Hioki CM7290 Page 79 Instruction Manual Download

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Summary of Contents for CM7290

Page 1: ...CM7290 CM7291 Instruction Manual DISPLAY UNIT EN Oct 2018 Revised edition 2 CM7290A961 02 18 10H...

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Page 3: ...System operation 18 Maintenance operation 19 Handy functions 20 Key configurations 22 2 Pre measurement Preparation 25 2 1 Installing the Z5004 Magnetic Strap 25 2 2 Connecting the Sensor 26 2 3 Supp...

Page 4: ...Specifications 41 4 1 General Specifications 41 4 2 Input and Output Specifications and Measurement Specifications 43 4 3 Functional Specifications 49 4 4 Connection Terminal Specifications 53 4 5 Ext...

Page 5: ...g Pay particular attention to the accessories panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your authorized Hioki distributor or...

Page 6: ...d for banana terminal 1 5 m L9095 Output Cord for BNC terminal 1 5 m L9096 Output Cord for lead terminal 1 5 m C0220 Carrying Case for sensor and display unit C0221 Carrying Case for 30 m extension ca...

Page 7: ...ter See Options p 2 Turn the power on p 30 If being driven by an AC adapter the unit is automatically powered on Measuring Execute zero adjustment p 16 OK NO NO NO OK NO NO NO OK NO NO OK NO NO Zero a...

Page 8: ...ically powered on Connect the output of the unit to an external device p 31 You will need Output cord Extension cable if the sensor s output cable is not long enough See Options p 2 Measuring Execute...

Page 9: ...play unit to the sensor 3 Display unit to the output destination 4 Display unit to the standalone DC isolated power supply 2 Setting Configure the settings in the following order 1 Set the appropriate...

Page 10: ...use could cause damage to the unit Be certain that you understand the instructions and precautions in the manual before use Notation In this manual the risk seriousness and the hazard levels are clas...

Page 11: ...rds Indicates the Waste Electrical and Electronic Equipment Directive WEEE Directive in EU member states This symbol indicates that the product conforms to regulations set out by the EU Directive Indi...

Page 12: ...d its rated and specification ranges Doing so could make the unit break or heat up possibly resulting in bodily injury The sensor s maximum measurable current generally varies with the frequency and t...

Page 13: ...ion Exposed to high quantities of dust particles Cautions for connecting to terminals CAUTION To prevent damage to the BNC connector optional L9095 be sure to release its locking mechanism before pull...

Page 14: ...performance drop or leakage Do not mix new and old batteries or different types of batteries Pay attention to the polarity markings so that you do not insert the batteries the wrong way around Do not...

Page 15: ...rolonged measurement The unit can be turned on by powering an AC adapter so installation into other devices is made possible The CM7291 also provide Bluetooth communications functionality allowing mea...

Page 16: ...p 31 AC adapter jack external power supply jack p 28 Bottom AC adapter p 9 1 2 If the protector or dust cap gets dirty or damaged replace it as necessary Contact your authorized Hioki distributor or r...

Page 17: ...ual ranging p 16 10 Zero adjustment at power up enabled p 20 11 Save settings enabled p 20 12 Unit 13 Measured value main display 14 Items displayed when analysis display is enabled p 16 15 Subdisplay...

Page 18: ...y power warning display Battery full As the battery is discharged solid black bars disappear from left to right Battery low Please replace them as soon as possible flashing Battery depleted Replace wi...

Page 19: ...n the power source See 2 5 Connecting to an External Device p 31 Power source Turning on the power Example Batteries First turn off the power and then press the ON OFF key while pressing the key AC ad...

Page 20: ...er off with battery drive 1 second long press Display goes out Execute zero adjustment 1 second long press Example Resets the display value to zero after memorizing it Disabled if an AC current sensor...

Page 21: ...lso displayed in the subdisplay The peak values are 0 to peak values Polarity is indicated Display output communication Desired operation function How to set cancel it Screen display Enabled Lit Disab...

Page 22: ...ges WAVE 5 V 0 3 V RMS 0 V to 5 V 0 3 V PEAK 0 V to 2 3 V 0 1 V Enable Bluetooth communications only for CM7291 a 1 second long press See Making measurements with the Bluetooth function p 40 System op...

Page 23: ...Turn on power while pressing key 2 The model number and software version will be displayed Check if all LCD segments are displayed Turn on power while pressing key All segments of display will light...

Page 24: ...error component may result When this function is disabled press the 0ADJ key to execute zero adjustment as necessary Setting is memorized when power is turned off Save the settings Save settings 1 sec...

Page 25: ...screen will flash and the buzzer will sound The APS function will be automatically disabled if the output analysis display or keylock function is enabled When that function is disabled APS will be aut...

Page 26: ...value PEAK MIN Minimum peak value Switches the measurement mode Sets cancels the save settings function Sets cancels backlight auto off DC measurement AC measurement AC DC measurement Frequency measu...

Page 27: ...lay and output values are set to zero after being memorized Enables disables zero adjustment at power up The values in the main display will change to zero 0ADJ START Lit Unlit Switches the range Filt...

Page 28: ...s of Key Operations Key Short press 1 second long press Turn on power while pressing key Sets cancels 10 output amplification function This operation can only be performed during output operation 10 L...

Page 29: ...reparation 2 1 Installing the Z5004 Magnetic Strap Attach the optional Z5004 Magnetic Strap as required The magnet can be used to attach to a wall such as a metal surface Strap slit Magnet 2 10 9 8 7...

Page 30: ...or will be configured automatically measurement mode current rating output rate Insert the output connector of the sensor so that the arrow is aligned with the arrow on the sensor input connector of t...

Page 31: ...e replacing the batteries See Batteries p 10 IMPORTANT When indicator is lit the batteries are low Please replace the batteries as soon as possible When batteries are installed the unit will switch to...

Page 32: ...power supply jack AC adapter Outlet Connect 3 Connect Remove cap 1 When batteries are installed the unit will switch to battery power when the supply of power from the AC adapter is interrupted allow...

Page 33: ...play unit When using an external DC power supply other than the optional AC adapter be sure to use a power supply connector that qualifies as JEITA RC5320A Classification 3 EIAJ RC5320A TYPE 3 grip po...

Page 34: ...Turning the power on off Turning the power on short press Turning the power off long press When using the AC adapter or an external DC power supply The unit will remain on at all times Turning the pow...

Page 35: ...p 2 Insert the output cord all the way into the unit Otherwise the contacting will be poor and the measured value will not be output accurately Remove cap 1 Output jack Output cord 2 Insert 3 Connect...

Page 36: ...32 Connecting to an External Device...

Page 37: ...m as soon as possible If the batteries are low the unit may switch off when the backlight turns on or when a beep tone sounds Range Does the range correspond to the current Check by switching the rang...

Page 38: ...AC DC mode and use the FAST SLOW key to set the response speed to SLOW Auto ranging will be set You can alternatively set manual ranging p 16 There may be a delay in the display or output during low i...

Page 39: ...OFF Hz AC AC DC DC Hz AC CAUTION DC AC mode and AC mode have a frequency band of about 30 kHz 3dB for the wave outputting WAVE OUT function Selecting DC mode enables the low pass filter with a cut of...

Page 40: ...a sensor connected See Appx 1 Range Structure Output rate and Power Consumption Category with a Sensor Connected p Appx 1 for details about the range structure of each of the sensors Enabling OUTPUT w...

Page 41: ...er You can change the rate at which the display output is updated factory settings NORMAL Response speed Time FAST Fast rate NORMAL SLOW Slow rate See Display and output update rate p 49 Short press T...

Page 42: ...4 5 6 0 OK Optimal 0 0 0 0 0 0 V 1 2 3 4 5 6 0 OK Optimal 0 0 0 0 0 0 V 1 2 3 4 5 6 0 OK Optimal 0 0 0 0 0 0 V 1 2 3 4 5 6 0 OK Optimal 0 0 0 0 0 0 V 1 2 3 4 5 6 0 AC component converted displayed Uns...

Page 43: ...oogle account to download the app from Google Play For more information about how to register an account contact the store at which you purchased your device Because the CM7291 emit radio waves use in...

Page 44: ...the instrument s power For previously registered instruments the operations described above can be skipped Making measurements with the Bluetooth function Select the general measurement logging or wa...

Page 45: ...adapters 9445 02 Rated power supply voltage 100 V to 240 V AC allowing for 10 voltage fluctuation relative to rated power supply voltage Rated frequency 50 Hz or 60 Hz Expected transient overvoltage 2...

Page 46: ...ed OFF and the backlight turned OFF 0 Approx 30 hours Approx 19 hours 1 Approx 16 hours Approx 11 hours 2 Approx 8 hours Approx 6 hours 3 Approx 4 hours Approx 3 hours 4 Approx 1 4 hours Approx 1 hour...

Page 47: ...old Measurement modes Conditions for transition DC AC or DC AC To higher range 6001 counts or more To lower range 539 counts or less Frequency To higher range 10000 counts or more To lower range 899 c...

Page 48: ...FF Temperature coefficient Within the operating temperature range add measurement accuracy 0 1 C except 23 C 5 C Maximum extension length 100 m but will depend on device connected to Condition for AC...

Page 49: ...eater FILTER OFF for 400 dgt or greater 10 Hz f 45 Hz 1 8 rdg 15 dgt 45 Hz f 66 Hz 1 3 rdg 13 dgt 66 Hz f 1 kHz 2 0 rdg 15 dgt 1 10 for 300 dgt or greater 3 Hz f 10 Hz 1 2 rdg 10 dgt 10 Hz f 45 Hz 1 0...

Page 50: ...f 10 Hz 2 5 rdg 7 dgt 10 Hz f 66 Hz 2 5 rdg 7 dgt 66 Hz f 1 kHz Not specified 4 Frequency display Measured value MAX MIN AVG coupling method AC coupling In AC mode simultaneous display Factory setting...

Page 51: ...z 2 2 rdg 1 5 mV PEAK 5 10 Hz f 66 Hz 2 5 rdg 12 mV 1 10 WAVE 3 Hz f 10 Hz 3 1 4 rdg 1 2 mV 10 Hz f 45 Hz 1 0 rdg 1 0 mV 45 Hz f 66 Hz 0 5 rdg 0 8 mV phase 0 2 deg 66 Hz f 1 kHz 1 2 rdg 1 0 mV RMS 2 3...

Page 52: ...g 1 2 mV PEAK DC 2 5 rdg 7 mV 3 Hz f 10 Hz 3 2 5 rdg 7 mV 10 Hz f 66 Hz 2 5 rdg 7 mV 1 The output accuracy is for 1 output amplification For 10 amplification add f s error 10 and 0 3 rdg 2 During meas...

Page 53: ...ST 0 2 s 5 times s RMS SLOW 1 0 s 1 time s Analog output NORMAL 0 2 s 5 times s FAST 0 2 s 5 times s PEAK SLOW 1 s 1 time s 1 s 1 time s With sampling of 2 kS s maximum absolute value at update time i...

Page 54: ...memorized value 6 Analysis display MAX MIN AVG PEAK MAX PEAK MIN display The following are displayed in the main display in the order given from the start of analysis display Maximum value MAX Minimu...

Page 55: ...rom the AC adapter terminal external power supply terminal the unit is always on and the lights up 13 Backlight auto off Automatically turns off the backlight Factory setting enabled 14 Buzzer sound B...

Page 56: ...5 V 0 3 V RMS 0 V to 5 V 0 3 V PEAK FREQ 0 V to 2 3 V 0 1 V Screen display 10 lights up Factory setting OFF output amplification 1 21 Error displays Displays fault diagnosis results when the power is...

Page 57: ...ter not more than 10 mm 4 5 External Interface Specifications only for CM7291 Display function Display of measured values on a smartphone or a tablet while using Bluetooth communications Interface Blu...

Page 58: ...54 External Interface Specifications only for CM7291...

Page 59: ...nd on the usage conditions and the environment Determine a calibration interval that is suited to your usage conditions and environment and request to have calibration done by Hioki Precautions when t...

Page 60: ...h the AC adapter If the power turns on with battery power supply the AC adapter is probably faulty Replace it with an AC adapter of the specified type When batteries are used p 27 Have the batteries r...

Page 61: ...sensor jaws tightly closed Close them tightly If they are not properly closed the value will be low Is the measurement mode suitable Select a measurement mode that is suitable for the conductor to be...

Page 62: ...ency is high the display value will be lower than the total rms value p 45 Has the peak value exceeded the product specification If possible use a larger current range If that is not possible use a cu...

Page 63: ...ed Current measurement Are the current sensor tips damaged If damage is evident have it repaired The method for executing zero adjustment in the DC or AC DC measurement mode is correct Execute zero ad...

Page 64: ...equency p 17 Display value fluctuates Any poor contacting of the sensor cables etc Have the item s repaired if you suspect poor contacting Does the display output update time rate selected match the c...

Page 65: ...42 CT7742 AC DC Sensor 2000 A 2000 A 0 1 mV A 1 1 1 CT7642 2 CT7742 600 0 A 1 mV A 10 1 CT7044 CT7045 CT7046 AC Sensor 6000 A 6000 A 0 1 mV A 1 1 1 600 0 A 1 mV A 1 10 60 00 A 10 mV A 10 10 CT7126 AC...

Page 66: ...nt range 0 5 f s 100 A 0 1 8 1 10 A 0 5 A 0 08 A 0 58 A Above combined accuracy 1 3 rdg 58 A 0 58 A 0 754 A 0 58 A 1 334 A Consequently the accuracy for a measured value of 58 00 A is 1 334 A 2 Exampl...

Page 67: ...nstrument range output rate Accuracy guaranteed range of current measurement DC function AC function WAVE output WAVE output phase RMS output WAVE RMS DC 45 Hz f 66 Hz 60 00 A 10 mV A 0 00 A I 60 00 A...

Page 68: ...nge of current measurement DC function AC function WAVE output WAVE output phase RMS output WAVE RMS DC 45 Hz f 66 Hz 60 00 A 10 mV A 0 00 A I 60 00 A 3 00 A I 60 00 A 2 5 rdg 30 8 mV 2 5 rdg 30 8 mV...

Page 69: ...t WAVE output phase RMS output WAVE RMS DC 45 Hz f 66 Hz 600 0 A 1 mV A 0 00 A I 600 0 A 30 0 A I 600 0 A 2 0 rdg 10 8 mV 2 0 rdg 10 8 mV 2 5 2 3 rdg 10 8 mV 2000 A 0 1 mV A 0 A I 1800 A 300 A I 1800...

Page 70: ...0 A 1 8 rdg 2 3 A 6000 A 300 A I 6000 A 1 8 rdg 23 A Output accuracy Instrument range output rate Accuracy guaranteed range of current measurement AC function WAVE output phase RMS output WAVE RMS 45...

Page 71: ...A I 60 00 A 0 6 rdg 0 09 A Output accuracy Instrument range output rate Accuracy guaranteed range of current measurement AC function WAVE output phase RMS output WAVE RMS 45 Hz f 66 Hz 600 0 mA 1 mV...

Page 72: ...A I 60 00 A 0 6 rdg 0 10 A 100 0 A 30 0 A I 100 0 A 0 6 rdg 0 8 A Output accuracy Instrument range output rate Accuracy guaranteed range of current measurement AC function WAVE output phase RMS outpu...

Page 73: ...0 A I 600 0 A 0 6 rdg 0 86 A Output accuracy Instrument range output rate Accuracy guaranteed range of current measurement AC function WAVE output phase RMS output WAVE RMS 45 Hz f 66 Hz 6 000 A 100...

Page 74: ...8 mA 6 000 A 0 300 A I 6 000 A 1 3 rdg 0 011 A Output accuracy Instrument range output rate Accuracy guaranteed range of current measurement AC function WAVE output phase RMS output WAVE RMS 45Hz f 66...

Page 75: ...ponse time based on the following waveform response information RMS output input 3 Hz RMS Output 3 Hz Input Time sec RMS Output 3 Hz Input Time sec RMS output input 10 Hz RMS Output 10 Hz Input Time s...

Page 76: ...Appx 12 Measurement Response Waveforms PEAK output input 10 Hz PEAK Output 10 Hz Input Time sec PEAK output input 50 Hz PEAK Output 50 Hz Input Time sec...

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