Bedienungsanleitung Benning ST 725 (Seite 33 von 71) (Deutsch, Englisch, Französisch)

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01/ 2015

BENNING ST 725



- Test certificate forms for "Testing of electrical devices" are available for download free of

charge at www.benning.de

Seegure10:  Optionalaccessories

4. Unit description

Seegure1: Appliancefrontface

Seegure2: Topsideofthedevice

ThedisplayandoperatorcontrolelementsspeciedinFig.1and2aredesignatedasfollows:

Test socket, for connecting the device to be tested,

-key, testing of devices of protection class I (devices with protective conductor and

accessible conductive parts which are connected to the protective conductor),



-key, testing of devices of protection class II (shock-proof devices without protective

conductor and with accessible conductive parts) and testing of devices of protection class III

(safety extra-low voltage),

-key, testing the protective conductor current (differential measurement) or contact

current (direct measurement) under operating conditions (test sample is supplied with mains

voltage)

-key, reducing the testing voltage to 250 V

or 500 V

for measuring the insulating

resistance

-key, testing of 30 mA RCDs

-key, testing of three-phase devices under operating conditions (044140, 044141)

Digital display, indicates the test progress and individual measuring results,

4 mm test socket, for connecting the test lead with alligator clip

IEC connector, for connecting the IEC power cord

Mains connection socket, for connecting the mains voltage (230 V, 50 Hz), for voltage

measurement at external shock-proof socket or for connecting the measuring signal cable of

the measuring adapter (16 A CEE adapter, three-phase, active (044140)/ 32 A CEE adapter,

threephase, active (044141))

Serial PS/2 port for optional printer BENNING PT 1 (044150)



-key, for storing the displayed measured values (display values)



-key, for calling stored measured values (display values)



-key, for printing the displayed or stored measured values by means of the printer

BENNING PT 1



USB interface (Micro-B socket), for connection of the USB connecting cable

5. General information

The BENNING ST 725 is intended for electrical safety tests according to DIN VDE 0701-0702,

DGUV Regulation 3 (former BGV A3) and ÖVE/ ÖNORM E8701.

Automatically,theBENNINGST725veriesthetypeoftheconnectedtestobjectandinforms

the user in case of incorrect selection of the testing procedure [

...

]: preset limiting values and

measuring results with "pass/ fail" information make it easier to evaluate the test.

- At full battery capacity, the BENNING ST 725 allows to carry out approx. 2,500 device tests.

- Appliance dimensions:

 (LxWxH)=270x115x55mm

- Appliance weight: 1100 g

6. Ambient conditions

- The BENNING ST 725 is intended for making measurements in dry environment.

- Maximum barometric elevation for making measurements: 2000 m,

- Overvoltagecategory/settingcategory:IEC61010-1→300VcategoryII,

- Contamination class: 2,

- Protection class: IP 40 (DIN VDE 0470-1 IEC/ EN 60529)

IP 40 means: Protection against access to dangerous parts and protection against solid

impurities of a diameter > 1 mm, (4 - first index). No protection against water, (0 - second

index).

- EMC: EN 61326-1

- Operating temperature and relative humidity:

For operating temperatures from 0 °C to 30 °C: relative humidity less than 80 %

For operating temperatures from 31 °C to 40 °C: relative humidity less than 75 %

- Storage temperature: The BENNING ST 725 can be stored at any temperature within the

range of - 25 °C to + 65 °C (relative humidity from 0 to 80 %). The battery should be removed

from the instrument for storage.

7. Electrical specifications

Note:Themeasuringaccuracyisspeciedasthesumof

- a relative fraction of the measured value and

- a number of digits (i.e. counting steps of the last digit).

Thisspeciedmeasuringaccuracyisvalidfortemperatureswithintherangeof18°Cto28°C

and relative humidity lower than 80 %.

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