Hantek CC-65 Manual de usuario

CC-65 AC/DC CURRENT CLAMP

OPERATOR’S MANUAL

INTRODUCTION

When measuring the AC/DC Current with the Current Clamp, a multimeter or scope can

directly measure the current up to 65 A , with a frequency up to 20KHz. In this method,

there is no need to break a circuit or to affect the isolation to measure the current.

The Current Clamp is not only available for the detection or monitor of the possibly

existing creepage, but for the measurement with little gap using its extended jaws.

However, it is necessary to turn the zero adjustment knobs on the clamp until the

multimeter or scope reads zero.

APPLICATION PROCEDURE

1. When connected with any multi-meter whose input impedance is 10k ohms

minimum,insert the black banana plug into the COM jack and the red banana plug into

the V-Ω jack.When connected with a scope,connect the BNC connector of the clamp to a

scope BNC connector.

2. Set the power switch form “Off” to “ON” position, that is to set the multimeter range to

1mV/10mA or 1mV/100mA. Then, the green LED will be lighting, indicating that the

clamp is switched on..

3. when the current is not greater than 2 ampere ,please set the current clamp range to

1mV/10mA and set the multi-meter range to 200mV AC or 200 mV DC, which depends

on the type of the current.

4. Before measuring the DC current, it is needed to turn the zero adjustment knobs on the

clamp until the multimeter reads zero. That means pushing down the zero adjustment

knobs on the clamp until the multimeter reads zero. Then let go hold of the zero

adjustment knobs.When using a scope,set DC coupled mode to measure DC current.

5. Clamp the jaws around the current-carrying conductor and operate as above.

6. When the current clamp range is set to 1mV/10mA, the actual current is ten times of

the measured current whose unit is mA. For example, the measured current is 10 mV and

The actual current of the current-carrying conductor is 10×10=100mA.

7. When the current clamp range is set to 1mV/100mA, the actual current is one hundred

times of the measured current whose unit is mA. For example, the measured current is 5

mV and The actual current of the current-carrying conductor is 5×100=500mA.

APPLICATION NOTES

1. In the case of DC current, the output is positive when the current flows from the upside

to the underside of the clamp. The red banana plug is positive.

2. In the case of DC current measurement, the current clamp can not possibly zero

properly, due to the hysteresis effect. To eliminate this, open and close the jaws several

times and then zero again.

APPLICATION SAFETY

1. The voltage of the conductor measured with the current clamp should be little than

300V DC or 240V rms AC,

2. We are forbidden to measure the conductor whose insulation has break down or wear

down, in order to avoid doing harm to us.

SPECIFICATIONS GENERAL

Captured Conductor diameter Size: 9mm maximum

Low Battery Indicator: Red LED lighting

Operating Temperature: 0℃to 50℃, 70% R.H.

Storage Temperature: -20℃~+70℃, 80% R.H.

Battery type: 9V DC, NEDA 1604, 6F22, 006P

Battery Life: 100 hours typical with carbon-zinc

Weight: 250 gram typical

Dimensions: 195 mm (H) x 70 mm (W) x 33 mm (D)

Output: wire with a straight banana plug or BNC connector

ELECTRICAL (At 23±5℃, 70% R.H. maximum)

Efficient Measure Range:

1mV/10mA: 10mA to 2 A, multimeter range is set to DC or rms AC 200mV

1mV/100mA: 100mA to 20 A, multimeter range is set to DC or rmsAC 200mV

20A to 65 A, multimeter range is set to DC or rms AC 2V

Precision:

System Accuracy: The Precision of the current clamp add the Precision of the digital

multimeter or scope.

For example, if the conductor carries 100 mA current, the current clamp range will be set

to 1mV/10mA and the output is 10mV. Assuming that the Precision is 1.5%, the output

is10.15mV maximum and 9.85mV minimum.

If the digital multimeter connected with current clamp is set to 200mV and the Precision

is 0.5%,,the readings is10.20mV maximum and 9.8mV minimum.

(10.15mV×(1+0.5%)=10.20mV，9.85mV×(1-0.5%)=9.80mV)

Accuracy:

DC Current: 1m/10mA

±(1.5%±5mA) 10mA ~ 20A

DC Current: 1mV/100mA

±(2%±20mA) 100mA ~ 40A

±(4%±0.3A) 40A ~ 65A

AC Current: 1mV/10mA

±(2%±30mA) 100mA ~ 10A (40Hz ~ 2KHz)

±(4%±30mA) 100mA ~ 10A (2KHz ~ 10KHz)

±(6%±30mA) 100mA ~ 10A (10KHz ~ 20KHz)

±(8%±30mA) 10A ~ 15A (40Hz ~ 20KHz)

AC Current: 1mV/100mA

±(2%±30mA) 100mA ~ 40A (40Hz ~ 1KHz)

±(4%±30mA) 100mA ~ 40A (1KHz ~ 2KHz)

±(6%±30mA) 100mA ~ 40A (3KHz ~ 5KHz)

±(8%±0.3A) 40A ~ 65A (40Hz ~ 20KHz)

Load Resistance: 10kΩ Typical

Temperature coefficient: 0.1×(defined accuracy) per degree C (0℃to18℃, 28℃to50℃)

SAFETY INFORMATION

The instrument complies with class II, overvoltage CAT II of the EN 61010-1, and EN

61010-2-032 standards. The pollution of Current clamp is degree 2 in accordance with

IEC 664 indoor use. If the equipment is used in a manner not specified, the protection

provided by the equipment may be impaired.

This product complies with the requirements of the following European Community

Directives: 89/336/EEC (Electromagnetic Compatibility) and 73/23/EEC (Low voltage)

as amended by 93/68/EEC (CE marking).

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