Multi-functions
Environment Tester
User’s Manual
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Multi-functions Environment Tester
1. Safety Information
Read the following safety information carefully
before attempting to operate or service the meter.
Use the meter only as specified in this manual,
otherwise, the protection provided by the meter may
be impaired. With proper use and care, your digital
meter will provide you satisfactory service for years.
1.1 Preliminary
1.1.1 When the meter is delivered, check that it has
not been damaged in transit.
1.1.2 When poor condition under harsh preservation
or shipping conditions caused, inspect and
confirm this meter without delay.
1.2 During use
1.2.1 Operate the meter under the condition of stated
temperature and humidity.
1.2.2 If any faults or abnormalities are observed, the
meter can not be used any more and it has to be
checked out.
1.2.3 Please do not store or use meter in areas
exposed to direct sunlight, high temperature,
humidity or condensation.
1.2.4 Don't touch or manipulate the sensor.
1.2.5 Don't expose the sensor to direct light, this
causes a false reading.
1.2.6 Don't expose the sensor to static electricity.
1.2.7 Never dip the sensor directly in the water or
impregnant.
Multi-functions Environment Tester
Multi-functions Environment Tester
1.3 Symbols
CE Comply with EMC
A Important safety information.
1.4 Maintenance
1.4.1 Repairs or servicing not covered in this manual
should only be performed by qualified personnel.
1.4.2 If it exists dust on the sensor, use clean air to
blow it away or use alcohol to scrub it away lightly.
Do not use other chemical impregnant for scrubbing.
1.4.3 Do not use abrasives or solvents on the meter,
use a damp cloth and mild detergent only.
1.4.4 Always set the power switch to the OFF position
when the meteris notin use.
1.4.5 If the meter is to be stored for a long period of
time, the batteries should be removed to
prevent damage to the unit.
2. Description
- This meter is a digital Multifunction Environment
Meters meter which combined the function of Sound
Level, luminometer, Relative Humidity Meter,
Temperature Meter and anemometer.
- This meter is a portable professional measuring
instrument with large LCD and back light for easily
reading.
- This meter has function of data hold.
- This meter has function of auto change range.
- This meter has function for measurement of MAX,
MIN, AVG and DIF (MIN-MAX) value.
- This meter has function of auto/manual power off.
- Low battery indication is provided.
2.1 Names of components
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(1) microphone
(2) LCD display
(3) “SET” -setting button
(4) “MODE” -mode button (13) TEMP/2RH” -
(5) “LUX” -illuminance Temperature/ Humidity
button button
(6) “dB” -Sound Level (14) illuminance Sensor
Meter button (15) windbreak
(7) B.L” -Back light button (16) Temperature/ Humidity
(8) Airflow Sensor Sensor
(9) “UNIT” -units button (17) Tripod connector
(10) “HOLD” -data hold button
(11) “ANEMO” -anemo button
(12) POWER” -power on/off
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Multi-functions Environment Tester
2.2 Button elucidation
* POWER Button
This Button is used to the switch of power.
*B.L Button
This button is used to the switch of back light.
* HOLD Button
This Button is used to the switch of data hold.
* MODE Button
This button is used to the switch of MAX,MIN,
AVG and DIF (MAX-MIN) value measure
* UNIT Button
This Button is used to transform the units of the
measurement.
* SET Button
This Button is used to setting the parameter of the
meter.
* TEMP/2RH Button
This Button is used to the switch of Temperature and
relative Humidity value measure.
* LUX Button
This Button is used to the switch of illuminance value
measure.
* ANEMO Button
This Button is used to the switch of wind speed or
airflow value measure.
* dB Button
This Button is used to the switch of sound level
value measure.
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Multi-functions Environment Tester
2.3 LCD illustration
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°C,°F Centigrade, Fahrenheit indication.
%RH Relative Humidity indication.
m/s,km/h,FPM,Knots The unit of wind speed indication.
CMM,CFM The unit of airflow indication.
ft?, m? The unit of area indication.
X10,X100 The multiplier indication of airflow
and illuminance.
Lux Theunitofilluminance indication.
dB The unit of Sound level indication.
A,C A-Weighting,C-weighting indication.
MAX The Maximum value is displayed.
MIN The Minimum value is displayed.
ACG The average value is displayed.
DIF The MAX-MIN value is displayed.
© This indicates auto power off is enabled.
This indicates that the display data is being held.
EH The battery is not sufficient for proper operation.
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Multi-functions Environment Tester
3. Specifications
3.1 General specification
3.1.1 Numerical Display: 4 digital Liquid Crystal
Display.
2 Response Time: about 2 times/second.
3 Operating Environment:
-10°C~60°C(14°F~140°F)
3.1.4 Storage Environment:
-10°C~50°C(14°F~122°F)
3.1.5 Power Requirements: Battery- One 9V
battery 006p or IEC 6F22 or NEDA1604
3.
3.
— >
3.1.6 Low Battery Indication: E#] displayed
3.1.7 Dimension: Meter-280(L)x 89(W)x 50(H)mm;
3.1.8 Weight: Approx.430g
3.2 Electrical specifications
3.2.1 Temperature
Range Resolution Accuracy
-10°C~60°C 0.1°C +1.5°C
14°F~140°F 0.1°F +2.7°F
3.2.2 Relative Humidity
Range Resolution Accuracy
20~80%RH 0.1%RH +3%RH@25°C
(<20, >80)%RH 0.1%RH +5%RH@25°C
Multi-functions Environment Tester
Multi-functions Environment Tester
Multi-functions Environment Tester
3.2.3 Sound level(dB)
Range Resolution Accuracy
30~130dB (A) 0.1dB +1.5dB
35~130dB (C) 0.1dB +1.5dB
Test condition: 94dB 1kHz sine wave
Response frequency: 100 - 8000HZ
3.2.4 llluminance (Lux)
Range Resolution Accuracy
0~2000Lux 1Lux +(5.0% of rdg+10digits)
at color temp. 2850K
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X100(50000) | 100Lux | 5856 je Pear
3.2.5 wind speed
Range Resolution Accuracy
0.5-20m/s 0.1m/s |+(3%of rdg+10digits)
1.8-72km/h 0.1km/h |+(3%of rdg+10digits)
100~4000FPM
0.1ft/s +(3%of rdg+10digits)
0.9-38.9knots
0.1knots |+(3%of rdg+10digits)
07
3.2.6 Airflow
Range Resolution Accuracy
0-999900CMM |+(3% of rdg+10digits)| 0-999.9m?
0-999900CFM |+(3% of rdg+10digits)| 0~999.9ft
4. Operating Instruction
4.1 Power-up
Press the “POWER?” button to turn the meter
ON or OFF.
4.2 Auto power off
By default, when the meter is powered on, itis
under auto power off mode, The meter will power
itself off after 20 minutes if no key operation.One
may press and hold "POWER" button and then
press “SET” button that auto power off is disabled
and the (4 will not show up.
4.3 Read hold
The user may hold the present reading and keep it
on the display by pressing the "HOLD" button.
When the held data is no longer needed, one may
release the data-hold operation by pressing
"HOLD" button again.
4.4 Backlight
If the light is dark to make the reading difficult when
measuring, you can press “B.L” button to open the
back light which will last for 10 sec. You can close
it up at any time once press “B.L” button again.
Note:
* LED is the main source of back light. lts working
currentis large, often use back light will shorten
the battery life, you'd better not to use the back
light so frequently unless it's necessary.
* When the battery voltage is less than 7V, it will
show “EX”. But if you use back light at the same
time, maybe “EX” will come up even if the battery
voltage is more than 7V, because the working current
is higher and the voltage will decline. (When “EH”
shows, the accuracy of the measurement can not
be assured.) You need not replace the battery. When
you use normally (back light is not using), “EH” will
not show up. You need replace it till “EY show again.
4.5 AVG/MAX/MIN/DIF measurement
When One press the "MODE" button, you can select
AVG/MAX/MIN/DIF(MAX-MIN) value to measure.
4.6 Temperature measurement
For measurement, place the sensor probe in the
tested environment. Press the button “TEMP/%RH”
to measure at 20 minute later. When the meter was
first power on, the default scale setting is set at
Celsius°C scale. The user may change it to
Fahrenheit°F by pressing “UNIT” button and vice
versa to Celsius by pressing “UNIT” button again.
4.7 Humidity measurement
For measurement, place the sensor probe in the
tested environment. When Press the “TEMP/% RH”
two times at 20 minute later, the meter will enter
Humidity measurement mode, the response time
of the sensor is 5 second.
Multi-functions Environment Tester
4.8 Sound level (dB) measurement
Move the sensor in front of the meter to the sound source.
Press the “dB” button to measure, and than the LCD
display will show the Sound level at the meter. When the
meter was first power on, the default scale setting is set
at A-Weighting scale.The user may change it to
C-Weighting by pressing “UNIT” button and vice versa
A-Weighting by pressing “UNIT” button again.
Note:
Strong wind striking the microphone call cause
misreading for measurement in windy locations, a
windscreen should be used in front of microphone.
4.9 llluminance(Lux) measurement
Move the sensor in front of the meter to light source in a
horizontal position. Press the “Lux” button to measure,
and than the LCD display will show the illuminance at
the meter.
4.10 Wind speed measurement
For measurement, place the sensor probe of anemometer
in the tested environment and to be sure the fan is in a
uprightness position to the air current and than press
the “ANEMO” button to measure. When the meter was
first power on, the default scale setting is set at m/s scale.
The user may change it to km/h,FPM and knots by pressing
“UNIT” button.
4.11 Air flow measurement
Before measurement, you must set the area of the air
current at first, the default value is 1.0m? press “SET”
button enter area setting, one may press “UNIT” button to
select which digit of the area to
Multi-functions Environment Tester
change and press “HOLD” button and “B.L” button to
change the selection to be a suitability value that you
need, at last you may press “SET” button to save the
setting. The next place the sensor probe of anemometer
in the tested environment andto be sure the fanisina
uprightness position face to the air current and thanpress
the “ANEMO” button to measure. When the meter was
first power on, the default units setting is set at CMM
scale. The user may change it to CF M by pressing
“UNIT” button,and than setting the area again.
Note:
While measuring the Wind speed and the Air flow,
Avoid direct sunlight.
4.12 Battery replacement
If the sign “EX” appears on the LCD display, it
indicates that the battery should be replaced. Turn
the unit off. Remove the battery cover. Replace the
exhausted battery with a new one. Put the battery
cover as its origin.
4.13 Use the tripod connector
If needed, the meter can be fixed on the tripod.
The meter also can be hanged up for use.
5. Accessories
(1) Battery: 9V 6F22 One piece
(2) Windbreak One piece
(3) Operating Manual One piece
(4) Sensor Probe Holder One piece Y
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