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Summary of Contents for AEMC 205
- Page 1 POWER CLAMP-ON METER ENG L ISH User Manual...
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Page 3: Table Of Contents
CONTENTS RECEIVING YOUR SHIPMENT ................... 7 ORDERING INFORMATION ....................7 PRESENTATION ......................8 THE ROTARY SWITCH ....................9 THE FUNCTION BUTTONS ..................10 THE DISPLAY ........................ 11 1.3.1 Display Symbols ..................11 1.3.2 Measurement Capacity Exceeded (OL) ............12 THE TERMINALS ......................13 THE BUTTONS ...................... - Page 4 3.13 FREQUENCY MEASUREMENT (H ) ................31 3.13.1 Frequency Measurement (V) ............... 31 3.13.2 Frequency Measurement (A) ............... 31 3.13.3 Frequency Measurement (W) ..............32 3.14 MEASUREMENT OF THE LEVEL OF HARMONICS (THD) AND THE FREQUENCY OF THE FUNDAMENTAL (NETWORK) ........33 3.14.1 Measurement of THD and Frequency of the Fundamental (V) ....
- Page 5 Thank you for purchasing a Model 205 Clamp-on Meter. For best results from your instrument and for your safety, read the enclosed operating instructions carefully and comply with the precautions for use. These products must be only used by qualified and trained users.
- Page 6 PRECAUTIONS FOR USE This device complies with safety standards IEC-61010-1 and 61010-2-032 for voltages of 1000V in category III or 600V CAT IV at an altitude of less than 2000m, indoors, with a degree of pollution not exceeding 2. These safety instructions are intended to ensure the safety of persons and proper operation of the device.
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Page 7: Receiving Your Shipment
Save the damaged packing container to substantiate your claim. ORDERING INFORMATION Clamp-on Meter Model 205 ............Cat. #2139.40 Includes set of 2, 5 ft. (1.5m) needle tip color-coded leads with 4mm right angle plug,soft carrying case, 1x9V battery and user manual. -
Page 8: Presentation
1 PRESENTATION The Clamp-on Meter Model 205 is a professional electrical measuring instrument that combines the following functions: Current measurement ® Measurement of InRush current / overcurrent (True InRush Voltage measurement Frequency measurement Measures harmonic distortion (THD) ... -
Page 9: The Rotary Switch
THE ROTARY SWITCH The rotary switch has six positions. To access the functions, set the switch to the desired function. The functions are described in the table below. Figure 2: The Function Rotary Switch Item Function See § OFF mode – Turns the clamp-on meter off AC, DC, AC+DC voltage measurement (V) Continuity test Resistance measurement Ω... -
Page 10: The Function Buttons
THE FUNCTION BUTTONS Figure 3: The Function Buttons Item Function See § Holds the last value on the display Zero correction A 3.9.2 AC+DC AC+DC Lead resistance compensation in the continuity and 3.6.1 ohmmeter functions Selects the type of measurement and configuration functions (AC, DC, AC+DC) Selection of single-phase or 3-phase measurement Enables/disables display backlighting... -
Page 11: The Display
THE DISPLAY Figure 4: The Display Item Function See § Mode selection display Display of the measurement value and unit 3.5 to 3.12 Display of the MAX/MIN/PEAK modes Type of measurement (AC or DC) Total 3-phase power measurements 3.11.2 Selected resistance mode display Low battery indication 1.3.1 Display Symbols... -
Page 12: Measurement Capacity Exceeded (Ol)
PEAK- Minimum peak value Balanced total 3-phase power measurement Volt Hertz Watt Ampere Percentage Ω Milli- prefix Kilo- prefix Reactive power Apparent power Power factor THDf Total harmonic distortion with respect to the fundamental Total harmonic distortion with respect to the true RMS THDr value of the signal. -
Page 13: The Terminals
THE TERMINALS The terminals are used as follows: Figure 5: The Terminals Item Function COM (black) Input Terminal Jack + Positive (red) Input Terminal Jack... -
Page 14: The Buttons
2 THE BUTTONS The buttons respond differently to short, long, and sustained presses. keys provide additional functions as well as the detection and acquisition of parameters complementary to the basic measurements. Each of these buttons can be used independently of the others or in •... -
Page 15: Yellow) Button (Second Function)
(YELLOW) BUTTON (SECOND FUNCTION) This button is used to select the type of measurement (AC, DC, AC+DC) and the second functions marked in yellow next to the relevant positions of the switch. It can also be used to modify the default values in the configuration mode (see §... -
Page 16: Button
BUTTON 2.4.1 Normal Mode This button activates the detection of the MAX, MIN, PEAK+ and PEAK- values of the measurements made. Max and Min are the extreme mean values in DC and the extreme RMS values in AC. Peak+ is the maximum instantaneous peak and Peak- is the minimum instantaneous peak. -
Page 17: The Max/Min Mode + Activation Of The Hold Mode
2.4.2 The MAX/MIN Mode + Activation of the HOLD Mode Successive presses on Function Displays the MAX/MIN/PEAK values detected before the button was pressed. short When the button is pressed, the last value is held on the display. NOTE: The HOLD function does not interrupt the acquisition of new MAX, MIN, PEAK values ®... -
Page 18: Button
BUTTON This button is used to display the frequency measurements of a signal. NOTE: This button is not functional in the DC mode. 2.5.1 Normal Mode Successive Function presses on Displays: - The frequency of the signal measured - The present voltage (V) or current (A) measurement Displays: short... -
Page 19: Button
BUTTON This button is used to display and store the reference value in the unit of magnitude measured, or to display the differential and relative values, in %. NOTE: This button is not functional in phase rotation mode. Successive Function presses on Enters the ΔREL mode, to store, then display the reference value. -
Page 20: Use
3 USE INSTALLING THE BATTERIES Insert the batteries supplied with the device as follows: Using a screwdriver, unscrew the battery compartment cover (item 1) from the back of the housing. Insert the 1x9V batteries supplied (item 2), observing polarities. Close the battery compartment cover and screw it onto the housing. Figure 6 : The Battery Compartment TURNING THE CLAMP-ON METER ON •... -
Page 21: Configuring The Maximum Resistance For Continuity
3.4.1 Configuring the Maximum Resistance for Continuity To configure the maximum resistance allowed for a continuity measurement: With the switch in the OFF position, hold the (yellow) button down while turning the switch to until the "full screen" display ends and a beep is emitted. -
Page 22: Default Configuration
To exit from the configuration mode, turn the switch to another setting. The chosen threshold is stored and a double beep is emitted. NOTE: The starting (InRush) current measurement triggering threshold is fixed at 1% of the least sensitive range. This value is 1% of 99.99A or 1A. This threshold is not adjustable. -
Page 23: Continuity Test
CONTINUITY TEST Warning: Before performing the test, make sure that the circuit is off and all capacitors have been discharged. Set the switch to ; the symbol is displayed. Connect the black lead to the COM terminal and the red lead to the "+" terminal. -
Page 24: Lead Resistance Compensation
3.6.1 Lead Resistance Compensation Warning: Before the compensation is executed, the MAX/MIN and HOLD modes must be disabled. To perform automatic compensation of the test lead resistance, proceed as follows: Short-circuit the leads connected to the meter. Hold the button down until the display unit indicates the lowest value. -
Page 25: Diode Test
DIODE TEST Warning: Before performing the diode test, make sure that the circuit is off and all capacitors have been discharged. Set the switch to and press the (yellow) button twice. The symbol is displayed. Connect the black lead to the COM terminal and the red lead to the "+" terminal. -
Page 26: Dc Or Ac+Dc Measurement
The measured value is displayed on the screen. 3.9.2 DC or AC+DC Measurement Set the switch to and select DC if the display does not indicate "0"; the DC zero must be corrected first. Step 1: Correction of DC Zero Important: The clamp must not be closed on the conductor during the DC zero correction. -
Page 27: Starting Current Or Overcurrent (True Inrush ® ) Measurement
® 3.10 STARTING CURRENT OR OVERCURRENT (True InRush MEASUREMENT NOTE: The measurement can be made only in AC or DC mode (AC+DC mode disabled). To measure a starting current or overcurrent, proceed as follows: Set the switch to , correct the DC zero (see §3.9.2), then clamp the jaws around the conductor to be measured. -
Page 28: Power Measurements W, Va, Var And Pf
3.11 POWER MEASUREMENTS W, VA, VAR AND PF This measurement is possible in single-phase or in balanced 3-phase. NOTE: If performing DC or AC+DC power measurements, correct the DC zero in current first (see § 3.9.2) For the power factor (PF) and the powers VA and var, the measurement is possible only in AC or AC+DC. -
Page 29: Balanced 3-Phase Power Measurement
3.11.2 Balanced 3-Phase Power Measurement Set the switch to and select VA, var, or PF by pressing the button until the desired choice is reached Press the (yellow) button until the symbol is displayed. The device automatically displays AC+DC. To select AC, DC, or AC+DC, press the (yellow) button until the desired choice is reached. -
Page 30: Phase Rotation Mode
3.12 PHASE ROTATION MODE This mode is used to determine the phase order of a 3-phase network using the "2-wire" method. To determine the phase order, proceed as follows: Step 1: Determining the Reference Period: . The rdy symbol is displayed; the device is Set the switch to ready for the first phase order determination measurement. -
Page 31: Frequency Measurement (Hz)
3.13 FREQUENCY MEASUREMENT (HZ) The frequency measurement is available in V, W and A for AC and AC+DC measurements. The measurement is based on a count of zero crossings (positive-going edges). 3.13.1 Frequency Measurement (V) To measure the frequency in voltage, proceed as follows: Set the switch to and press the button. -
Page 32: Frequency Measurement (W)
The measured value is displayed on the screen. 3.13.3 Frequency Measurement (W) Set the switch to and press the button four times. The Hz symbol is displayed; Select AC or AC+DC by pressing the (yellow) button until the desired choice is reached. Connect the black lead to the COM terminal and the red lead to the "+"... -
Page 33: Measurement Of The Level Of Harmonics (Thd) And
3.14 MEASUREMENT OF THE LEVEL OF HARMONICS (THD) AND OF THE FREQUENCY OF THE FUNDAMENTAL (NETWORK) The device measures the total harmonic distortion with respect to the fundamental (THD ) and the total harmonic distortion with respect to the true RMS value of the signal (THD ) in voltage and in current. - Page 34 The measurement is displayed on screen.
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Page 35: Specifications
4 SPECIFICATIONS REFERENCE CONDITIONS Quantities of Influence Reference Conditions Temperature: 23°C ±2°C Relative humidity: 45% to 75% Supply voltage: 9.0V ±0.5V Frequency range of the applied signal: 45 to 65Hz Sine wave: pure Peak factor of the applied alternating signal: √2 Position of the conductor in the clamp: centered... -
Page 36: Ac Voltage Measurement
4.2.2 AC Voltage Measurement Measurement 0.15 to 60.0 to 600V to 1000V RMS Range 59.99V 599.9V 1400V peak Specified Measurement 0 to 100% of the measurement range Range 0.15 to 5.99V ± (1% R +10cts) Accuracy ± (1% R +3cts) 6.00 to 59.99V ±... -
Page 37: Dc Current Measurement
Specific Specifications in MAX/MIN mode in voltage (from 10Hz to 1kHz in AC and AC+DC, and from 0.30V): • Accuracy: add 1% R to the values of the previous table. • Capture of the extreme: approximately 100ms. Specific Specifications in PEAK mode in voltage (from 10Hz to 1kHz in AC and AC+DC): •... -
Page 38: Ac+Dc Intensity Measurement
4.2.6 AC+DC Intensity Measurement AC: 600A Measurement 0.15 to 60.0 to DC or PEAK: Range 59.99A 599.9A 600 to 900A Specified Measurement 0 to 100% of the measurement range Range Accuracy ± (1% R+10cts) ± (1% R +3cts) (zero corrected) Resolution 0.01A 0.1A... -
Page 39: Continuity Measurement
4.2.8 Continuity Measurement Measurement Range 0.0 to 599.9Ω Open-circuit Voltage ≤ 3.6V Measurement Current 550µA Accuracy ± (1% R +5cts) Buzzer Triggering Threshold Adjustable from 1 to 599Ω (40Ω is the default) 4.2.9 Resistance Measurement 0.0 to 600 to 6 to Measurement Range 599.9Ω... -
Page 40: Active Dc Power Measurements
4.2.11 Active DC Power Measurements Measurement 0 to 6.00 to 60.0 to 600 to Range 5.999W 59.99kW 599.9kW 900kW Specified 1 to 100% of the 0 to 100% of the Measurement measurement range measurement range Range Accuracy ± (2% R +10cts) ±... -
Page 41: Active Ac+Dc Power Measurements
Consumed Generated Note (7) - In balanced three-phases, with deformed signals (THD and harmonics), accuracies are guaranteed since Ф > 30°. Additional errors are following, depending of THD : Add +1% for 10% < THD < 20% Add +3% for 20% < THD < 30% Add +5% for 30% <... -
Page 42: Measurement Of Apparent Ac Power
4.2.14 Measurement of Apparent AC Power Measurement 5 to 6.00 to 60.0 to 600kVA (2) (4) Range 5999VA 59.99kVA 599.9kVA Specified 1 to 100% of the 0 to 100% Measurement measurement of the measurement range Range range Accuracy ± (2% R +10cts) ±... -
Page 43: Measurement Of Reactive Ac+Dc Power
Note (6) - Signs of reactive powers according to the four-quadrant rule (§4.2.12): Quadrant 1: Reactive power Q sign + Quadrant 2: Reactive power Q sign + Quadrant 3: Reactive power Q sign - Quadrant 4: Reactive power Q sign – Note (7) With deformed signals (THD and harmonics), uncertainties are guaranteed since Φ... -
Page 44: Calculation Of The Power Factor
4.2.18 Calculation of the Power Factor Measurement Range -1.00 to +1.00 Specified Measurement 0 to 50% of the 50 to 100% of the Range measurement range measurement range Accuracy ± (3% R +3cts) ± (2% R +3cts) Resolution 0.01 Note (1) If one of the terms in the calculation of the power factor is displayed as "OL", or forced to zero, the display of the power factor is an indeterminate value "----". -
Page 45: Specifications In Thdr
Specific Specifications in MAX/MIN mode (from 10Hz to 5kHz in voltage and from 10Hz to 1kHz in current): • Accuracy: add 1% R to the values of the table above. • Capture of the extreme: approximately 100ms. 4.2.20 Specifications in THDr Measurement Range 0.0 to 100% Specified Measurement... -
Page 46: Indication Of Order Of The Phases
4.2.22 Indication of Phase Order Frequency range 47 to 400Hz Acceptable voltage range 50 to 1000V Acquisition duration period ≤500ms approximately 10s at 50Hz Validity duration period approximately 2s to 400Hz Acquisition duration measurement period ≤500ms and phase order display Acceptable phase unbalance ±10 Acceptable amplitude unbalance... -
Page 47: Power Supply
POWER SUPPLY Batteries: 1x9V LF22 Battery life: >120 hours (without backlighting) Auto Power Off After 10 minutes with no switch and/or button activity COMPLIANCE WITH INTERNATIONAL STANDARDS Compliant with standards IEC-61010-1, Electric safety: IEC-61010-2-30, and IEC-61010-2-32: 1000V CAT III or 600V CAT IV Electromagnetic Compliant with standard EN-61326-1 compatibility:... -
Page 48: Environmental Variations
ENVIRONMENTAL VARIATIONS Condition Range of Measurement Influence Typical of influence influence influenced V AC 0.1% R/10°C V DC 0.1% R/10°C 0.5% R/10°C + 2cts 1% R/10°C* 1.5% R/10°C + 2cts* -4° to +131°F Temperature 0.1% R/10°C + 2 cts (-20 to +55°C) Ω... -
Page 49: Maintenance
5 MAINTENANCE WARNING Remove the test leads on any input before opening the case. • • Do not operate the clamp-on meter without a battery case cover. To avoid electrical shock, do not attempt to perform any servicing • unless you are qualified to do so. To avoid electrical shock and/or damage to the instrument, do not get •... -
Page 50: Repair And Calibration
N.I.S.T. (includes calibration certificate plus recorded calibration data). ® ® Chauvin Arnoux , Inc. d.b.a. AEMC Instruments 15 Faraday Drive Dover, NH 03820 USA Tel: (800) 945-2362 (Ext. 360) (603) 749-6434 (Ext. -
Page 51: Limited Warranty
LIMITED WARRANTY The Model 205 is warranted to the owner for a period of three years from the date of original purchase against defects in manufacture. This limited ® warranty is given by AEMC Instruments, not by the distributor from whom it was purchased. - Page 52 ® ® Chauvin Arnoux , Inc. d.b.a AEMC Instruments 15 Faraday Drive • Dover, NH 03820 USA www.aemc.com 99-MAN 100421 v1 11/15...
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