Tenmars TM-802 Manuel utilisateur
TM-802
Formaldehyde Meter
User’s Manual
HB2TM802000
TM-802
1
Content
1 INTRODUCTION ···········································2
2 ACCESSORY ··············································· 2
3 SAFETY PRECAUTION ·································2
4 METER DESCRIPTION ··································3
5 OPERATION ················································ 3
5.1 Switch Unit ································4
5.2 Auto power off········································4
5.3 LED back light ·······························5
5.4 Record values of the maximum,
the minimum and the average ··················5
5.5 Switch the SETL or TWA Expression of
Formaldehyde·······································5
5.6 Read value holding function ··········6
5.7 Alarm setting··········································6
5.8 Manual recording····································7
5.9 Record reading ······································7
5.10 Clear record·········································8
5.11 Calibration ···········································8
6 FORMALDEHYDE HAZARDS ·························12
7 GENERAL SPECIFICATIONS: ························ 15
8 ELECTRICAL SPECIFICATIONS: ···················· 17
8.1 Formaldehyde········································17
8.2 Humidity ···············································17
8.3 Temperature··········································17
9 SAFETY AND MAINTENANCE STANDARDS ····17
10 BATTERY REPLACEMENT··························· 18
11 END OF LIFE··············································18
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1
INTRODUCTION
➢Measure the formaldehyde density, temperature,
humidity in the environment simultaneously
➢Monitor the occupational safety in TWA (8 hours)
and STEL (15 min)
➢Use the high-precision electrochemical sensor for
formaldehyde measurement
2
ACCESSORY
1Meter
1User manual
6UM-4(AAA)1.5V battery
1Carrying case
3
SAFETY PRECAUTION
Note! Please refer to this manual.
Improper use may damage the meter and
its components.
Complies with European Directive.
Do not operate in environments with flammable gas or
humid environments.
Operating altitude: up to 2000M.
Operating environment: Indoor use; Pollution degree
2.
Clean with soft cloth when dirty, such as glasses cloth.
Do not clean with chemicals and other solvents.
EMC: EN61326-1:CISPR 11:Group 1, Class B
Class B – Equipment for use in all establishments other
than
domestic.
Group 1 – RF energy generated is needed for internal
functioning.
TM-802
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4
METER DESCRIPTION
Fig. 1 Description of meter:
1. Formaldehyde sensor
7. Maximum hold and data
hold button
2. Temperature and
humidity sensor
8.Left button/REC record
button
3. LCD display
9. Settings function button
4. Power switch button
10. DC voltage input jack
5. Data hold button
11. Tripod
6. Back light button
12. Battery cover
5
OPERATION
1. Press button for more than 2 seconds to turn
power on.
2. After the warm-up time about 5 minute, the
measurement screen will display.
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5.1
Switch Unit
Press to select the formaldehyde unit of PPM
or mg/m3;
Press for 2 seconds to select ℃ or °F.
5.2
Auto power off
When any operation stopped for about 15 minutes, it
will shut down automatically.
Turn off the auto power off function: at shutdown mode,
press button and then press button to
boot, LCD will display n-SL, indicating that the
automatic shutdown function has been turned off.
Restart to restore the automatic shutdown function.
TM-802
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5.3
LED back light
Press button to turn back light on or off.
When turned on, the back light will be turned off
automatically after 15 seconds.
5.4
Record values of the maximum, the
minimum and the average
Press button to start the function, press
button once again to select the modes of
maximum (MAX), minimum (MIN) or average (AVG)
displayed on the LCD sequentially.
Press button for 2 seconds to turn this function
off.
5.5
Switch the SETL or TWA Expression of
Formaldehyde
Press button to select the modes of SETL, TWA
or normal.
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6
TWA: the average total value in 8 hours (Summarize
and average the values every 3 minutes, and
update every 3 minutes)
STEL: the total average value in 15 minutes
(Summarize and average the values every 15
minutes, and update every 15 minutes)
5.6
Read value holding function
Press button to start or stop the data holding
function.
5.7
Alarm setting
Press button for 2 seconds to enter the alarm
mode.
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Press button to select the alarm turn on (A-on)
or turn off (A-oF).
After selected, press button to return to the
normal mode.
After start the alarm mode as (A-on), press button
to select the alarm value, including
0.1/0.3/0.5/0.75/1.00/1.50/2.00/3.00/5.00/0000, press
button after the alarm value determined, finish the
setting of alarm and turn on it.
※Under the alarm mode, the automatic shutdown
function will be canceled.
5.8
Manual recording
In the normal state, press and button
simultaneously to record a data, the screen will display
the icon and the number of records;
5.9
Record reading
In the normal state, press and button
simultaneously to enter the reading mode. The screen
will display the icon and the number of records, and
TM-802
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then display the record data. Press button to
select the number of records; if to exit the reading
mode, press button to exit, or wait without
pressing any button for 15 seconds to exit
automatically.
5.10
Clear record
In the manual reading state, press button for 2
seconds to clear the records.
5.11
Calibration
※ As calibrating, please keep away from the organic
gases such as alcohol to avoid to interfere the
concentration of formaldehyde.
At shutdown status, press and button
simultaneously, then press button to enter the
calibration mode.
As entering the calibration mode, you may decide
whether to reset as the factory defaults by pressing
or button.
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Then, press button, verify and access the
calibration screen of each point; or press to
exit.
Press button, you may select the items
sequentially: formaldehyde 0PPM calibration,
formaldehyde 0.5PPM calibration, 33% RH
calibration, 75% RH calibration, temperature
calibration; or press button to exit.
Formaldehyde 0PPM calibration:
Press button to select the 0PPM calibration
screen.
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