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BEFORE USE ....

Thank you for choosing M-System.  Before use, please check 
contents of the package you received as outlined below.
If you have any problems or questions with the product, 
please contact M-System’s Sales Office or representatives.

 

PACKAGE INCLUDES:

Signal conditioner ...............................................................(1)
Sensor ..................................................................................(1)
Cable (CLSA-08, -12 only) ..................................................(1)

 

MODEL NO.

Confirm Model No. marking on the product to be exactly 
what you ordered.

 

INSTRUCTION MANUAL

This manual describes necessary points of caution when 
you use this product, including installation, connection and 
basic maintenance procedures.

POINTS OF CAUTION

 

POWER INPUT RATING & OPERATIONAL RANGE

• Locate the power input rating marked on the product and 

confirm its operational range as indicated below:

    24V DC rating:  24V ±10%, approx. 30mA 

 

(50mA for current output)

 

GENERAL PRECAUTIONS

• Before you remove the unit or mount it, turn off the power 

supply and input signal for safety.

 

ENVIRONMENT

• Indoor use.
• When heavy dust or metal particles are present in the 

air, install the unit inside proper housing with sufficient 
ventilation.

• Do not install the unit where it is subjected to continuous 

vibration.  Do not subject the unit to physical impact.

• Environmental temperature must be within 0 to 55°C (32 

to 131°F) with relative humidity within 30 to 95% RH in 
order to ensure adequate life span and operation.

• Be sure that the ventilation slits are not covered with ca-

bles, etc.

 

WIRING

• Do not install cables close to noise sources (relay drive 

cable, high frequency line, etc.).

• Do not bind these cables together with those in which 

noises are present.  Do not install them in the same duct.

 

AND ....

• The unit is designed to function as soon as power is sup-

plied, however, a warm up for 10 minutes is required for 
satisfying complete performance described in the data 
sheet.

COMPONENT IDENTIFICATION

Specifications

Span Adj.

Zero Adj.

Mounting Screw

Body

INSTALLATION

Use Installation Base (model: M8BSx).

 

CLAMP-ON CURRENT SENSOR

Secure the sensor to the cable e.g. using tie wraps.
Over-voltage clamp element is incorporated for safety in 
open circuit.

CT CONVERTER

(clamp-on current sensor)

MODEL

M8CTC

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201  Fax: +81(6)6659-8510  E-mail: [email protected]

EM-5483  Rev.1  P. 1 / 4

INSTRUCTION MANUAL

Summary of Contents for M8CTC

Page 1: ...nt ventilation Do not install the unit where it is subjected to continuous vibration Do not subject the unit to physical impact Environmental temperature must be within 0 to 55 C 32 to 131 F with relative humidity within 30 to 95 RH in order to ensure adequate life span and operation Be sure that the ventilation slits are not covered with ca bles etc WIRING Do not install cables close to noise sou...

Page 2: ...LIBRATE THE OUTPUT SIGNAL Use a signal source and measuring instruments of sufficient accuracy level Turn the power supply on and warm up for more than 10 minutes Output 1 and Output 2 are linked 1 ZERO Apply 0 input and adjust output to 0 2 SPAN Apply 100 input and adjust output to 100 3 Check ZERO adjustment again with 0 input 4 When ZERO value is changed repeat the above proce dure 1 3 MAINTENA...

Page 3: ...Weight 300 g 10 6 oz 36 1 41 dia 80 3 15 59 5 2 34 50 1 97 38 1 50 4 16 4 16 200 7 87 l k K L CLAMP ON CURRENT SENSOR screw terminal type CLSB Connection M3 screw terminal torque 0 5 N m Screw terminal Nickel plated steel Output wiring Use AWG 22 or thicker wires for the output Twist the paired wires extendable up to 30 meters 0 10A through 0 50A Use Sensor model No CLSB 05 Applicable cable diamet...

Page 4: ... 1 40 8 8 35 8 8 35 93 3 66 TERMINAL COVER detachable 35 dia 1 38 k k l l 2 M3 SCREW K L Note 1 The output values may vary depending on the accuracy of engagement at the clamp connection Note 2 The sensor is detachable up to 100 times approx Note 3 The sensor s mechanical construction may cause it to generate resonance sound However it does not affect the performance of the sensor M8CTC 5 2 55 Min...

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