Table of Contents
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Contents
Safety Requirements .............................................................................................. 1
Safety Instructions .................................................................................................. 1
Safety Sign ............................................................................................................... 2
General Description ................................................................................................ 2
Features ................................................................................................................... 2
Appearance .............................................................................................................. 3
Knob Switch Operations ......................................................................................... 4
Button Switch Operations ...................................................................................... 5
LCD Display .............................................................................................................. 8
Instruction Manual .................................................................................................. 9
Test Data Storage ................................................................................................. 17
Read Saved Data .................................................................................................. 17
RS232C Data Interface ........................................................................................ 18
Input Voltage and Current ................................................................................... 19
Backlight Display ................................................................................................... 19
Auto Power Off ...................................................................................................... 19
Diagram of Safe Holding ...................................................................................... 20
Power curve diagram ........................................................................................... 20
Battery-low Indication .......................................................................................... 22
Battery Replacement ............................................................................................ 22
General specification ............................................................................................ 23
Technical specification ......................................................................................... 23
Accessories ............................................................................................................ 26
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Summary of Contents for Huayi MS2205
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Page 1: Table Of Contents
Contents Safety Requirements ....................1 Safety Instructions ....................1 Safety Sign ....................... 2 General Description ....................2 Features ........................2 Appearance ......................3 Knob Switch Operations ..................4 Button Switch Operations ..................5 LCD Display ......................8 Instruction Manual ....................9 Test Data Storage .................... -
Page 2: Safety Requirements
Safety Requirements Please carefully read the instruction manual before using the tester, and pay special attention to “Warning” content. Please follow instructions under “Warning”. Please be very careful when test voltage is higher than AC 30 V, and do keep in mind that your finger shall not exceed the hand-shielding part of the test probe. -
Page 3: Safety Sign
Safety Sign Important safety signs; please refer to instruction manual High voltage hazard Earthing Double insulation (Category-II safety equipment) Battery low Indicator General Description The 3-phase clamp-type digital power meter is a hand-held intelligent harmonic power tester, with both functions of digital current testing and power testing. The tester is comprised of three channels including voltage, current, and power as well as a micro single chip system, and it is equipped with a powerful software for measurement and data processing functions;... -
Page 4: Appearance
with serious distortion in current waveform. Low-consumption high-speed single-chip microprocessor is employed and sophisticated algorithm is applied, as a result, results can be obtained rapidly and precisely, and up to 20 harmonics and distortion value thereof can be measured. It is equipped with a large-size memory for saving up to 100 groups of test parameters. -
Page 5: Knob Switch Operations
Current clamp size: Φ 50 mm HOLD button :DATA HOLD button; press down HOLD button, and the last reading will be held and displayed on the display, and “HOLD” symbol will be shown; press HOLD button again, and the meter will switch back to normal measurement mode. -
Page 6: Button Switch Operations
Knob position description Sign Knob position Functions Powering-off position For powering-off KW （ （ （ （ 1 Active power position For measuring active power, etc. phase ） ） ） ） Φ (1 phase) Single-phase/phase-angle For measuring phase angle, such as cos Test position Φ... - Page 7 Function-selection button Backlight button Reverse-search button ▲ Forward-search button ▼ REC/SAVE Data recording & storage button HOLD Hold button The following functions can be realized through button operations: WATT Button Under test mode, you can measure active power, apparent power, power factor, and phase angle and display the results on LCD by pressing WATT button.
- Page 8 Under test mode, you can press RS232 button to transfer the present test result to PC through a dedicated interface wire supplied for the meter so as to record/print data and data trend graph. Before pressing RS232 button for data transferring, the supplied RS232C interface wire shall be connected to RS232C interface socket of the meter and PC COM port, before realizing communication functions.
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Page 9: Lcd Display
held data in the meter. Up to 100 groups of data can be stored in the meter. HOLD Button After measurement, press this button to hold this data on LCD; after powering-off, data will display. LCD Display LCD symbol Description LCD symbol Description RS232... -
Page 10: Instruction Manual
LCD symbol Description LCD symbol Description Read Voltage READ Watt Current Passive power Frequency Apparent power PEAK Peak value Harmonic High-voltage percentage warning sign % THD Total harmonics distortion ratio H01F Total harmonics distortion ratio F (relative to base wave) Total harmonics distortion ratio r (relative to real effective H01r value) - Page 11 Inputting Inputting Inputting Test object Switch terminal V1 terminal V2 terminal V3 V1 socket COM/ V2 socket 1-phase V1 socket COM/ V2 socket 2-phase V1 socket COM/ V2 socket V3 socket 3-phase According to the connection mode as above Table , switch the function switching knob to V~, select corresponding sockets from V1, V2, or V3 terminal, and insert the test wire.
- Page 12 AC-current (A) measurement NEUTRAL Switch the function knob to A~ position; Pull the trigger to open the clamp, and then clip a wire which is to be tested; the measured current value will be automatically shown on LCD Press MODE button to show harmonics percentage on LCD, and the total harmonic distortion ratio F and r will be cyclically displayed.
- Page 13 Under AUTO frequency test mode, FFT calculation is performed only when base-wave frequency is between 45 and 65 Hz; harmonic analysis is not performed when base-wave frequency exceeds this range. Test of single-phase circuit Clip the clamp on the test wire of the power supply or load. If the user needs to measure a certain phase of the 3-phase circuit, then the clamp should clip on the wire of the same phase.
- Page 14 power factor (cos Φ); negative power factor signifies that the load being tested is a load with capacitor characteristics. The maximum measurement range of active power kW is 600 kW; if this range is exceeded, “OL” symbol will be displayed beyond this range. If voltage being tested is greater than 600 V, or current being tested greater than 1000 A, “OL”...
- Page 15 Press down U button, voltage value, voltage peak value and frequency will be displayed on bottom line of LCD. Press REC/SAVE button to show MAX and MIN Press SET button to display AUTO, and press ▲ / ▼ button to set measurement range for voltage and current;...
- Page 16 balanced load, measured result is accurate, while error of total power will increase if power variation is large. switch function-switching knob to kW/Φ (3 phase) position, and connect test clamp to phase-1 test wire of the load, and then connect V1 terminal / yellow test probe, V2 terminal / black test probe, and V3 terminal / green test probe to the live line of phase 1, phase 2, and phase 3, respectively, of the 3-phase load without connecting the netural line.
- Page 17 Y e l l o w B l a c k 1 P H A S E R e d Measurement of power and power factor of 3-phase 3-line circuit B l a c k 1 P H A S E B l a c k R e d 1 P H A S E...
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Page 18: Test Data Storage
Measuring power of 3-phase 4-line load (for imbalanced load) In the case of imbalanced load, the measuring process is the same as that of 1-phase 2-line system, and the measuring mode is set as 1-phase mode. connect the black clip to the middle line, and then simultaneously switch the yellow clip and clamp sensor to corresponding wires;... -
Page 19: Rs232C Data Interface
Press READ button to show the saved serial number and data on LCD. If you need to check the records stored previously or afterwards or harmonic level, press ▲ / ▼ b utton to make selections. when harmonic level data is displayed , press watt button, thenpress ▲ / ▼ button to select record number. -
Page 20: Input Voltage And Current
M A X 6 0 0 V O P T IC A L IN T E R F A C E R S 2 3 2 PC COM 计 算 机 (RS232C connection diagram) Input Voltage and Current During power measurement, if input voltage is over 600 V (RMS) or current over 1000 A (RMS), “OL”... -
Page 21: Diagram Of Safe Holding
Diagram of Safe Holding using wrist belt can prevent unintended dropping of the meter. OPEN WARNING PLEASE R EAD MANUAL FO R SAFE TY.TO AVO ID ELECTRIC AL SHO C K NEVER C O N NE CT TH E TEST LEADS TO THE INPUT JAC KS W HIC H ARE N O T FO R RELATED MEASU RING AN D REMO VE ALL IN PUTS BEFO R E O PENING C ASE. - Page 22 500W ACTIVE POWER kW=I R...
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Page 23: Battery-Low Indication
Battery-low Indication If battery voltage is low, “ ” symbol will be displayed on the upper right corner of LCD. Then, it is needed to replace new batteries. Battery Replacement Warning 1. Before opening the back lid to replace batteries, please make sure the meter is turned off and no test probe is connected to any test wire so as to avoid electrical shock;... -
Page 24: General Specification
you can open the cover as per Figure 23: insert a coin to the slot on the cover, and press down the coin to open the lock buckle, and then slide off the cover downward. Please do not use tapered tool to pry open the cover, otherwise meter housing will be damaged. - Page 25 AC voltage Range Accuracy Resolution Input impedance ± (1.0%+5) 0.1V 1 M // 10 pF 180V ± (1.0%+5) 0.1V 400V ± (1.0%+5) 600V ± (1.0%+5) Max. allowed overload voltage: 750 V (RMS) AC Current Range Accuracy Resolution ±(2%+5) 0.01A ±(2%+5) 0.01A 100A ±(2%+5)
- Page 26 Min. test current: 2A; Min. test voltage: 50V Three-phase active power Range Accuracy Resolution 3kVA ±(3%+5) 0.001kVA 12kVA ±(3%+5) 0.01kVA 30kVA ±(3%+5) 0.01kVA 120kVA ±(3%+5) 0.1kVA 150kVA ±(3%+5) 0.1kVA 600kVA ±(3%+5) 0.1kVA Min. test current: 2A; Min. test voltage: 50V Power factor Range Accuracy...
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Page 27: Accessories
Frequency (Hz) Range Accuracy Resolution 30Hz~1kHz 0.5% + 1 0.1Hz graduation Min. test voltage: 50 V Harmonic test Harmonic Precision of harmonic voltage number ±(3.0%+ 10 ) ±(3.5% + 10 ) ±(4.5% + 10 ) ±(5.0% + 10 ) 9-10 ±(7% + 10 ) 11-15 ±(10% + 10 ) - Page 28 Quality Assurance Thank you for using the product of our company; this product has a warranty period of one year starting from purchasing date. This product has passed the strict quality test of our company. Our company will exert our efforts to do after-sales service for you in accordance with the Warranty instructions.
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