Tenmars TM-291 Bedienungsanleitung

Electrostatic Meter

TM-291

User’s Manual

HB2TM2910000

Contents

1 Introduction........................................................ 1

2 Accessories ....................................................... 1

3 Safety Precaution .............................................. 1

4 Instrument Description....................................... 2

5 Operation........................................................... 3

5-1 Disable Auto Power Off Mode.................... 4

5-2 Zeroing....................................................... 4

5-3 Manual record mode.................................. 4

5-4 Display logs mode ..................................... 5

5-5 Backlight Mode.......................................... 5

5-6 Setting mode.............................................. 5

6 Specifications..................................................... 7

7 Maintenance or Repair ...................................... 8

8 Battery Replacement ......................................... 8

9 Product Disposal................................................ 8

1Introduction

This contactless precise electrostatic field meter can

immediately sensor the static voltage on a charged body

without contact. The measuring range is 0.010kV ~

20.000kV with the sensing distance 1 inch (2.54cm).

The meter provides alarm function for prompt.

2 Accessories

Meter

User’s Manual

9V alkaline battery

Carrying case

3 Safety Precaution

Caution! 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.

4 Instrument Description

1. Sensor

2. LCD display

3. +peak value (max.

value)

4. -peak value (min.

value)

5. Zero setting button

6. Power button

7. Function Setting button

8. Record readings / up

button

9. Display logs / down

button

10.Data hold

11.Backlight button

12.Grounding socket

13.Tripod nut

14.battery cover

15.Grounding wire

16.Crocodile clip

17.Protection cap

5 Operation

Before use, the meter must be grounded. Please

choose one of the following two methods to ground the

meter:

1. The first method is connecting the meter's ground

socket with one end of the grounding wire of

accessory and connecting to the earth end of the

building with another end of the grounding wire, or

connecting to the electrical socket for earthing, or

clamping the earth end with a crocodile clip.

2. The second method is the operator wears the

anti-static wrist strap and connecting to the earth

end of the building with another end of the anti-static

wrist strap. Note that the anti-static wrist strap is not

an accessory and shall be prepared by yourself.

During the measuring for static voltage, please

fasten ceramic spacers on the fix-threads besides the

sensor. Keep the sensor from the area under test for 1

inch (2.54 cm).

Click the Power button.

Make sure the meter is grounded before operating.

Aim the sensor point to the area under test, keeping

your fingers away from the area under test as possible.

Read the value (static voltage value) on the LCD.

As completing a measurement, click the

button to lock the reading permanently to hold the

Warning

The meter must be securely

grounded during measuring, and the

hold

ing position not close to the

sensor

so to avoid the risk of electric

shock.

reading on the LCD for a long time; click the

button again to unlock to unlock the reading.

Click the button to continuously update the

maximum measuring value on the LCD to keep the

+peak value (max. value), click the button again

to cancel.

Click the button to continuously update the

minimum measuring value on the LCD to keep the -peak

value (min. value), click the button again to

cancel.

5-1 Disable Auto Power Off Mode

The meter will automatically power off after

powering on for about 15 minutes. The LCD

displays symbol at the mode. If to

disable the function, press and hold the

button for more than 2 seconds.

5-2 Zeroing

Prior to measuring the static voltage, click the

button for more than 2 seconds to clear the reading if an

old reading survived on the LCD. (Note: Set the static

voltage of the surrounding environment to be 0, if not,

the measuring may be biased.)

5-3 Manual record mode

At measuring mode, click button to record

the present reading, the records can be logged up to 99.

5-4 Display logs mode

At measuring mode, click button to display

the readings of logged data while MEM symbol appears

on the LCD. Click button again to quit the mode.

Click button or button to select the

number of logs.

5-5 Backlight Mode

During measuring, click button to turn on the

backlight of LCD for 15 seconds and then turn off

automatically.

5-6 Setting mode

Press button repeatedly and enter the settings of

Step 1 to 4 sequentially.

Step 1. Set (HI) + alarm

1. While the LCD displays SET1 HI symbol, Press

or to move digits, press or

button to change the settings.

2. Quickly press button again and enter Step 2.

Step 2. Set (LO)- alarm

1. While the LCD displays SET2 LO symbol, Press

or to move digits, press or

button to change the settings.

2. Quickly press button again and enter Step 3.

Step 3. Set the alarm on or off

1. While the LCD displays SET3 and symbols,

press or button to change as

or OFF.

2. Quickly press button again and enter Step 4.

Step 4. Clear memory

1. While the LCD displays SET4 dEL symbol, press

or button to change as

or . As is chosen, press

button to get memory cleared.

2. Quickly press button to quit the settings

status.

PS: If to quit the settings status, press

button in any step.

6 Specifications

Display for readings: Liquid crystal display (LCD) of

4 1/2 digits with the displaying value up to 19999.

Resolution: 0.001KV.

Measuring range：-19.999KV～+19.999KV

Accuracy: ±(5%+10dgt).

Overloading indication: OL.

Sampling period: 2 times per second.

Battery: 9V NEDA 1604、IEC 6F22 or JIS 006P.

Battery life: Approximately 100 hours.

Operation temperature and humidity: 5 to 40oC (41

to 104oF); < 80%RH.

Storage temperature and humidity: -10ºC to 60ºC

(14 to 140oF), < 70%RH.

Weight: Approximately 210g.

Dimension: 148(L)x65(W)x37.5(H)mm.

Professional and precise static voltmeter with

resolution of 0.001kV.

Function including Data lock (HOLD), Max. value

(+PEAK) lock, Min. value (-PEAK) lock, Record

(REC) the displayed value, Display the logged data

(R-M), Zeroing (ZERO)

High voltage alarm:+/- 18.000KV。

Alarm setting:0.001KV～18.000KV

Auto power off (for about 15 minutes).

Battery low display .

Overload display OL.

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