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Measuring Frequency

3.3 Measuring Frequency

The instrument will measure the frequency of the line voltage V

Display the Frequency

Measurement screen (p. 29).

Check the measured value.

(The frequency of the line voltage

VRS will be displayed.)

The display will indicate

[Lo]

if the measured

frequency is less than 45.0 Hz or

[ovEr]

if the

frequency exceeds 66.0 Hz.

Press

MODE

(The Line Voltage Measurement

screen will be displayed.)

During frequency measurement, only the line voltage VRS

frequency is measured. Specifically, the instrument measures

the differential signal between voltage sensor R (1) and voltage

sensor S (2).

付録

索引

Содержание PD3259

Страница 1: ...XXXXXXX EN EN PD3259 DIGITAL PHASE DETECTOR Instruction Manual Apr 2019 Revised edition 1 PD3259A981 01 19 04H PD3259 DIGITAL PHASE DETECTOR Instruction Manual Apr 2019 Revised edition 1 PD3259A981 01...

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Страница 3: ...ng Color Spirals and Bundling Cables Together 20 2 3 Attaching the Magnetic Strap Optional 21 2 4 Installing and Replacing Batteries 22 2 5 Inspecting the Instrument 23 2 6 Turning the Instrument On a...

Страница 4: ...2 Holding the Display 42 Enabling and disabling the hold function 42 4 3 Turning On the Backlight 43 Enabling and disabling the backlight 43 4 4 Displaying the Predicted State for a 3 phase Circuit 4...

Страница 5: ...iii Contents Appendix Appx 1 Appx 1 About 3 phase Circuits Appx 1 Appx 2 About the Instrument s Voltage Sensors Appx 2 Index Ind 1...

Страница 6: ...iv Contents...

Страница 7: ...ment verify that it has not suffered any damage during shipment before using it Pay particular attention to the accessories panel keys and cables If damage is evident or if it fails to operate accordi...

Страница 8: ...instrument in a way not described in this manual may negate the provided safety features Before using the instrument be certain to carefully read the following safety notes CAUTION Mishandling during...

Страница 9: ...the instrument or maintenance tasks with which the operators must be fully familiar Indicates a strong magnetic field hazard The effects of the magnetic force can cause abnormal operation of heart pa...

Страница 10: ...completely protected by double insulation and reinforced insulation Indicates the grounding terminal Indicates DC Direct Current Indicates AC Alternating Current Indicates the power supply s on and of...

Страница 11: ...curacy We define measurement tolerances in terms of rdg reading and dgt digit values with the following meanings rdg Reading or displayed value The value currently being measured and indicated on the...

Страница 12: ...e carefully avoided This instrument conforms to the safety requirements for CAT IV 600 V measuring instruments CAT II When directly measuring the electrical outlet receptacles of the primary electrica...

Страница 13: ...nd specification ranges Doing so may result in damage to the instrument or electric shock Before using the instrument check the instrument for any damage that may have been sustained while in storage...

Страница 14: ...accident or damage to the instrument Exposed to direct sunlight or high temperature Exposed to corrosive or combustible gases Exposed to a strong electromagnetic field or electrostatic charge Near in...

Страница 15: ...r is visible from the inside of the cable do not use the instrument CAUTION Avoid stepping on or pinching cables which could damage the cables insulation To prevent damage due to snapped wires do not...

Страница 16: ...battery performance drop or leakage Do not mix old and new batteries or different types of batteries Pay attention to the polarity markings so that you do not insert the batteries the wrong way around...

Страница 17: ...asurement target is an insulated wire with dirt or moisture on its insulation the instrument may display lower values than the actual voltage If the surface of the measurement target s insulation has...

Страница 18: ...12 Operating Precautions...

Страница 19: ...because it lets users measure line voltages verify that wires are live and check phase voltages and the ground phase at once it eliminates wiring errors and reduces work times Phase detection function...

Страница 20: ...Front 1 4 5 3 7 6 Rear 2 p 10 1 Voltage sensor p 25 2 Display p 16 3 POWER p 24 4 HOLD Allows the user to manually hold the detection results and measured values being shown on the display p 42 5 MOD...

Страница 21: ...rriers To avoid electric shock avoid touching the part of the sensor beyond these barriers during use p 25 2 Clip Attach the clip to the wire being measured taking care to align the position of the me...

Страница 22: ...that phase will turn off missing phase prediction function Line voltage VRS V1 2 p 30 Line voltage VST V2 3 p 30 Line voltage VTR V3 1 p 30 AC current Normal positive phase sequence order detected whe...

Страница 23: ...ery power remains Replace the batteries with new batteries immediately Continued use may cause power to the instrument to be interrupted Measurement accuracy cannot be guaranteed in this state The bat...

Страница 24: ...18 Part Names and Functions...

Страница 25: ...options as needed Inspect the instrument p 23 Turn on the instrument p 24 Connect voltage sensors p 25 Performing measurement Measure the circuit p 29 Measuring line voltages in a 3 phase circuit p 30...

Страница 26: ...nsors attach the included color spirals red blue and yellow to both cables of the voltage sensor side and instrument side 2 Bundle the voltage sensor cables together with the included spiral black 2 1...

Страница 27: ...ttaching the Magnetic Strap Optional When the optional Z5020 Magnetic Strap is attached to the instrument the magnetic portion can be used to hold the instrument in place on steel sheet and other magn...

Страница 28: ...ry power remaining replace the batteries p 17 You will need A screwdriver LR AA size alkaline batteries 4 Procedure 1 Press POWER to turn off the instrument 2 Untighten the screws that holds the batte...

Страница 29: ...ment s insulation may have been compromised Avoid using the instrument due to the risk of electric shock and have it repaired Is the cables insulation damaged or is any metal exposed If there is any d...

Страница 30: ...24 Turning the Instrument On and Off 2 6 Turning the Instrument On and Off Press POWER to turn the instrument on and off...

Страница 31: ...e The sensors can be attached to wires with diameters ranging from 6 mm to 30 mm DANGER To prevent electric shock do not touch the clips in front of the barrier during use Example When measuring a thi...

Страница 32: ...e impossible due to the effects of nearby wires The sensor is attached to the insulated wire by the tip of the clip The sensor is attached to the insulated wire at an angle The insulated wire has been...

Страница 33: ...target is an insulated wire with dirt or moisture on its insulation the instrument may display lower values than the actual voltage If the surface of the measurement target s insulation has dirt or mo...

Страница 34: ...le holding the instrument Measurement using the Z5004 Magnetic Strap R S T R R T T S S 1 2 3 1 2 3 1 2 3 R S T 1 2 3 R R T T S S 1 2 3 1 2 3 Line naming conventions The three phases are known by vario...

Страница 35: ...ine Voltage Measurement screen p 30 Phase Voltage Measurement screen p 31 Press and hold Phase Detection screen p 32 Phase Voltage Measurement screen p 31 Frequency Measurement screen p 33 Return to L...

Страница 36: ...ured the three line voltage values will be shown on the display 1 Display the Line Voltage Measurement screen The Line Voltage Measurement screen is displayed first when the instrument turns on 2 Chec...

Страница 37: ...virtual neutral point ground as the reference The displayed phase voltages are reference values whose accuracy is not guaranteed 1 Display the Line Voltage Measurement screen The Line Voltage Measurem...

Страница 38: ...Display the Phase Detection screen p 29 Yellow Green 2 Check the Phase Detection screen Normal phase The display will indicate and The display s backlight will turn yellow green and the instrument wil...

Страница 39: ...oltage VRS will be displayed The display will indicate Lo if the measured frequency is less than 45 0 Hz or ovEr if the frequency exceeds 66 0 Hz 3 Press MODE The Line Voltage Measurement screen will...

Страница 40: ...34 Checking Phase Order in a 3 phase Circuit Phase Detection Function...

Страница 41: ...can be set as described below Perform the indicated operation while the instrument is turned off HOLD MODE Auto power on function setting p 37 Phase display switching function setting p 39 To power on...

Страница 42: ...36 Power on Options HOLD MODE Display version information p 41 Display serial number p 41 To power on screen...

Страница 43: ...l automatically turn off once 10 min has passed since the last key operation It will beep intermittently starting 30 sec before the power turns off The APS icon will be displayed Indicating that auto...

Страница 44: ...ing the auto power off function Turn on the instrument while holding down HOLD APS oFF will be displayed The power on screen will be displayed The APS icon will no longer be displayed Indicating that...

Страница 45: ...voltage display 1 Turn on the instrument while holding down MODE 2 Press HOLD to select the phase display rst 123 3 Press MODE 4 Press MODE again After the power on screen is displayed the instrument...

Страница 46: ...ration and phase detection 1 Turn on the instrument while holding down MODE 2 Press MODE 3 Press HOLD to select whether to enable or disable the beep function on oFF 4 Press MODE After the power on sc...

Страница 47: ...LD and MODE at the same time The display will indicate vEr 2 Press MODE 3 Check the serial number Example Serial number 151200001 The serial number consists of 9 digits The first two from the left ind...

Страница 48: ...abling and disabling the hold function Press HOLD to select whether to enable or disable the hold function When HOLD is not shown during normal operation The hold function is disabled When HOLD is sho...

Страница 49: ...and hold HOLD To select whether to enable or disable the backlight Ordinarily the yellow green backlight turns on The red backlight turns on only when reversed phase is detected The backlight automati...

Страница 50: ...play will indicate underneath Similarly if the R phase is grounded the display will indicate underneath and if the T phase is grounded the display will indicate underneath Similar displays are used if...

Страница 51: ...ge sensor IP54 EN 60529 Standards Safety EN61010 EMC EN61326 Class A Dielectric strength 7 4 kV AC sensed current 1 mA Between voltage sensor opening and instrument enclosure Power supply LR6 AA size...

Страница 52: ...wires 3 phase 90 0 V AC to 520 0 V AC 45 Hz to 66 Hz Measurable conductor diameter Outer diameter 6 mm to 30 mm Voltage detection method Coupled capacitance cancellation method Voltage sensor rated vo...

Страница 53: ...0 5 rdg 1 dgt Effects of external magnetic fields Within 6 0 V for 400 A m AC 50 Hz 60 Hz field Effects of nearby wires Add 4 0 V to measured voltage values Value describes effect when an adjacent wir...

Страница 54: ...backlight Backlight time Max 30 sec 2 sec Beep function Key tone Single tone When normal phase is detected by phase detection function Intermittent tone When reversed phase is detected by phase detec...

Страница 55: ...of the instrument be sure to adhere to all applicable local regulations Calibration The interval at which the instrument must be calibrated varies with the manner and environment in which it is used I...

Страница 56: ...not show anything when the instrument is turned on Have batteries been properly installed in the instrument Check the type of battery in use and the orientation in which they have been installed p 22...

Страница 57: ...requency 50 Hz or 60 Hz The instrument does not support 400 Hz frequency as a line frequency The instrument is designed exclusively for use with 50 Hz and 60 Hz circuits The accuracy guarantee only ap...

Страница 58: ...45 Hz to 66 Hz The instrument cannot be used to measure 400 Hz circuits accurately Have the voltage sensors been properly attached to the measurement targets wires Check how the voltage sensors have...

Страница 59: ...M error program Take the following action if the display indicates an error Replace the batteries with new batteries p 22 If this fails to resolve the issue the instrument needs to be repaired Err 002...

Страница 60: ...54 Troubleshooting...

Страница 61: ...ase voltage 2 Line voltage The 400 V lines depicted in the figure have a line voltage of 415 V yet have a voltage relative to ground of approximately 240 V It is possible to measure this circuit using...

Страница 62: ...current I flows due to capacitive coupling between the measurement target and the voltage sensor s internal electrode I fCV 2 1 I fCV 2 Frequency of measurement target Hz I fCV 2 Capacitance between...

Страница 63: ...nuscule current I and the voltage of the voltage sensor s internal electrode is controlled so that I 0 The same voltage V2 as the measurement target s voltage V1 is generated internally by the sensor...

Страница 64: ...Appx 4 About the Instrument s Voltage Sensors...

Страница 65: ...px 3 D Display 16 H HOLD 16 Hold function 42 I Insulated wire 46 Interruption of power 17 L Line voltage 16 LR6 AA size alkaline batteries 1 M Magnetic strap 2 21 Measuring frequency 33 Measuring line...

Страница 66: ...Ind 2 Index V Voltage sensor 15...

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Страница 70: ...XXXXXXX EN EN PD3259 DIGITAL PHASE DETECTOR Instruction Manual Apr 2019 Revised edition 1 PD3259A981 01 19 04H PD3259 DIGITAL PHASE DETECTOR Instruction Manual Apr 2019 Revised edition 1 PD3259A981 01...

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