Mastech MS2203 User Manual
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Mastech MS2203 User Manual

3 phase digital power clamp meter
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3 PHASE DIGITAL POWER
CLAMP METER
USERS MANUAL

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Summary of Contents for Mastech MS2203

  • Page 1 3 PHASE DIGITAL POWER CLAMP METER USERS MANUAL...

  • Page 2: Table Of Contents

    CONTENTS Safety Precautions - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Safety Information - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Safety Symbols - - - - - - - - - - - - - - - - - - - - - - - - - - - - - General Description - - - - - - - - - - - - - - - - - - - - - - - - - - 2 Feature - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 3: Safety Precautions

    operating your meter. Pay particular attention to WARNING. The instructions in these warnings must be followed. · You must be careful when working with voltages above 30V AC. Keep fingers behind the probe barriers while measuring. · Never use the meter to measure voltages that might exceed the maximum allowable input value of any function measurement mode.

  • Page 4: Safety Symbols

    Safety Symbols Important safety information, refer to the operating manual Dangerous voltage may be present. Earth ground Double insulation (Protection classⅡ) Battery General Description Three-phase digital power clamp meter is a handheld aptitude meter with power measurement, it is incorporated current meter and power measurement instrument.
  • Page 5 Using autorange switch circuit and modulus transducer which has 8000 count and high resolution, the instrument has high accuracy and easy operation. Minimum current of Active Energy measurement is 0.5A, it can measure expending energy per hour of general electrical equipment. Measurement and display five parameters of power: Active Power, Apparent Power, Power Factor, Reactive Power, Active Energy.

  • Page 6: Meter Layout

    Meter Layout 1000A 600V 600kW CAT.I DIGITAL POWER CLAMP HOLD MS2203 600V OPTICAL INTERFACE RS232 Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR RS232 FREQ kVAr Time 30 80 SAVE ( Figure 1 ) Ф50mm...

  • Page 7: Using The Selector

    Input terminal V1: The input terminal for the first phase, using the yellow test lead to connect. V2: The input terminal for the second phase, using the green test lead to connect. V3: The input terminal for the third phase, using the red test lead to connect.

  • Page 8: Using The Buttons

    ( Table 1. Introducing The Selector ) ITEM DESCRIPTION Φ3 THIRD MEASUREMENT CHANNEL. For V3 input terminal measurement Φ2 SECOND MEASUREMENT CHANNEL. For V2 input terminal measurement Φ1 FIRST MEASUREMENT CHANNEL. For V1 input terminal measurement Using the buttons ( Table 2. Function Button) ITEM DESCRIPTION k W / P F...
  • Page 9 k W / P F Active Power, Power Factor Measurement Button k W / P F Press button to measure Active Power and Power Factor in measurement mode. Then the LCD shows Active Power reading in the primary display and Power Factor reading in the secondary display.
  • Page 10 Current Measurement Button Press button to measure current of the circuit and display the measurement value in the LCD display. R S 2 3 2 Data Transmit Button R S 2 3 2 Press button to transmit measured data to a computer by special interface cable, you can record current measured value and print reports and data trend curve drawing.

  • Page 11: Lcd Display

    M IN When you turn the selector to MR, press button to recall next memory location and display the data on the LCD. Once pressing this button, the clamp meter recalls a memory location next current location. S A V E Data Save Button S A V E Press...
  • Page 12 Voltage unit (V), current unit (A), Apparent Power unit (kVA) ( For primary display ) 10. Active power unit (kW)、Active Energy unit (kWh) 11. 4 digit display ( For primary display ) 12. Frequency unit 13. Voltage unit (V), current unit (A), Apparent Power unit (kVA), Reactive Power unit (kVAr) ( For secondary display ) 14.

  • Page 13: Making Measurements

    Making Measurements Measuring AC Voltage Circuit 1000A 600V 600kW CAT.I FREQ HOLD Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR FREQ FREQ SAVE Black Yellow ( Figure 3. Voltage Measurements) Turn the selector to one of Φ1,Φ2,Φ3, refer to Table 3 to connect the test leads to input terminals: Insert the black test lead into the COM input terminal and one corresponding color test lead into the corresponding input terminal.( Figure 3 )
  • Page 14 M A X In voltage measurement mode, press button, the LCD displays “MAX“ symbol, then maximum value(TRMS) is shown in M A X the secondary display. Press button again, the “MAX” symbol is disappeared, the secondary display return to current frequency value .

  • Page 15: Measuring Ac Current

    Measuring AC Current Test ed conduct or 1000A 600V 600kW CAT.III Earth wire HOLD Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR RS232 RS232 SAVE ( Figure 5. Current Measurements) Turn the selector to one of Φ1,Φ2,Φ3. Press the trigger to hook the clamp jaw around one conductor to be measured.
  • Page 16 There are two modes to show the bar graph. You can observe the fluctuation range of measured current. The first mode is 0-20-40-60-80-100, the second is 0-10-20-30-40.( Figure 5 and Figure 6 ) Tested conductor 1000A 600V 600kW CAT.I Earth wire HOLD Ture RMS AUTO RANGE...

  • Page 17: Measuring Single-Phase Circuit

    Measuring Single-Phase Circuit Tested conductor 1000A 600V 600kW CAT.I Earth wire HOLD Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR SAVE Black Green （ ） Figure 8. Single-phase Power Measurements Hook the clamp jaws around the conductor of the loading or the circuit.
  • Page 18 The maximum measurement range of Active Power is 600kW. For exceeding the maximum value, the “OL” symbol will be shown in the display. If test voltage exceeds 600V or the test current exceeds 1000A, the “OL” symbol will be shown in the display too. And the bar graph is full.(Figure 9) The minimum input voltage is 20V and the minimum input current is 5A, if it less than the minimum input voltage and minimum input current, the...
  • Page 19 ( 2. ) Apparent Power (kVA)and Reactive Power ( kVAr ) k V A Press button, the Apparent Power value is k V A r shown in the primary display, Reactive Power value and the bar graph “0-20-40-60-80-100” are shown in the secondary display.（Figure 10）...
  • Page 20 (3.) Active Energy (kWh) and Time（hmin） In Active Energy measurement mode, voltage signal must be input into V1 and COM terminal of the clamp meter (Figure 11), and the selector must be turned to Φ1.So the Active Energy measurement function is valid, Tested conductor Earth wire 1000A...

  • Page 21: Measuring Three -Phase Four-Wire Circuit

    and continue to measure, Active Energy value still add up. Active energy measurement don’t stop until select other measurement function. M A X M IN button and button is invalid in Active Energy measurement mode. The maximum value of Active Energy is “9999kWh”. If Active Energy value exceeds the maximum value , the display will show “OL”...
  • Page 22 Refer to Table 3, connect yellow test lead, green test lead, red test lead to every phase live wire of the three-phase circuit and V1 jack, V2 jack, V3 jack of the meter respectively, connect black test lead to zero conductor of the circuit and COM jack of the meter. Turn the selector to Φ1 at first ( to first phase measurement ), hook the clamp jaw around the first phase conductor of the tested k W / P F...
  • Page 23 3. Turn the selector to Φ2(to the second phase measurement), hook the clamp jaw around the second phase conductor of the tested k V A k W / P F circuit, press button and button to measure k V A r power parameter respectively, when measured result is shown every time, you must press button to sum in turn.
  • Page 24 Tested conductor 1000A 600V 600kW CAT.I Earth HOLD Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR SAVE Black Green Yellow kVAr ( Figure 14. The Third Phase Power Measurements ) 5. After above every phase measurement, turn the selector to ∑W, then the display shows total Active Power value and Power Factor value of the three-phase load (Figure 15).
  • Page 25 Tested conductor 1000A 600V 600kW CAT.I I I Earth wire HOLD Ture RMS AUTO RANGE kW / PF kVAr TIME V / Hz RS232 CLEAR SAVE Black Red Green Yellow ( Figure15. Total Active Power Of Three-Phase ) Tested conductor 600V 600kW CAT.I...

  • Page 26: Measuring Three-Phase Three-Wire Circuit

    Measuring Three-Phase Three-Wire Circuit In three-phase three-wire circuit, the operation of the selector and function button is same as the operation in three-phase four-wire circuit except the connection of test leads.(Figure 17) 1000A 600V 600kW CAT.I I I Tested conductor HOLD Ture RMS AUTO RANGE...

  • Page 27: Rs232C Date Interface

    2. The display shows “MR” and “HOLD” symbol, location number and date in current memory location. M A X M IN Press button and button to cycle through memory location. RS232C Data Interface Connect RS232C interface cable to the clamp meter as shown in Figure 18, then rotate the interface cable deasil to lock it in the meter.

  • Page 28: Input Voltage And Current

    Input Voltage And Current When the meter is in power measurement mode, if input voltage exceeds 600V(TRMS)or current exceeds 1000A (TRMS), the meter will display “OL” symbol, and bar graph is full. When input voltage exceeds 30V, the “ ” symbol is shown in the display for safety. Backlight Display When press button, backlight of LCD display is on.

  • Page 29: Curve Diagram Of Power

    Curve Diagram Of Power ( PF=KW / KVA ) 2000W 2000W PEAK VALUE OF POWER =141V PEAK VALUE 1000W ACTIVE POWER POWER 180° 90° 360° =14A PEAK VALUE ( Figure 20. PF=1) 500W ACTIVE POWER KW = I R 180° 45°...

  • Page 30: Low Voltage Indication

    Low Voltage Indication The " " symbol is shown on the top right of the LCD display, when the batteries is weak, you need replace new batteries or use the EX- P function of the meter now. Turn the selector to EX- P , the meter use the measured voltage signal as power supply to work.

  • Page 31: Specifications

    When the LCD displays the “ ” symbol, the batteries must be replaced to maintain proper operation. Use the following procedure to replace the batteries: 1. Disconnect test leads from any signals, turn the rotary function switch to OFF, and remove the test leads from the input terminals.
  • Page 32 AC CURRENT RANGE ACCURACY RESOLUTION ±(2%+5) 0.1A ±(2%+5) 100A 0.1A ±(2%+5) 400A 0.1A ±(2%+5) 1000A 0.1A Max. Overload Current：1500A ACTIVE POWER (W ) RANGE ACCURACY RESOLUTION ±(3%+5) 0.01kW ±(3%+5) 10kW 0.01kW ±(3%+5) 40kW 0.01kW ±(3%+5) 100kW 0.01kW ±(3%+5) 600kW 0.1kW Minimum measurement current : 5A Minimum measurement voltage : 20V （VA）...
  • Page 33 （PF） POWER FACTOR RANGE ACCURACY RESOLUTION ±(0.02+2) 0.3～1 Capacitive 0.001 ±(0.02+2) 0.3～1 Inductive 0.001 Minimum measurement current : 5A Minimum measurement voltage : 20V REACTIVE POWER (Var) =(VA) +W RANGE ACCURACY RESOLUTION ±(4%+5) 4kVAr 0.01kVAr ±(4%+5) 10kVAr 0.01kVAr ±(4%+5) 40kVAr 0.01kVAr ±(4%+5) 100kVAr...

  • Page 34: Accessories

    FREQUENCY ( Hz ) RANGE ACCURACY RESOLUTION 20Hz～1kHz 0.5% 0.1Hz Minimum measurement voltage: 20V * Accuracy：% of reading + number of digits The specification given assume an operating temperature: 18 ℃～28℃,humidity up to: 80% , the frequency of voltage and current is 45Hz～65Hz * Maximum common made voltage: 600V AC RMS * Display : LCD 9999...
  • Page 35 HYS004924...

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