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Summary of Contents for PROVA CM-03
- Page 1 AC LEAKAGE CURRENT TESTER Model CM-03 USER'S MANUAL PROVA INSTRUMENTS INC.
- Page 2 EN 61010-2-032 CAT II 600V CAT III 300V Pollution Degree 2 Definition of Symbols: Caution: Refer to Accompanying Documents Caution: Risk of Electric Shock Double Insulation Overvoltage Category I (CAT I): Equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level.
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. Features........................2. Panel Description ..................... 3. Operation Instructions....................3.1. AC Leakage Current Measurement.............. 3.1.1. Leakage Current Flowing into Ground Conductor ......3.1.2. Out of Balance Leakage Current............3.1.3. Using the 50/60 and Wide Selector............3.2. AC Load Current Measurement..............3.3. -
Page 4: Panel Description
2. Panel Description 1.Transformer Jaw This is used to pick up current signal. To measure DC/AC current, conductor must be enclosed by the jaw. 2.Transformer Trigger This is used to open the jaw. 3.Function Selector Switch This is used to select the function user desired, such as ACV, ACA, Ohm and Continuity. - Page 5 7.Zero/Relative Button Once this button is pressed, the current reading shall be set to zero and be used as a zero reference value for all other subsequent measurement. This function will be disabled when MAX/MIN function is enabled. This button is not available in continuity function.
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Page 6: Operation Instructions
3. Operation Instructions 3.1. AC Leakage Current Measurement WARNING: Make sure that all the test leads are disconnected from the meter's terminals for current measurement. 3.1.1. Leakage Current Flowing into Ground Conductor a. Set the rotary switch at desired range. b. -
Page 7: Out Of Balance Leakage Current
3.1.2. Out of Balance Leakage Current... -
Page 8: Using The 50/60 And Wide Selector
a. Set the rotary switch at desired range b.Press the trigger to open the jaw and fully enclose all two wires(single phase, two wires), three wires(three phases, three wires), or four wires(three phases, four wires). Make sure the two half jaws are properly closed. c. -
Page 9: Ac Voltage Measurements
a. Set the rotary switch at desired range. b. Press the trigger to open the jaw and fully enclose only one wire. No air gap is allowed between the two half jaws. c. Read the measured value from the LCD display. 3.3. -
Page 10: Relative Reading Measurements
3.4.4.Read the measured value from the LCD display. 3.4.5.If the resistance is lower than 40 Ω , a beeping sound shall be heard. 3.5. Relative Reading Measurements The zero button also can be used to make a relative measurement. Once the button is pushed, the current reading is set to zero and a zero symbol shall be displayed on LCD. -
Page 11: Specifications
4. Specifications(23 ° C±5 ° C) AC Current: Accuracy Remarks Range Resolution 50/60 Hz Wide(40 - 1KHz) 10 μ A 40mA ±1.0%±3dgts ±2.0%±5dgts 100 μ A 400mA ±1.0%±3dgts ±2.0%±5dgts ±1.0%±3dgts ±2.0%±5dgts 10mA ±1.0%±3dgts ±2.0%±5dgts 60A(0-50A) 100mA ±1.5%±3dgts ±3.0%±5dgts 60A(50 - 60A) 100mA ±3.0%±5dgts ±3.5%±5dgts... - Page 12 Sampling Time: 3 times/sec. (display) 30 times/sec. (bargraph) -10 ° C to 50 ° C Operating Temperature: Operating Humidity: less than 85% relative -20 ° C to 60 ° C Storage Temperature: Storage Humidity: less than 75% relative Altitude: up to 2000M Dimension: 210mm (L) x 62.0mm (W) x 35.6mm (H) 8.3"...
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Page 13: Battery Replacement
5. Battery Replacement When the low battery symbol is displayed on the LCD, replace the old batteries with two new batteries. 5.1.Turn the power off and remove the test leads from the clamp meter. 5.2.Remove the screw of the battery compartment. 5.3.Lift and remove the battery compartment.
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