Mastech MS6508 User manual

MS6508
Temperature Humidity Meter
01 02
Brief Introduction
This is a battery meter for measuring relative
humidity and temperature. It can display three types
of temperatures around the sensor's air via several
convenient procedures: The ambient temperature,
the dew-point temperature and the wet bulb
temperature.
MAXMIN
DEW
POINT
BULB
WET
HO LD M EM
READ
DP
WB
MIN
MEM
C/F
H
04
Operation
Notice
When moving the meter from one atmosphere with
extreme temperature or humidity to another, you need
to wait for its stability.
Press to start the meter and read the measurements
displayed by °C or °F.
Press to switch.
Dewpoint & Wetbulb
When starting the meter, the ambient temperature
appears on the screen. To obtain DP, press a first time
DP
WB
, and press DP
WB
for a second time, WB is switched.
DP
WB
back. A corresponding si gnal will b e shown on
the screen indicating DP and WB.
Holding
Hold the button Press H to freeze the current
reading, and stop the meter from displaying
the measurements. When the
HOL D
(HOLD) function
is actived,the screen displays
HOL D
.To continue reading
the mesured value,press
HOL D
again.
C/F
Press a third time, to get the ambient temperature
03
MAXMIN
DEW
POINT
BULB
WET
HOL D M E M
Display Screen
NO.
1
explanation
Low battery
Automatic power-off mark
Display wet bulb temperature or
dew-point temperature
Temperature measurement unit
Relative humidity measurement unit
MEM, RAM position number
Max-min
Hold function actived.The screen
freezes the current reading
2
3
4
5
6
7
8
1
2
34
6
5
78
FRO N T PANE L
MS6508
Sensor
Dew-point
Wet-bulb
Ambient
temperature
Display
screen
Data holding
Data preserving
Automatic
power-off
Power
Max-min
Data recall
Backlight
Unit switch
MAXMIN
DEW
POINT
BULB
WET
HO LD ME M
READ
DP
WB
MIN
MAX
MEM
H
C/F
MS650 8

HYS006704
05 06
Automatic power-off
To pr olong the l ife-spa n of the batt ery, this meter
offers an automatic power-off functi on, and it cl oses
without operation in 30 minutes. This function is
approved. Just press if closing it for longer
measurement, and disappears. Do it again, the
automatic power-off is on.
The backlight
Press to start the backlight, press again
to close the backlight. If starting without automatic
power-off, it will close after 15 seconds.
Maintenance
Replace the batteries
The meter is charged with four 1.5(AAA type) batteries.
When appears, the batteries should be replaced as
soon as possible. Follow the instructions:
1. unscrew the top of the entrance.
2. Get th e batteries out.
3. Install four unused AAA batteries in accordance
with polarity descripted at the bottom.
4. reload the entrance and fasten the screw.
07 08
Specification
Ambient temperature
Range: -20 to 60°C (-4 to 140°F)
Precision: ±0.5°C (0 to 45°C)
±1.0°C (-20 to 0°C,45 to 60°C)
Resolution: 0.1°C/°F
Update rate: 400ms
sensor's type: High-Precision digital sensor (SHT75)
RH
Range: 0 to 100%RH
Accuracy : ±3.0% RH (10% to 90%)
±4.0% RH (0% to 10%,90% to 100%)
Resolution: 0.1%
Update rate: 400ms
Sensor's type: High-precision digital sensor
WB
Range: -20 to 60°C (-4 to 140°F)
Precision : ±1.0°C (0 to 45°C)
±1.5°C (-20 to 0°C，45 to 60°C)
Resolution: 0.1°C/°F
Update rate: 400ms
DP
Range: -50 to 60°C (-58 to 140°F)
precision : ±1.0°C (0 to 45°C)
±1.5° C (-50 to 0°C，4 5 to 60°C)
Resolution: 0.1°C/°F
Update rate: 400ms
RAM: 99 data point
Power: 4 AAA batteries
Weight/size: 190g (batteries included)
184mm ×60mm×2 9mm
Max-min
Pressing , Max-min is set up, and max updates
MIN
MAX
constantly, press MIN
MAX again, it is min. The two stations
can be switched. If turn off, you need to press MIN
MAX for
two seconds; a sound shows that this function has been
turned off. Max means that the peak of temperature and
humidity, while min is the lowest reading.
Saving and transferring the measurements
This meter is able to save 99 groups reading for
transferring. Press MEM to save the reading, an d its
location displays at the screen's upper right corner.
After two seconds, the meter comes back to the normal
state; If RAM is filled fully, the meter will cover the
stored data from No.1 RAM and keep the reading.
When transferring the saved figure, press READ to ent er
MEM check-up. At this time, DP
WB and are used to
change the page. To exit it, press READ again. In the state
of check-up, press MEM for five se conds and “ 00”is
displayed at the screen's right upper corner, which
means RAM is cleared.
C/F