Kyoritsu KEW 8133 Bedienungsanleitung

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2. Features

●

This is a clamp sensor which can measure AC current up to 3000 A.

●Flexible and lightweight is achieved by using air core coil for the

sensor.

3. Clamp sensor layout

4. Pin assignment for output terminal

* Pin assignment at the connecting terminal of measuring instrument

is symmetrical to above figure.

●③⑤ Output signal passes between and of output terminal.

●This clamp sensor drives power via the output cable. Power

supply of +3.0 to +5.5V is required between and of output ①③

terminal and -3.0 to -5.5V is required between and .②③

#WARNING

●

Stop using the sensor if any visible damage such as cracks on the

circuit box or clamp part, or exposed internal metal parts are

found.

● Do not disassemble, install substitute parts or make any

modification to the clamp sensor. Return the clamp sensor to

your local KYORITSU distributor for repair or re-calibration in

case of suspected faulty operation.

●Do not use the clamp sensor if the sensor or your hand is wet;

otherwise, electrical shock accident may occur.

●Comply with the local and national safety code and use the

protective gears to prevent shock hazard.

#CAUTION

●Do not step on or pinch the cord; it may damage the jacket of

the cable.

●Do not expose the clamp sensor to direct sunlight, high

temperature, humidity or dew. It may cause deformation or

insulation degradation and cannot meet the original

specification.

●Not to give shocks, such as vibration or drop, which may

damage the clamp sensor, during transit or use.

● Use a damp cloth with water or neutral detergent for cleaning

the clamp sensor. Do not use abrasives or solvents.

● This clamp sensor is not designed to be dust or waterproof. Do

not use it dusty places or where the clamp sensor is likely to be

wet. It can damage the sensor.

● Never pinch foreign matters or give vibrations to the joint part of

the clamp sensor; otherwise, the joint part may be damaged

and lead to inaccurate measurements.

●Do not bend or pull the root of the cable to prevent breaks in the

cable.

●Never apply a current exceeding the measuring range for a long

time. It may damage the clamp sensor.

●Do not connect/remove the connectors while the connected

devices are on or clamping onto the conductor under test.

Otherwise, the connected device or clamp sensor may be

damaged.

●Accurate measurement may not be obtained in the vicinity of

strong magnetic fields such as transformers, high-current

circuits or wireless machines.

1. Safety warnings

This clamp sensor has been designed and tested according to

IEC61010-1: Safety Requirements for Electronic Measuring

Apparatus, and delivered in the best condition after passing quality

control tests. This instruction manual contains warnings and safety

rules which have to be observed by the user to ensure safe operation

of the clamp sensor and to maintain it in safe condition. Therefore,

read through these operating instructions before starting to use the

clamp sensor.

# WARNING

●Read through and understand instructions contained in this

manual before starting to use the clamp sensor.

● Keep the manual at hand to enable quick reference whenever

necessary.

●The clamp sensor is to be used only in its intended applications.

●Understand and follow all the safety instructions contained in

the manual.

It is essential that the above instructions are adhered to. Failure to

follow the above instructions may cause injury, clamp sensor damage

and/or damage to equipment under test. KYORITSU is not liable for

any damage resulting from the mishandling of the clamp sensor.

The symbol indicated on the clamp sensor, means that the user #

must refer to the related parts in the manual for safe operation of the

clamp sensor. It is essential to read the instructions wherever the #

symbol appears in the manual.

#DANGER: is reserved for conditions and actions that are

likely to cause serious or fatal injury.

#WARNING: is reserved for conditions and actions that can

cause serious or fatal injury.

#CAUTION: is reserved for conditions and actions that can

cause injury or instrument damage.

#DANGER

●Do not make measurements on a circuit in which electrical

potentials exceeding the following values exist: 300 V in CAT IV

environment and 600 V in CAT III or lower environment.

●Use the sensor only as specified; otherwise, the protection

supplied by the sensor can be compromised and damage itself

or lead to a serious accident. Always verify the proper operation

on a well-known power source before starting to use the sensor.

Meaning of symbols on the clamp sensor:

#

User must refer to the explanations in the instruction

manual for safety reasons.



Clamp sensor with double or reinforced insulation

Do not use for, attach to or detach from un-insulated

hazardous live conductors, which may render electric

shock, electric burn, or arc flash.



AC

Crossed-out wheel bin symbol (according to WEEE

Directive: 2002/ 96/ EC) indicating that this electrical

product may not be treated as household waste, but that

it must be collected and treated separately.

Measurement Category:

To ensure safe operation of measuring instruments, IEC 61010

establishes safety standards for various electrical environments,

categorized as O to CAT IV, and called measurement categories.

Higher-numbered categories correspond to electrical environments

with greater momentary energy, so a measuring instrument designed

for CAT III environments can endure greater momentary energy than

one designed for CAT II.

O (None, Other)

: Circuits which are not directly connected to the mains

power supply.

CAT II : Electrical circuits of equipment connected to an AC

electrical outlet by a power cord.

CAT III : Primary electrical circuits of the equipment connected

directly to the distribution panel, and feeders from the

distribution panel to outlets.

CAT IV : The circuit from the service drop to the service

entrance, and to the power meter and primary over-

current protection device (distribution panel).

5. Specifications

Model nameKEW 8133

Applicable models

KEW 6305 Power Meter

KEW 6315 Power Quality Analyzer

Rated current3000 A AC

Output voltage500 mV AC/ 3000 A AC (0.167 mV/ A)

Measuring range0 – 3000 A AC rms (5515 A Peak)

Accuracy

(sine wave input)

±1.0%rdg±0.5mV (45 – 65 Hz)

±1.5%rdg±0.5mV (40 – 1 kHz)

*

±3.0%rdg±0.5mV (max): electromagnetic

environment on industrial site

Phase characteristics

45 – 65 Hz: within ±2°

40 – 1 kHz: within ±3°

Current consumption

(at power supply ±5V)

2 mA (max)

Temp. & Hum. range

(guaranteed accuracy)

23±5°C

Relative humidity 85% or less

(no condensation)

Operating Temp. &

Hum. range

-10 to 50°C

Relative humidity 85% or less

(no condensation)

Storage Temp. & Hum.

range

-20 to 60°C

Relative humidity 85% or less

(no condensation)

Max allowable input3900 A AC (continuous)

Output impedance100 Ω or less

Environmental conditionAltitude up to 2000 m, In-door use

Applicable standards

IEC61010-1

IEC61010-2-032

CAT III (600 V rms), CAT IV (300 V rms),

Pollution degree 2

IEC 61326-1 (EMC)

Environmental standardsEU RoHS directive compliant

Withstand voltage

5160 V AC rms (50/ 60 Hz)/ 5 sec.

Between circuit and clamp sensor

Insulation resistance

50 M or more/ 1000 VΩ

Between circuit and clamp sensor

Measurable conductor size

Ø 170 mm (max)

Cable length

Approx. 2.7m: between circuit box and

clamp sensor

Approx. 0.2m: between circuit box and

output terminal

Output terminalMINI DIN 6PIN

WeightApprox. 200 g

Accessories

Carrying bag (MODEL9095)

Instruction manual

Cable marker No.1 - No.3 (2pcs each)

6. Operating instructions

#DANGER

●Never make measurements on a circuit in which electrical

potentials exceeding the following values exist: 300 V in CAT IV

and 600 V in CAT III or lower environment.

#CAUTION

●The measurable conductor size is 170mm in diameter (max).

Make sure that the clamp sensor is firmly closed for accurate

measurement.

●

When disconnecting the output terminal from the measuring

instrument, do so by removing the plug and not by pulling the cable.

Note

●This sensor has been specially designed and dedicated to our

Power meter KEW 6305 and Power quality analyzer KEW 6315.

It cannot be used with the other our products such as KEW

5010/ 5020.

6-1 Measurement method

 ⑴Connect the output terminal to the input terminal on the

measuring instrument.

 ⑵ Power on the measuring instrument.

 ⑶ Unlock the Joint according to the following illustrations.

⑷Clamp onto one conductor to be tested. Locate the conductor as

shown below while observing the direction of the Guide arrow

mark - indicating the current flowing direction - marked on the

Joint of the sensor to synchronize the phases of the current under

test and of the output voltage.

⑸ Ensure that the joint part of the clamp sensor is firmly locked.

 ● Joint part may be unlocked and disconnected if excessive force

is applied to.

 ● Clamp onto just one conductor; measurements cannot be

made when clamping single-phase (2-wire) or three-phase

(3-wire) at the same time.

6-2 Connecting with KEW 6305/KEW 6315

 Before connecting this sensor with KEW 6305 or KEW 6315,

confirm that the internal firmware version is later than the one

listed in the following table; otherwise, this sensor cannot be used

with. The latest firmware is available on our website.

MODELFirmware version

KEW 6305V1.10 or later

KEW 6315V1.50 or later

 For the detailed settings of the clamp sensor, please refer to the

instruction manual for the applicable model.

7. Storage

Wind the cable of the sensor as shown below and lock the joint.

Wind the black cable in the same way and store them in the carrying

bag.

FLEXIBLE CLAMP SENSOR

POWER CLAMP SENSOR Series

KEW 8133

8-22 92-2322A

DISTRIBUTOR

Kyoritsu reserves the rights to change specifications or designs

described in this manual without notice and without obligations.

O: Device which is

not directly

connected to the

mains power supply

Instruction manual

Joint

Clnsamp seor

Cable

Ciuit box rc

Power indicator

Output cable

Output terminal

Power pply (+V) su

Posu(-V)wer pply

COM

Output signal

NC (Noconnected) t

Sensor identification (110kΩ)

Joint

Clamp sensor

Lock

Cable

1. Press

2. ck Unlo

Lo ad

Source

Guide aw mark rro

Reference position of

condtor to be tested uc

Positionhe conductor to be tested illustrated above. tas

Caying b rrag

Produktspezifikationen