ST VA8010 Manuale utente
TEMPERATURE / HUMIDITY
/DEW POINT METER
Users Manual
■. Introduction
Thank you for purchasing the temperature/humidity/dew
point meter from us. Please take a few minutes to
browse through this user manual before you begin to
operate the meter to ensure that you are fully
familiarized with how best to operate the meter as
accurately and safely as possible.
The meter is a temperature and humidity measuring
instrument. It is normally used to measure the humidity
and temperature in offices, storerooms, buildings and
greenhouses.
1.1 Precautions safety measures
To get the best service from this meter, please read this
user's manual carefully and observe the detailed safety
precautions strictly.
1.1.1 During use
1. Don't touch the humidity sensor.
2. Don't expose the sensor to direct light, this causes a
false reading.
3. Never store the product together with solvents,
acides or other aggressive substances.
1.1.2 Maintaining the product
Do not measure at a high temperature places.
When not using the instrument for a long time,
please remove the battery and avoid storing in high
temperature and high humidity.
■. Features
1. Display: 4 digits LCD Display
2. Parameters: ℃,℉, %RH(relative humidity),
td(dew point temperature)
3. Resolution: 0.1℃, 0.1℉, 0.1%RH
4. Range: -10 ～+50℃, +14 ～+122℉,
0～+100%RH
5. Accuracy: ±1.0℃, ±1.8℉, ±3%RH（5～95%RH）
6. Sample rate: 1 time /sec
7. auto power off: about 20 minutes
8. Operating environment:
-10 ～+50℃, +14 ～+122℉
9. Storage environment:
-20 ～+60℃, -4 ～+140℉
10. Dimension and Weight (LxWxH) :
121x60x30mm (4.76x2.36x1.18 inch),
about 180g (6.34 Ounces)
11. Accessories: DC1.5V (AAA) x 3pcs
String x 1pcs
Users manual x 1pcs
■. Names of parts
Instrument Familiarization
1. Sensor cover
2. Sensor
3. LCD display
4. Function key
LCD Display
ON/OFF
Unit Mode Hold
Light
Temperature/Humidity
/Dew point Meter
The meaning of the symbols represented by the
following：
1. Indicating it is now in the data-holding state
2. Indication to back light
3. Display zone
4. Display zone
5. Maximum / Minimize
6. Humidity units
7. Temperature units
8. Indication to low voltage of the batteries
■. Operation Instruction
*NOTE: In order to ensure the accuracy of the
measurement readings, all the interference sources
which may affect the measurement results about
temperature and humidity (such as the hand) must be
away from the sensor.
1. Put the instrument with enough battery power in the
hand, press the ON/OFF key to turn the power on and
enter into the measuring mode. The LCD will display the
current value of temperature and humidity. The default
humidity / temperature unit is % RH / ℃.
2. Press Unit key to change the humidity / temperature
unit. The adjustable parameters are %RH(relative humidity),
td(Dew-point temperature), ℃,℉; press the Mode and
key to change MAX/MIN and HOLD mode.
3. Switching the back light on
When the meter is power on, press key >2sec.
the back light will be turned on, and the icon will
display on the LCD. Press the key once >2sec. the light
will be turned off, and the icon will disappeared.
If you still need more operations, please see the
description of function keys.
HOLD
Light
HOLD
Light
■. Function keys
1. ON/OFF key
Press the key to turn the power ON and press the key
once more >2sec. to turn the power OFF.
2. Mode key
Press the key can select the state of MAX、MIN.
LCD will display the max/min values since the
instrument was last switched on or last reset.
3. Unit key
Press the key can change the parameter unit.
Adjustable units: %RH/℃,td/℃,%RH/℉,td/℉.
4. key
Press the key, a icon will display on the LCD and the
readout held in. Press the key once more to cancel the
hold function.
Press the key >2sec. the back light will be turned on,
and the icon will display on the LCD. Press the key
HOLD
Light
once >2sec. the light will be turned off, and the icon will
disappeared.
5. Auto power off setting
When the meter is powered on, it is under auto power off
mode. The meter will power itself off after 20 minutes if
no key operation.
Cancelled auto power off function: press Hold key when
power on until the LCD display AP OFF, then press the
Hold key again to confirm the setting.
■. Maintenance
1. CLEANING INSTRUCTIONS
The meter may be wiped down with a wet sponge or
cloth using a mild water based detergent or
anti-bacterial soap and rinsed under a gentle stream
of cold water.
NOTE:
This unit is not designed for complete submersion or
washing in water.
2. BATTERY REPLACEMENT
Use the following procedure:
When the battery voltage drop below proper operation
range the symbol will appear on the LCD display
and the battery need to be replaced.
Press the battery cover and towards arrowhead
direction to open the battery cover.
Replace the battery with three new 1.5V batteries
(AAA).
Replace the battery cover.
Sifam Tinsley Instrumentation Inc.
2105 Barrett Park Drive, Unit 105, Kennesaw, GA 30144
Contact No. : +1 678 881 0008
E-mail Id : psk@sifamtinsley.com
Web : www.sifamtinsley.com
WLS2102
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