Extech Instruments GRT350 Скачать руководство пользователя страница 9 | Manualshive

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Extech Instruments GRT350 Скачать руководство пользователя страница 9

GRT350

‐

en

‐

GB_v1.3

12/16

9

Maintenance

1.

Rear

cover

2.

Battery

compartment

3.

Fuse

Fuse

Replacement

1.

Disconnect

the

test

leads

from

the

instrument.

2.

Remove

the

rear

cover

by

removing

the

two

screws.

3.

Remove

and

replace

the

fuse

with

a

new

one

of

the

same

value

and

size

0.5A/500V,

(5

x

20mm).

4.

Replace

and

secure

the

rear

cover.

Battery

replacement

When

“Battery

Low”

appears

on

the

display,

replace

the

batteries.

1.

Disconnect

the

test

leads

from

the

instrument

and

remove

the

rear

cover

and

the

batteries.

2.

Replace

with

eight

1.5V

AA

batteries,

taking

care

to

observe

correct

polarity.

3.

Reinstall

battery

holder

and

battery

cover.

Never

dispose

of

used

batteries

or

rechargeable

batteries

in

household

waste.

As

consumers,

users

are

legally

required

to

take

used

batteries

to

appropriate

collection

sites,

the

retail

store

where

the

batteries

were

purchased,

or

wherever

batteries

are

sold.

Disposal:

Do

not

dispose

of

this

instrument

in

household

waste.

The

user

is

obligated

to

take

end

‐

of

‐

life

devices

to

a

designated

collection

point

for

the

disposal

of

electrical

and

electronic

equipment.

Cleaning

WARNING

:

To

avoid

electrical

shock

or

damage

to

the

meter,

do

not

allow

water

inside

the

case.

Periodically

wipe

the

case

with

a

damp

cloth

and

detergent,

do

not

use

abrasives

or

solvents.

1

2

3

www.

.com

[email protected]

1.800.561.8187

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Содержание GRT350

Страница 1: ...User Manual Earth Resistance and Resistivity Tester Model GRT350 Additional User Manual Translations available at www extech com www com information itm com 1 800 561 8187 ...

Страница 2: ...visit our website www extech com to check for the latest version of this User Guide Product Updates Product Registration and Customer Support Features Microprocessor controlled with advanced safety features Two line LCD display Auto Ranging Earth resistance testing with three ranges 0 20Ω 0 200Ω 0 2kΩ Earth voltage measuring range of 0 300Vac Automatic C current spike check Automatic P potential s...

Страница 3: ...maximum Ambient temperature 0 40 C Observe the International Electrical Symbols listed below Double insulation This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Earth ground terminal Equipment complies with current EU directives W...

Страница 4: ...d connection 2 P1 terminal Green test lead connection 3 P2 terminal Yellow test lead connection 4 C2 terminal Red test lead connection 5 Display 6 Rc LED 7 Rp LED 8 Save button 9 Cursor buttons 10 Cursor buttons 11 ESC button 12 Power button 13 TEST STOP button www com information itm com 1 800 561 8187 ...

Страница 5: ...th voltage will appear on the display if it is present 6 Press SAVE to save the measurement in Log memory 7 Press ESC to return to the Select Function display Measurement Considerations Two terminal testing of earth resistance is appropriate for most general purpose testing in normally conductive soil However two terminal measurements include test lead and contact resistance in the measurement and...

Страница 6: ...he soil The distance between electrodes must be 5 to 10m 16 to 32 Four terminal earth resistance measurements 1 2 MAX AC 300V H S E ES P2 C2 C1 P1 3 1 Earth electrode rod under test 2 Potential spike 3 Current spike Three terminal earth resistance measurements 1 2 MAX AC 300V H S E ES P2 C2 C1 P1 3 1 Earth electrode rod under test 2 Potential spike 3 Current spike Two terminal earth resistance mea...

Страница 7: ...arth resistance is greater than 2000Ω Earth Resistivity Testing ρ Wenner 4 point method Insert the four electrodes at equal distances and in a straight line at an interval of 1 to 30m 3 3 to 32 3 apart The depth should be 5 or less the distance between the electrodes For example if the distance between the electrodes is 5m 16 the electrodes should be inserted to a depth of 25cm 10 500cm x 5 25cm N...

Страница 8: ...l display on the screen 4 Press the or arrow button to scroll through the saved data 5 Press ESC to get back to the Select Function display LOG Clear 1 Press the ON OFF button and wait for the Select Function screen to appear 2 Press the button and select LOG Clear 3 Press the TEST STOP button Are you sure will display on the screen 4 Press the TEST STOP button to clear the log data Successful wil...

Страница 9: ... correct polarity 3 Reinstall battery holder and battery cover Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batteries were purchased or wherever batteries are sold Disposal Do not dispose of this instrument in household waste The user is obligate...

Страница 10: ...ead 5 m 16 ft Black lead 10m 32 ft Yellow lead 10m 32ft Red lead 15m 49ft Temperature Humidity Operating 0 to 50 C 32 to 122 F 80 R H Storage 10 to 60 C 14 to 140 F 80 R H Altitude 2000m 6500 max Power Source 1 5V AA x 8 batteries Dimensions 250 L x 190 W x 110 D mm 9 84 x 7 5 x 4 33 Weight Approx 1430g batteries installed Fuse 500mA 500V 5 x 20mm fast blow ceramic type Safety Standards CAT IV 300...

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