B+K precision 309 Bedienungsanleitung

Instruction Manual

Model 309 DigitalEarth Resistance Meter

www. .com information@itm.com1.800.561.8187

1.INTRODUCTION

NOTE

This meter has been designed and tested according to

IEC Publication 348, safety Requirements for

Electronic Measuring Apparatus, IEC-1010 (EN 61010)

and other safety standards. Follow all warnings to

ensure safe operation.

-1-

WARNING

READ "SAFETY NOTES" ( NEXT PAGE )

BEFORE USING THE METER.

(1) Jack For "EARTH" Lead

Connection

(2) Operation Indicator

(3) Data Hold Switch

(4) Timer Off Button

(5) LCD Display

(6) Jack For "LINE" Lead

Connections

(7) Function Switch

(8) Ohm Range Switch

(9) Pushbutton Operation

(10)Timer On Button

(4)

(5)

(3)

(2)

(1) (6)

(7)

(9)

(8)

(10)

www. .com information@itm.com1.800.561.8187

1.INTRODUCTION

NOTE

This meter has been designed and tested according to

IEC Publication 348, safety Requirements for

Electronic Measuring Apparatus, IEC-1010 (EN 61010)

and other safety standards. Follow all warnings to

ensure safe operation.

-1-

WARNING

READ "SAFETY NOTES" ( NEXT PAGE )

BEFORE USING THE METER.

(1) Jack For "EARTH" Lead

Connection

(2) Operation Indicator

(3) Data Hold Switch

(4) Timer Off Button

(5) LCD Display

(6) Jack For "LINE" Lead

Connections

(7) Function Switch

(8) Ohm Range Switch

(9) Pushbutton Operation

(10)Timer On Button

(4)

(5)

(3)

(2)

(1) (6)

(7)

(9)

(8)

(10)

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3.FEATURES

ŸCapable of measuring earth voltage.

2mA measuring current permits earth resistance

tests without tripping earth leakage current

breakers in the circuit under test.

Battery operated.

Auto power off function. The timer operates auto-

matically about 3~6 minutes when the " PUSH

BUTTON SWITCH" and "TIMER ON BUTTON" are

pressed at the same time to keep the tester power

on.

Data hold function.

Small and light weight.

Designed to meet IEC-1010-1 (EN61010-1) CAT III

200V.

-2- -3-

2.SAFETY NOTES

ŸRead the following safety information carefully

before attempting to operate or service the meter.

ŸUse the meter only as specified in this manual.

otherwise, the protection provided by this meter

may be impaired.

ŸRated environmental conditions

(1). Indoor Use.

(2). Installation Category III.

(3). Pollution Degree 2.

(4). Altitude up to 2000 meter.

(5). Relative humidity 80% max.

(6). Ambient temperature 0~40 C

ŸObserve the International Electrical Symbols listed

Below

Meter is protected throughout by double

insulation or reinforced insulation.

Warning ! Risk of electric shock.

Caution ! Refer to this manual before using the

Meter.

www. .com information@itm.com1.800.561.8187

3.FEATURES

ŸCapable of measuring earth voltage.

2mA measuring current permits earth resistance

tests without tripping earth leakage current

breakers in the circuit under test.

Battery operated.

Auto power off function. The timer operates auto-

matically about 3~6 minutes when the " PUSH

BUTTON SWITCH" and "TIMER ON BUTTON" are

pressed at the same time to keep the tester power

on.

Data hold function.

Small and light weight.

Designed to meet IEC-1010-1 (EN61010-1) CAT III

200V.

-2- -3-

2.SAFETY NOTES

ŸRead the following safety information carefully

before attempting to operate or service the meter.

ŸUse the meter only as specified in this manual.

otherwise, the protection provided by this meter

may be impaired.

ŸRated environmental conditions

(1). Indoor Use.

(2). Installation Category III.

(3). Pollution Degree 2.

(4). Altitude up to 2000 meter.

(5). Relative humidity 80% max.

(6). Ambient temperature 0~40 C

ŸObserve the International Electrical Symbols listed

Below

Meter is protected throughout by double

insulation or reinforced insulation.

Warning ! Risk of electric shock.

Caution ! Refer to this manual before using the

Meter.

www. .com information@itm.com1.800.561.8187

-5-

-4-

5.MEASURING METHODS

BEFORE PROCEEDING WITH MEASUREMENT,

READ THE SAFETY NOTES ON PAGE 2.

1. Connection with test leads

Connect green, yellow and red test leads to instru-

Ment terminals E, P and C with auxiliary earth bars

P1, C1 driven into earth "IN A STRAIGHT LINE".

(Fig.1)

2. Set the function switch to ACV position and make

certain that the voltage reading is LESS THAN

10V AC, otherwise accurate earth resistance

measurement may not be made.

3. Set the Range Switch to suitable range and set the

function switch to Wposition then press the PUSH-

ON BUTTON and TIMER ON BUTTON at the same

time and take the reading on the display.

êWhen none of E, P and C terminals connected

with test leads, the display shows "1" at Wfunction.

êFollow the proper connection such as Fig. 1, the

LED(red) indicator will lit. This proves a correct

current circulation is under its operation.

4.SPECIFICATIONS

Measurement system Earth resistance by constant

Current inverter. 820Hz, 2mA

approx.

Earth voltage 0~200Vac, 40~500Hz.

Earth resistance range and resolution

0~20W(0.01W).

0~200W(0.1W).

0~2000W(1W).

Accuracy Earth voltage ± (1%rdg+2dgt)

Earth resistance ± (2%rdg+2dgt)

or ± 0.1W, which is greater.

Safety standard IEC 1010-1 (EN61010-1) CAT III

200V.

Low battery indication "B" symbol appears on the

display.

Data hold indication "DH" symbol appears on the

display.

Over range indication "1" (MSD).

Timer (auto power off) About 3~6 minutes.

Display LCD 3½ digit (2000 counts).

Power source 1.5V(R6P)*6 pieces dry batteries.

Dimensions 163(L)*100(W)*50(D)mm.

Wight Approx. 410g (battery included).

Accessories Test leads (Red-15m,yellow-10m,

green-5m), Auxiliary earth bars,

Heavy case, Instruction manual.

www. .com information@itm.com1.800.561.8187

-5-

-4-

5.MEASURING METHODS

BEFORE PROCEEDING WITH MEASUREMENT,

READ THE SAFETY NOTES ON PAGE 2.

1. Connection with test leads

Connect green, yellow and red test leads to instru-

Ment terminals E, P and C with auxiliary earth bars

P1, C1 driven into earth "IN A STRAIGHT LINE".

(Fig.1)

2. Set the function switch to ACV position and make

certain that the voltage reading is LESS THAN

10V AC, otherwise accurate earth resistance

measurement may not be made.

3. Set the Range Switch to suitable range and set the

function switch to Wposition then press the PUSH-

ON BUTTON and TIMER ON BUTTON at the same

time and take the reading on the display.

êWhen none of E, P and C terminals connected

with test leads, the display shows "1" at Wfunction.

êFollow the proper connection such as Fig. 1, the

LED(red) indicator will lit. This proves a correct

current circulation is under its operation.

4.SPECIFICATIONS

Measurement system Earth resistance by constant

Current inverter. 820Hz, 2mA

approx.

Earth voltage 0~200Vac, 40~500Hz.

Earth resistance range and resolution

0~20W(0.01W).

0~200W(0.1W).

0~2000W(1W).

Accuracy Earth voltage ± (1%rdg+2dgt)

Earth resistance ± (2%rdg+2dgt)

or ± 0.1W, which is greater.

Safety standard IEC 1010-1 (EN61010-1) CAT III

200V.

Low battery indication "B" symbol appears on the

display.

Data hold indication "DH" symbol appears on the

display.

Over range indication "1" (MSD).

Timer (auto power off) About 3~6 minutes.

Display LCD 3½ digit (2000 counts).

Power source 1.5V(R6P)*6 pieces dry batteries.

Dimensions 163(L)*100(W)*50(D)mm.

Wight Approx. 410g (battery included).

Accessories Test leads (Red-15m,yellow-10m,

green-5m), Auxiliary earth bars,

Heavy case, Instruction manual.

www. .com information@itm.com1.800.561.8187

-6-

6.MAINTENANCE

ŸBattery Replacement

When the symbol "B" appears on the display, replace

the batteries as follows

(1) Disconnect the test leads from the instrument and

turn off the power.

(2) Use a screwdriver to unscrew the screw on back

cover then slide the cover, take out the batteries

and replace with new batteries Type SUM-3.

(3) Place back cover and secure by a screw.

ŸCleaning and storage

Periodically wipe the case with a damp cloth and

detergent do not use abrasives or solvents.

If the meter is not to be used for periods of longer than

60 days, remove the batteries and store them separately.

To avoid electrical shock or damage to the meter,

do not get water inside the case.

WARNING

7.Limited One-year Warranty

B&K Precision warrantsto the originalpurchaser that its

products and thecomponent parts thereof,will be freefrom

defects in workmanship and materials for a period of one

year from dateof purchase froman authorized B&K

Precision distributor.

B&K Precision will,without charge, repairor replace, atits

option, defective product or component parts. Returned

product must beaccompanied by proofof the purchase

date in theform of asales receipt.

Toobtain warranty coveragein the U.S.A., this product

must be registeredby completing thewarranty registration

form on www.bkprecision.com within fifteen (15) days of

purchase.

Exclusions: This warrantydoes not applyin the event

of misuse orabuse of theproduct or asa result of

unauthorized alterations orrepairs. The warrantyis

void if theserial number isaltered, defaced orremoved.

B&K Precision shall not be liable for any consequential

damages, including without limitation damages resulting

from loss of use. Some states do not allow limitations of

incidental or consequential damages. So theabove

limitation or exclusion may not apply to you.

This warranty givesyou specific rightsand you mayhave

other rights, whichvary from state-to-state.

B&K Precision

22820 Savi Ranch Parkway

Yorba Linda, CA92887

www.bkprecision.com

714-921-9095

-7-

www. .com information@itm.com1.800.561.8187

-6-

6.MAINTENANCE

ŸBattery Replacement

When the symbol "B" appears on the display, replace

the batteries as follows

(1) Disconnect the test leads from the instrument and

turn off the power.

(2) Use a screwdriver to unscrew the screw on back

cover then slide the cover, take out the batteries

and replace with new batteries Type SUM-3.

(3) Place back cover and secure by a screw.

ŸCleaning and storage

Periodically wipe the case with a damp cloth and

detergent do not use abrasives or solvents.

If the meter is not to be used for periods of longer than

60 days, remove the batteries and store them separately.

To avoid electrical shock or damage to the meter,

do not get water inside the case.

WARNING

7.Limited One-year Warranty

B&K Precision warrantsto the originalpurchaser that its

products and thecomponent parts thereof,will be freefrom

defects in workmanship and materials for a period of one

year from dateof purchase froman authorized B&K

Precision distributor.

B&K Precision will,without charge, repairor replace, atits

option, defective product or component parts. Returned

product must beaccompanied by proofof the purchase

date in theform of asales receipt.

Toobtain warranty coveragein the U.S.A., this product

must be registeredby completing thewarranty registration

form on www.bkprecision.com within fifteen (15) days of

purchase.

Exclusions: This warrantydoes not applyin the event

of misuse orabuse of theproduct or asa result of

unauthorized alterations orrepairs. The warrantyis

void if theserial number isaltered, defaced orremoved.

B&K Precision shall not be liable for any consequential

damages, including without limitation damages resulting

from loss of use. Some states do not allow limitations of

incidental or consequential damages. So theabove

limitation or exclusion may not apply to you.

This warranty givesyou specific rightsand you mayhave

other rights, whichvary from state-to-state.

-7-

www. .com information@itm.com1.800.561.8187

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