Tenmars TM-802 User manual

TM-802

Formaldehyde Meter

User’s Manual

HB2TM802000

TM-802

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

TM-802

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

ACCESSORY

1Meter

1User manual

6UM-4(AAA)1.5V battery

1Carrying case

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

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

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

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.

TM-802

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

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.

TM-802

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.

TM-802

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

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.

TM-802

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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