Tenmars TM-218 User manual

UVC Light Meter
UV A/B/C Light Meter
TM-218/TM-228
User’s Manual
HB2TM2180000

Contents:
1.Application..............................................................1
2.Accessories ............................................................1
3.Safety Precaution ...................................................1
4.Instrument Description...........................................2
4.1 Feature and function ........................................2
4.2 Indication on the LCD display..........................3
5.Operation ................................................................4
5.1 ZERO.........................................................5
5.2 Data Hold:............................................5
5.3 The Max./Min. Values Hold: ..................5
5.4 Manual Record for One Log：............5
5.5 Auto Record........................................6
5.6 Read the record data............................6
5.7 Backlight:................................................6
5.8 Disable or Enable Auto Power-off .........6
5.9 Intensity/Integrator switch (TM-228).......6
5.10 254nm or 365nm select (TM-228)..........7
5.11 Reset to factory settings.....................7
5.12 Settings: SET1~SET9...........................7
6.General Specifications.........................................14
7.Electrical Specifications.......................................15
8.Maintenance or Repair .........................................16
9.Battery Replacement............................................16
10. SENSOR Responsivity Curve ... 錯誤!尚未定義書
籤。
11. Product Disposal...............................................17

TM-218/TM-228
1
1. Application
Quickly determine the UV intensity of the factory’s UV
products
UVC germicidal lamp intensity and aging measurement.
UV curing.(TM-228)
UVA lamp intensity and aging measurement.(TM-228)
2. Accessories
1
Meter
1
UV sensor
1
User’s Manua
1 9V alkaline
battery
1
Carr
ying case
3. Safety Precaution
Caution! Please refer to this manual.
Improper use may damage the meter
and its components.
Complies with European Directive.
Do not operate in environments with flammable gas or humid
environments.
Operating altitude: up to 2000M.
Operating environment: Indoor use; Pollution degree 2.
Clean with soft cloth when dirty, such as glasses cloth. Do not
clean with chemicals and other solvents.
EMC: EN61326-1:CISPR 11:Group 1, Class B
Class B – Equipment for use in all establishments other than
domestic.
Group 1 – RF energy generated is needed for internal
functioning.

TM-218/TM-228
2
4. Instrument Description
4.1 Feature and function
1.Sensor connecting jack
2.
LCD display
3.Button for Maximum value /Minimum value /
Average value
4.Button for Manual record data / Long-time record
data /Up
5.Button for Reset / Setting
6.Button for Readings lock /Comparison
7.Button for Viewing record / Down
8.Unit switch button (TM-228)
9.
Button for Selecting measured wavelength

TM-218/TM-228
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(TM-228)
10.Backlight button
11.
Power switch butto
n
12.battery cover
13.Tripod nut
14.Sensor connecting plug
15.Sensing probe
4.2 Indication on the LCD display
1. Primary display
2. Auto power-off
3. Battery low
4. Readings lock
5. Query memory data
6. Buzzer
7.8. Calibration wavelength
9.10.11. Unit
12. Alarm
13. Connection to computer via USB

TM-218/TM-228
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14. Backlight function
15. Zeroing
16. Maximum value locking
17. Minimum value locking
18. Average value
19.20. Temperature unit
21. Secondary display
22. Setting
23. Auto logging
24. Manual recording
5. Operation
1.Firstly, insert the sensor connecting plug into the sensor
connecting jack with the direction indicated on the meter’s
body (if not connected properly, the LCD will display Err
when power-on, as shown in the figure below).
2.Press to turn the power-on or off
3.When close to the front of the UV source and the readings
not zeroed, press to zero.
4.Align the sensor to the UV source to be tested, and read
the measured value on the LCD.

TM-218/TM-228
5
5.1 ZERO
Before the light receiver close to the UV measurement and
the previous readings displayed on the LCD, click to
clear off.
5.2 Data Hold:
Click to enable or disable the readings lock.
5.3 The Max./Min. Values Hold:
Click to activate the Min./Max./Avg. function, and then
click repeatedly, the max., min. and avg. value will
appear in turn; press and hold to quit.
The max., min. and ave. values of all previous
measurements can be locked and updated.
5.4 Manual Record for One Log：
Click to store one log., the LCD will display "REC"
symbol and the number of recorded logs simultaneously;
for example: 10 logs will increase by 1 per click and up to
200 logs, and “FuLL” symbol appears if exceeding.

TM-218/TM-228
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5.5 Auto Record
Pressed and held for more than 2 seconds, the
LCD displays and auto-record starts. The record
can be set according to the storage interval, up to 200
logs.
Again, press to quit the auto recording.
5.6 Read the record data
Click to enter the reading mode for recorded value,
symbol appears on the LCD simultaneously. Press
or to read the logs. Press and hold for
more than 2 seconds to quit.
5.7 Backlight:
Press to turn the backlight on or off.
The backlight mode turns off automatically after 15 seconds.
5.8 Disable or Enable Auto Power-off
When power-on, press and hold for more than 2
seconds to disable or enable auto power-off, followed by
the automatic power-off symbol disappears or displays
accordingly.
5.9 Intensity/Integrator switch (TM-228)
Click to select the measurement mode m J/cm2or
uw/cm2(TM-228).

TM-218/TM-228
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5.10 254nm or 365nm select (TM-228)
Click to select the calibration value of 254nm or 365nm
for measurement.
5.11 Reset to factory settings
At power-off status, press and then press , the
LCD displays the boot screen and followed by for 1
second, the factory settings restored and the memory
cleared.
5.12 Settings: SET1~SET9
Press and hold for more than 2 seconds to enter
"SET", while "SET" flashes
Click repeatedly to enter SET1~SET9 sequentially
※PS: Each setting will be stored instantly. If the setting
period exceeds 15 seconds, it will be back to the
measurement mode.
SET.1. Set the buzzer to turn on or off the beep.
1. At the moment, LCD displays "SET1" and . As
shown in the figure below:

TM-218/TM-228
8
2. Press or to select (ON) or
OFF.
3. Again, click to enter "SET2".
SET.2. Auto Storage Interval Setting
1. Followed by "SET1", the LCD displays " SET2"
and sequentially, as shown in the figure
below:
2. Press or to set the storage
interval by 5 sec, 10 sec, 20 sec, 30 sec,
60 sec, 5 min, 10 min, 20 min, 30 min,
and 60 min.
3. Again, click to enter "SET3".
SET.3. Alarm setting (LIMIT)
1. Followed by "SET2", the LCD displays "SET3" LIMIT, as
shown in the figure below:

TM-218/TM-228
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2. Press to select mW/cm2 or μW/cm2.
3. Press to move the digit and select while the digit to
be selected will flash.
4. Press or to modify the settings. The default
value of mW/cm2is 10.00mW/cm2and that of μW/cm2
is 70μW/cm2. Press to switch between
10.00mw/cm2and 70uw/cm2, press to select the
digit to be selected.
5. Again, click to enter “SET4".
SET.4. Memory Clear
1. Followed by "SET3", the LCD displays "SET4" and the
symbol , when flashes. As shown in the
figure below:

TM-218/TM-228
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2. Click , while dFL flashes, click again, dEL
flashes for 4 times, and the memory is cleared.
3. Again, click to enter SET5.
SET.5. Temperature Calibration
1. Followed by "SET4", the LCD displays "SET5" and the
symbol °C or °F. As shown in the figure below:
2. If to increase or decrease the displayed temperature
value directly, press to move the digit, while the
digit to be selected flashes.
3. Press or to modify the value.
4. Again, click to enter SET6.
SET.6. UV Light 254nm Calibration
1. Followed by "SET5" , the LCD displays "SET6" and the
symbol 254nm. As shown in the figure below:

TM-218/TM-228
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2. If to increase or decrease the value displayed at the
254nm calibration point directly, press to move
the digit, while the digit to be selected flashes.
3. Press or to modify the value.
4. Again, click to enter " SET7"
SET.7. UV Light 365nm Calibration(TM-228)
1. Followed by "SET6" , the LCD displays "SET7" and the
symbol 365nm. As shown in the figure below:

TM-218/TM-228
12
1. If to increase or decrease the value displayed at the
365nm calibration point directly, press to move
the digit, while the digit to be selected flashes.
2. Press or to modify the value.
3. Again, click to enter "SET8".
SET.8. Switching °C°F
Followed by "SET7", the LCD displays "SET8" and the
symbol °C or °F (the default is °C). As shown in the figure
below:
1.Click to switch between °C and °F,
2.Again, click to enter "SET9".
SET.9. Replace the sensor setting with a new one
1. Followed by "SET8", the LCD displays "SET9" , the
symbols 254nm, ---- , and ZERO, as shown in the

TM-218/TM-228
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figure below:
2. Press , the LCD displays AUTO.
3. Again, press button again, the LCD , the LCD
displays the word AUTO with flashing for 4 times, the
sensor is calibrated automatically. (Require to execute
one time only when replacing the sensor)
※As shown in the figure below:
4. Again, click to quit the settings status.

TM-218/TM-228
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6. General Specifications
4-digit LCD display, the max. value is up to 9999.
UV intensity: 0~9999uw/cm2, 10.00~40.00mw/cm2.
Locking for Max./Min./Ave. value
Auto-switch band and locking data
Display the UV intensity and temperature simultaneously
Enable and disable auto-power-off
Alarm setting LIMIT: The beep of auxiliary judgment for
pass/fail from factory QC
Able to measure cumulative UV energy from 0 up to
99990m J/cm2(TM-228).
200 logs for stored data with auto logging/manual record
Sampling time: per 2 seconds.
Battery low indicator
Weight: 320g (battery included)
Power: 9V(NEDA 1604 IEC 6F22 JIS 006P)x 1
Battery life: up to 100 hours (without alarm)
Operation temperature and humidity: 0°C to
+50°C,<80%RH (No condensation)
Storage temperature and humidity: 0°C to
+60°C,<70%RH (No condensation)
Dimensions:
Meter
143(L) x 65(W) x 37.5(H) mm
Sensor 39.5ψx 30.5(H) mm
The line length of the light receiver: approximate 100 cm.

TM-218/TM-228
15
7. Electrical Specifications
Accuracy is indicated as [ % reading + digital] Environmental
conditions at 23°C ± 5°C with RH < 80%.
UV Irradiance Measurement Range
Model
TM
-
218(UVC)
TM
-
228(UVA/B/C)
Spectrum
Range
220nm～280nm 230nm～395nm
Calibration
Point
254nm 254nm/365nm
Range 1μW/cm²～40.00m W/cm²
Accuracy
±4%+1digit
Resolution
1μW/cm
²
, 0.01 m W/cm
²
UV-Integrator Measurement Range:(TM-228 Only)
Range
0
-
99990 mJ/cm
2
(9999 x10=99990)
Accuracy
±4%+1digit
R
esolution
10 m
J
/cm
2
Temprature:
Range 0.0°C～70.0°C(32.0°F～158.0°F)
Accuracy
±1.0
°C
(±2.0
°F
)
Resolution
0.1
°C
/0.1
°F

TM-218/TM-228
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8. Maintenance or Repair
1. appearing on the LCD display indicates the battery
low. Please replace the battery immediately to ensure the
accuracy.
2.Please use a soft cloth, such as glasses cloth, to wipe the
meter for the dirt and not use chemical solvents.
3.If not using for a long time, please remove the battery to
prevent the leakage of battery fluid which may corrode the
internal components.
4.In case of malfunction, the meter can only be sent to the
authorized service suppliers or back to the original factory
for maintenance.
9. Battery Replacement
1.Turn off the power.
2.Open the battery cover at the back of the meter, remove
the batteries.
3.Please insert new 9V batteries according to the polarities.
4.Put the battery cover back in place.
Warning
As battery low icon appears on the
LCD display, please replace the battery
immediately by the correct steps.

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17
10. Relative Spectral (Sensitivity)
TM-218
TM-228
11. Product Disposal
Note: This symbol indicates that the
meter and its accessories must be
separated and processed properly.

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TENMARS ELECTRONICS CO., LTD.
6F, NO.586 Ruiguang Rd, Neihu Dist.
Taipei City, Taiwan
E-mail: [e-mail]
http://www.tenmars.com