Tenmars TM201 User manual
LUX / FC LIGHT METER
TM-201
TM-202
TM-204
TM-205
User’s manual
HB2TM2010010
CONTENTS
1. Description.................................................... 1
2. Safety Precaution ......................................... 1
3. Preface ......................................................... 2
4. features......................................................... 3
5. Specifications................................................ 4
6. Operation Procedure .................................... 5
7. Instrument Description.................................. 6
8. Relative Spectral (SENSITIVITY).................. 9
9. Attention...................................................... 10
10.Recommended Levels of Illumination..........11
11. Battery Replacement .................................. 12
Office: Jl. Radin Inten II No. 62 Duren Sawit, Jakarta 13440 - Indonesia
Workshop: Jl. Pahlawan Revolusi No. 22B, Jakarta 13430 - Indonesia
Phone: 021-8690 6777 (Hunting) Fax: 021-8690 6777
Mobile: +62 816 1740 8925
Fax: 021-8690 6771
TM-201/202/204/205
EN-1
1. DESCRIPTION
Measures light from visible luminaries equipped with
fluorescent, metal halide, high-pressure sodium and
incandescent sources.
2. SAFETY PRECAUTION
CAUTION
Take extreme care for the following
conditions while measuring
Do not operate the meter under the environment
with explosive gas (material), combustible gas
(material) steam or filled with dust.
In order to avoid reading incorrect data, please
replace the battery immediately when the symbol
“” appears on the LCD.
In order to avoid the damage caused by
contamination or static electricity, do not touch the
circuit board before you take any adequate action.
Operating Environment: Indoors use. This
instrument has been designed for being used in an
environment of pollution degree 2.
Operation Altitude: Up to 2000M.
Operating Temperature & Humidity: -10℃~ 50℃,
0%~ 80%RH.
Storage Temperature & Humidity: -10℃~ 50℃,
0%~ 70%RH.
EMC:EN61326(1997)+A1(1998)+A2(2001)
TM-201/202/204/205
EN-2
3. PREFACE
The flux of light received in a unit area of a certain side
being shone is popularly known as illumination. In both
United Kingdom and America its unit is known as
footcandles light, but in Europe it is known as meter
candlelight.
One foot-candles light is the illumination of light that
falls on one side that lies in a distance one foot away
from a one foot-candlelight and exactly intersecting the
light. Its abbreviated form is written as 1 Fc=1 Lm/ft,
similarly, one-meter candlelight is the illumination of
light that falls on a side that lies in a distance one meter
away from a one meter candlelight and exactly
intersects the light. It is also called Lux i,e. the flux of
light being received in each sq. meter is called the
illumination of one lumen.
As one foot candle=10.764 Lux, therefore,Nbr. of foot
(meter) candlelight =
Nbr. of Lumen
──────────────
Area(sq. foot or sq. meter)
Nbr. of Lumen=Nbr. of foot (or meter)x area
Foot-candle/Lux conversion
1 foot-candle=10.764 lux
1 lux=0.09290 foot-candles
(sq, foot or sq. meter)
TM-201/202/204/205
4. FEATURES
Low cost highest precision.
Overload Indication: LCD will show “OL” in the left
highest position.
Low battery Indication.
Sampling Rate: 2.5 times per second for digital
display.
Spectral response close to CIE luminous spectral
efficiency.
Cosine Angular corrected.
According to JIS C 1609:1993 and CNS 5119
general A class Specifications.
Measuring lights source include all visible.
Measuring intensities of illumination in Lux or
footcandles.
Many applications include: Warehouses, factories,
office buildings, restaurants, schools, library,
hospitals, photographic, many video, parking
garages, museums, art galleries, stadiums, building
security.
DC analog output (TM-202).
Data hold.
Zero adjustment.
Large integrated circuit design.
Auto Range (TM-205)
Office: Jl. Radin Inten II No. 62 Duren Sawit, Jakarta 13440 - Indonesia
Workshop: Jl. Pahlawan Revolusi No. 22B, Jakarta 13430 - Indonesia
Phone: 021-8690 6777 (Hunting) Fax: 021-8690 6777
Mobile: +62 816 1740 8925
Fax: 021-8690 6771
TM-201/202/204/205
EN-4
5. SPECIFICATIONS
Display 2000 count, large LCD display, easier
to read.
Sensor Silicon photodiode and filter
Measuring
Range 20(TM-202/205),200,2000,
20000,200000 Lux
20,200,2000,20000 Footcandles
Accuracy ±3% (Calibrated to standard
incandescent lamp 2856∘K)
8% other visible light source,
(TM-201/204)
6% other visible light source,
(TM-202/205)
30 ○±2%
60 ○±6%
Angle deviation
from cosine
characteristics 80 ○±25%
Power Supply 9V NEDA 1604, IEC 6F22, JIS 006P
battery x 1pc
Battery life About 200 hours
Dimensions Meter: 38 (H) x 55(W) x 130(L) mm(TM-201/202)
1.5(H)x 2.2(W) x 5.1(L) inch(TM-201/202)
38 (H) x 55(W) x 172(L) mm(TM-204/205)
1.5(H)x 2.2(W) x 6.8(L) inch(TM-204/205)
Sensor: 25(H) x 55(W) x 80(L) mm(TM-201/202)
9.8H)x 2.2(W) x 3.1(L) inch(TM-201/202)
Weight 250 g (include battery)
Accessories User’s manual,carrying case,9V
battery,3ψplug (TM-202)
Length of wring for light sensor:Approx. 1.5M
(TM-201/202)
TM-201/202/204/205
EN-5
6. OPERATION PROCEDURE
1. Open the carrying case.
2. Press the “⊙” button to rurn power on or off
3. Remove the cap of the light sensor, Put the light
sensor at the spot where the testing of source of
light is to be conducted, auto testing will then be
conducted by the meter, read the testing value after
the reading indicated becomes stable.
4. When “OL” is shown at the highest position at the
left lateral side, overload is indicated, then please
choose another range that is located at a
comparatively higher position.(TM-201/202/204)
5. If you want to keep the reading value on the LCD
permanently after testing, press the “D-H” Key
whereby the reading value will be locked
permanently up. Press the “D-H” Key once again
when you want to release the previous locking.
6. After testing, put the cover of the light sensor back
to its former position, and turn off the switch.
7. After testing is completed, the indication value
should be 000 no matter what its range would be
after putting the cap of the light sensor back to its
former position. Please adjust 0 ADJ to enable LCD
to indicate 000 if zero cannot be recovered. If zero
still cannot be recovered, it means that the meter
breaks down.(TM-201/202/204)
8. Press the ZERO button for the zero adjustment if
any digits is appeara (TM-205)
NOTE.：When the light sensor cap is not attached
“CAP” is indicated. Make sure that it is attached.
TM-201/202/204/205
EN-6
If performing the zero adjustment after powering
on, several digits may not disappear. In this case,
perform the zero adjustment again.
7. INSTRUMENT DESCRIPTION
(See Fig.1/ Fig.2)
1. Display(LCD): Display measurements and function
symbols.
2. Power Button: ON/OFF switching.
3. MAX button: Lock up MAX or MIN (TM-202/205),
value of LCD. Press M-H or MAX again to resume
normal measuring. (TM-201/204) Press M-H or
MAX 1 second to resume normal measuring. (TM-
202 or TM-205)
4. Lux/Fc button: For select Lux and Fc.
5. DATA HOLD button: The reading data shown on
LCD can be locked while pressing the button.
6. Range button.
7. DC analog output terminal. (TM- 202) 3Ø plug
DC Analog Output Value
Range Output
20 Lux/FC 1 Lux/Fc=10mV
200 Lux/FC 1 Lux/Fc=1mV
2000 Lux/FC 1 Lux/Fc=0.1mV
20000 Lux/FC 1 Lux/Fc=0.01mV
200000 Lux 1 Lux=0.001mV
Table1
TM-201/202/204/205
EN-7
8. Zero Adjustment.
9. Photo detector.
Fig.1(TM-201/202)
TM-201/202/204/205
EN-8
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