AC Tool Supply RH350-NIST Benutzerhandbuch - Seite 3

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Operation

Open the Protective Sensor Cap
Twist the protective sensor cap, located at the top of the meter,
counter-clockwise a quarter of a turn to expose the sensors.
Turn Power ON or OFF
Press the [ON/OFF] button to turn power on or off. The meter will
perform a short self-test when turned on.
Taking measurements
1. Hold the probe in the area to be tested.
2. Allow adequate time for readings to stabilize.
3. The Relative Humidity measurement appears in the right display along with the date and time.
4. Air Temperature appears in the top left display.
5. Wet Bulb is in the lower left display.
6. Pressing the [T1
temperature, Air-T1, and DP (Dew Point).
7. Pressing the [T2
and T1-DP (Dew Point).
SETUP
When the meter is off, press and hold the [ON/OFF
mode. Prnt will appear on the display.
1.
Selecting temperature units of measure (C/F)
Momentarily press the [T1
Press the [MEM] button to toggle between C or F.
Press the [T2
] button to confirm the setting and return to normal operation.
▲
WB
2.
Setting the Date/Time (24 hour clock)
] button to select Year, Month, Day, Hour and Minute in sequence.
Press the [T1
T/DP
SEL
Press the [MEM] button to change the settings.
Press the [T2
] button to confirm the date/time setting and return to normal operation.
▲
WB
Data Hold
Press the [REC
] button momentarily to freeze the displayed reading. The 'HLD' icon will appear
HOLD
on the upper right-hand side of the display. Press the [REC
operation.
Minimum (MN) Maximum (MX) Average (AVG) Function
The MIN/MAX/Average mode allows the user to view only the lowest (MN), highest (MX) or average
readings. Press the [M
showing the lowest humidity and temperature readings in memory. Press the [M
and MX appears on the display. The display is now showing the maximum humidity and temperature
readings in memory. Press the [M
memory. To exit the MIN/MAX/AVG mode, press the [M
min/max/avg readings in memory, press and hold the [M
actoolsupply.com
] button toggles the top left display between Air temperature, T1
T/DP
SEL
] button toggles the lower left display between WB (Wet Bulb), T1-T2, T2,
▲
WB
] button until "unit" appears in the display.
T/DP
SEL
/AV
] button once and MN appears on the display. The display is now
in
RST
/AV
] button again to display the average (AVG) readings in
in
RST
actoolsupply.com
] button for more than 2 seconds to enter setup
SET
] button again to return to normal
HOLD
/AV
] button. To clear the current
in
RST
/AV
] button for more than two seconds.
in
RST
3
/AV
] button again
in
RST
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