Lutron Electronics LM-8010 Manuel utilisateur
CMM, CFM
Anemometer, Hygrometer
Light Meter, Thermometer
Model : LM-8010
Your purchase of this
METER marks a step
forward for you into the
field of precision
measurement.
Althou
g
h this METER is
a complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operatin
g
techniques are
developed. Please read
the followin
g
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL
TABLE OF CONTENTS
1. FEATURES................................................................1
2. SPECIFICATIONS......................................................2
3. FRONT PANEL DESCRIPTION....................................
.
5
3-1 ON/ESC Button...................................................
.
5
3-2 Hold Button........................................................
.
5
3-3 REC/Enter Button.................................................5
3-4 Unit/Zero/ ( CFM/CMM ) Button........................5
3-5 / / , Lux/Ft-cd, Area-Set Button....................℃℉▲ 5
3-6 Function/ Button..............................................▼5
3-7 Anemometer Sensor............................................5
3-8 Thermocouple Input Socket.................................
.
5
3-9 Humidity Sensor..................................................5
3-10 Li
g
ht Sensor......................................................5
3-11 LCD display.......................................................5
3-12 Battery Compartment / Cover.............................5
3-13 Wristlet.............................................................5
4. MEASURING PROCEDURES........................................6
4-1 AIR VELOCITY MEASUREMENT............................
.
6
4-2 TEMPERATURE MEASUREMENT
(Thermocouple)..................................................6
4-3 RELATIVE HUMIDITY MEASUREMENT...................7
4-4 LIGHT MEASUREMENT........................................
.
7
4-5 AIR FLOW (CFM. CMM) MEASUREMENT................7
5. OTHER FUNCTIONS..................................................9
6. BATTERY REPLACEMENT...........................................10
7. OPTIONAL THERMOCOUPLE PROBE AND
OTHER ACCESSORIES.............................................
.
11
1. FEATURES
* 5 in 1 professional measuring instrument: Anemometer,
Air flow, Hygrometer, Thermometer, and Light meter.
* Tiny bone shape with lightweight and small size case design
are suitable for handling with one hand.
* Wristlet design provides extra protection to the instrument
especially for user one hand operation.
* Low-friction ball bearing mounted wheel design provides
high accuracy at high and low air velocity.
* Exclusive photo diode and color correction filter light sensor,
spectrum meets C.I.E. photopic.
* High precision thin-film capacitance humidity sensor with
fast response to the humidity changes.
* Standard type K (NiCr-NiAl) thermocouple input jack
suitable for all kinds of type K probe.
* Built- in microprocessor circuit assures excellent
performance and accuracy.
* Concise and compact buttons arrangement, easy operation.
* Memorize the maximum and minimum value with recall.
* / selectable by pressing button on the front panel.℃℉
* Lux/Feet-candle selectable by pressing button on the front
panel.
* Air velocity measuring units selectable by pressing button on
the front panel for five kinds of units.
* Air flow ( CFM. CMM ) measurement can set the desired area
dimension.
* Multi channel display for relative humidity and temperature
measured values or air velocity and temperature measured
values at the same time.
* Zero button design makes light meter calibration.
* Hold function to freeze the current reading value.
1
2. SPECIFICATIONS
2-1 General Specifications
Display 8 mm LCD display
Measurement Anemometer, Humidity, Temperature,
Light, Air flow ( CFM/CMM ).
Operating Max. 80% RH.
Humidity
Operating 0 to 50° C (32 to 122° F)
Temperature
Over Input Indication of "- - - - "
Display
Power Supply 006P DC 9V battery (Heavy duty type)
Power Approx. DC 6.2 mA
Consumption
Weight 160g (battery included)
Dimension
HWD :
156x60x33 mm
6.14x2.36x1.29 inch
Standard Instruction Manual
Accessory
Optional Carrying case.
Accessories Temperature probe ( Please refer to
page 9 ).
2
2-2 Electrical Specification ( 23 ±5 )℃
Measurement Range Resolution
Air velocity ft/min 80 to 5,910 ft/min 1 ft/min
m/s 0.4 to 30.0 m/s 0.1 m/s
km/h 1.4 to 108.0 km/h 0.1 km/h
MPH 0.9 to 67.0 mile/h 0.1 MPH
knots 0.8 to 58.3 knots 0.1 knots
Temperature 32 to 122 ℉0.1 ℉
( thermister) 0 to 50 ℃0.1 ℃
Measurement Range Resolution
Air flow CMM 54,000 CMM 0.001 to 1
cube meter/min CMM
CFM 1,908,400 CFM 0.001 to 100
cube feet/min CFM
Measurement Range Resolution
Humidity % RH 10 to 95 %RH 0.1 %RH
Temperature 32 to 122 ℉0.1 ℉
( thermister) 0 to 50 ℃0.1 ℃
Measurement Range Resolution
Light Lux 0 to 2,200 Lux 1 Lux
1,800 to 20,000 Lu
x
10 Lux
* auto range
Ft-cd 0 to 204.0 Ft-cd 0.1 Ft-cd
170 to 1,860 Ft-cd 1 Ft-cd
Measurement Range Resolution
Temperature ( Type K ) -148 to 2,372 ℉0.1 ℉
-100 to 1,300 ℃0.1 ℃
3
Measurement Range Accuracy
Air velocity 80 to 5,910 ft/min
0.4 to 30.0 m/s 20 m/s : ± 3% F.S.≦
1.4 to 108.0 km/h > 20 m/s : ± 4% F.S.
0.9 to 67.0 mile/h
0.8 to 58.3 knots
32 to 122 ℉±2.5℉
0 to 50 ℃±1.2℃
Remark :
ft/min : feet per minute MPH : miles per hour
m/s : meters per second knots : nautical miles per hour
km/h : kilometers per hour Ft-cd : feet candle
Measurement Range Accuracy
Humidity 10 to 95 %RH
< 70% RH :
±4%RH
70% RH :≧
: ± ( 4%rdg + 1.2 %RH )
32 to 122 ℉±2.5℉
0 to 50 ℃±1.2℃
Measurement Range Accureacy
Light 0 to 20,000 Lux ± 5% rdg ± 8 dgt
0 to 1,860 Ft-cd
Measurement Range Accuracy
Temperature -148 to 2,372 ℉± (1% rdg + 2 )℉
( Type K ) -100 to 1,300 ℃± (1% rdg + 1 )℃
Measurement Area setting
CMM 0.001 to 30.000 meter square
CFM 0.01 to 322.92 feet square
4
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 ON/ESC Button 3-6 Function/ Button▼
3-2 Hold Button 3-7 Anemometer Sensor
3-3 REC/Enter Button 3-8 Thermocouple Input Socket
3-4 Unit/Zero/
3-9 Humidity Sensor
( CFM/CMM ) Button. 3-10 Light Sensor
3-5 / /℃℉▲ 3-11 LCD display
Lux/Ft-cd 3-12 Battery Compartment / Cover
Area-set Button 3-13 Wristlet
5
4. MEASURING PROCEDURE
4-1 Air Velocity Measurement
1) Power on the instrument by pressing the " ON Button "
( 3-1, Fig. 1 ).
2) Select the Anemometer function by pressing " Function
Button " ( 3-6, Fig. 1 ).
3) Press the " Unit/Zero Button " ( 3-4, Fig. 1 ) to select
unit that you want and then face the " Anemometer Sensor "
( 3-7, Fig. 1 ) to the source of wind.
4) Allow time for the reading to become stable and note the
value indicated. From a practical point of view the velocity
may fluctuate.
4-2 Temperature Measurement ( Thermocouple )
1) Power on the instrument by pressing the " ON Button "
( 3-1, Fig. 1 )..
2) Plug a type K thermocouple probe in the " Thermocouple
Input Socket " ( 3-8, Fig. 1 ).
3) Select the Temperature function by pressing " Function
Button " ( 3-6, Fig. 1 )
4) Press the " / Button " ( 3-5, Fig. 1 ) to select or unit.℃℉ ℃ ℉
5 Contact the Thermocouple Sensor Head with measuring
object and the reading value will be displayed on the LCD
display.
Measuring Consideration of Temperature
Measurement ( Thermocouple )
* Please make sure the polarity is correct when you plug a
thermocouple probe in the Temp. input socket.
6
* The temperature difference between thermocouple
probe and thermometer will cause an inaccurate
measuring result. Therefore, for the best measuring
and accuracy performance, whenever change a probe or
plug a new probe, thermal equivalent between probe
plug and meter's input socket is a necessary condition.
Thermal equivalent procedure may take few minutes
and apply only when the probe has been exposed to an
ambient temperature different from the meter.
4-3 Humidity & Ambient Temperature Measurement
1) Power on the instrument by pressing the " ON Button "
(3-1, Fig. 1).
2) Select the Relative Humidity function by pressing
" Function Button " ( 3-6, Fig. 1 ).
3) At the mean time the reading value of relative humidity
and temperature will be displayed on the LCD display.
4) When the meter is applied in a new environment, a few
minutes are required to reach a stable condition.
4-4 Light Measurement
1) Power on the instrument by pressing the " ON Button "
( 3-1, Fig. 1 ).
2) Select the Light Measurement function by pressing the
" Function Button " ( 3-6, Fig. 1 ) until the light value is
displayed. The light display digits are oriented 180° from
the other function displays for easy exposure and output
reading of the light sensor.
3) Press the " Lux/Ft-cd Button " ( 3-5, Fig. 1 ) to
select measuring unit " Lux " or " Ft-cd ".
7
Zero Offset Adjustment of Light Function :
* For best results zero the light sensor prior to use in a
dark environment. Placing the light sensor end of the
meter under a desktop or flat surface so as to block
any light can accomplish this. Then press the
" Unit/Zero Button " ( 3-4, fig. 1 ) to set the meter
indication to zero.
* Zero point can drift due to environment temperature
and battery power change as well as for other reasons.
It is recommended that the zero be checked
frequently using the above procedure.
* Zero adjustment only can be executed if the lmeasurement
Light value 20 Lux.≦
4-5 AIR FLOW (CFM. CMM) MEASUREMENT
1) Power on the instrument by pressing the " ON
Button " (3-1, Fig. 1).
2) Select the Air Flow function by pressing
" Function Button " ( 3-6, Fig. 1 ) until the display show
unit of CMM or CMM.
* Air flow unit " CFM " or " CMM " can be select by
pressing the " CFM/CMM Button " ( 3-4, Fig. 1 )
* Area size can be set by by pressing the " Area-Set
Button " ( 3-5, Fig. 1 ), then use the
Button ( 3-5, Fig. 1 )▲
Button ( 3-6, Fig. 1 )▼
Button ( 3-4, Fig. 1 )
to select the desired area size.
8
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