 1. Battery cover
12. Probes Plug
13. Probes hold
14, Probes sensor (Temperature/Humidity)
15. Vane
16. lnternal Pressure Sensor (TM-414)
5. Display Features
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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

TEN]WARS TM-411/4t214r3/414
6. Power On/Off
ln the shutoff mode Press (D r."y to turn on he
power.
lf want to turn off Press and notO (D fey.
X ln the Set ,Unit change and recall mode can
not turn off the power.
7. Auto Shutoff
The device will auto shutoff if there is no action for
15 minutes.
lf want to disable or enable the auto power off
function, please press and hold @ f."y.
Xln the Set ,Unit change and recall mode can not
change this.
8. LED Backlight
When press €) f"y to turn on backlight. Press
key to turn off again. The backlight will turn off of
after 30 seconds.
TEN]WAIRS TM-4r|4t21413/4r4
9. Auto Backlight On/Off
Users can set on or off the 3O-seconds auto-off
backlight
Press and hold @ key into setting mode.
Press @ ano G) key to select BLIGHT
setting, as shown in figures. pr"r. '@ key into
Backlight setting. Press {O and G) rey to
select auto off on or off. Press @n", to finish
and leave setting mode.
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10. Air Velocity Measures
1. Please insert probe plug into the device
sensor input socket.
2, Fallow the arrows to measure velocity. As
shown in figures.
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11. Ghange Secondary Display
Mode
ln the normal mode, Press G) ano O tey to
change secondary display mode.
X ln the Humidity mode need to waiting minutes to
acquire accuracy humidity reading.
12. Ghange Units
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Press and hold G9 key into the setting units
mode. lf want to change the secondarY display
units, please press and hold ($l key again.
When in the setting units mode, LCD blink the
choose unit. Press @ ano G teyto change
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the units and press ($7 key to finish and leave
setting mode.

TEN]I|/ARS TM-41|41214131414
13. Air Flow Calculation
When secondary display in the flow mode
(CMM/CFM), the device will calculate flow by the
users key in area volume.
14. Setting Area
Press and hold @ key into the setting mode.
Press (O ano (D key to select setting area
mode, as shown in figures. pr"r, @ key into
the setting area mode. r^\
From left to right to set the digits, and press W
and LrSr key to adjust digits to left or right. Press
(6) ano O t"yto increase and decrease
volume through last right dist::,
Users can press and hold (S/ t"y to change
area units 1m2 1ft21.
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X The units(m2) maximum volume is 1.5 m2, and
minimum volume is 0.096 m2.
X The units (ft2) maximum volume is 16.15 ft2,
and minimum volume is 't .03 ft2.
15. MAXMIN/AVG record:
This function can record maximum, minimum and
average. User can select viewing. Pr"ss tS key
to start record MAX, MlN, and AVG. Show the max
reading to display. Press {s key to switch
viewing between MAX, AVG and MlN.
Press and nolO @ key to disable this function.
X ln the Set ,Unit change and recall mode can
not used this function.

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16. Freeze Display (HOLD)
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Users can press \i1? key to freeze display, and
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press \lU key again to release display.
X ln the Set ,Unit change and recall mode can
not used this function.
17. 99 Records
Device cans storage air velocity data up to 99
records.
Press tU key to storage once record data, and
shown memory location on the LCD about 1 second.
X When the enable HOLD and MAXMIN
function, the record data still real reading.
TCN]WARS TM-41|4r2/4r31414
18. Glear Memory
When the memory are full or want to clear
memory data, please fallow the setup to clear
memory.
Press and hob S key into the setting mode,
as shown in figures.
Press G) ano G key to select the clear
memory mode.
Press 69 key into the clear memory mode.
The LCD showed the "yes" to reconfirm.
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Press W key to leave or press (D/ key to
clear memory and leave clear memory mode.
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19. Memory Recall
Users can recall the memory data to show on the
display. f-?x
Press and hold \l) key into the RECALL mode.
The secondary display showed the memory
location and primary display showed the storage
velocity data.
Pres" G "n6 (D keytoincreaseand
decrease memory location.
lf want to leave the recall mode, please press and
6. ^
6o16 \]9 key to leave this mode.
20. Checking the LCD and
Software Version
ln the shutoff mode, press and hold O fey to
turn on device and LCD will keep all dark
continued.
Starting device will show the software version
about 1 second,
TeNlWAFtS rM-41rt4r2t413/414
21. Battery Replacement
lf the symbol "8" "pp""r. on the LGD,
the battery i
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'
22. Specifications
Unit Ranqe Resolution Accuracy
m/s 0.4-45 0.1 L3/o +Q.2
Km/hr(kph) 1 .5-160 0.1 t3% +0.8
mph 0.9-100 0.1 t30,4 +0.4
(nots(kts) 0.8-88 0.1 t30l +0.4
Umin(fpm) 79-8800 1t3% +40
3eaufort 1-12
Air Flow Calculation:
Unit Range
CMM 0-9999 I
CFM 0-9999 1
EN-14 EN-1 5

Unit Ranqe Resolution Accuract
c-20-60 0.1 11t
T' -4-140 0.1 11.8"F
TEN]WARS TM-4111412/4131414
r Display:42mm(W).33mm(L)Monochrome
LCD with backlight
I Battery: 9V (NEDA 1604 . IEC 6F22 or JIS
006P)
r Battery Lift: Approx continuous used 100
hours.
Shutoff Rate Power: 3uA
Operate Maximum Power: 25mA
Operating temperature and humidity: 5'Cto
40'C,below 80% RH.
Storage temperature and humidity: -10'C to
60"C, below 70%.
TENMARS TM-4tt/4t214131414
t lnstrumentdimensions: 130(LF56Wf38(H)
mm. Weight: About 1609.
Probe dimensions: 135(L)-67(W)-31(H) mm.
Cable tength: 95cm. Weight: About 1009.
Accessories: User's manual xl , 9V battery xl ,
Probe x1, Bag xl
23. End of life
symbol indicates that equipment
and its accessories shall be subject to
I I a separate collection and correct
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Absolute Pressure:
Unit Ranqe Resolutior Accuracv
hPa 350-1 1 00 0.1 +21\Pa
mmHg 263-825 0.1 t'1.SmmHo
inHg 10.3-32 0.1 10.1
EN-16 EN-1 7