USER'S MANUAL BM157 & BM357
Contents
1. MAX 1000A 600V CATIE PEAK rmsf A 7 HOLD G C Oxwer 5 sad 3W 4w PC Comm C True RMS 9 o 3 phase Power Clamp SELECT 4H 3 Bal 1 2 Power 3 Un Bal Nibo m Q LL MAX COM eovcarm O O BM157 amp BM357 3 Phase PowerClamp MAX 600A 600V CAT PEAK rms A A m HOLD 1 C QOwrr 3 Bal 1 3W AW PC Comm C 3 True RMS A aul i N L zT riii ned D Chowk AR Ci ri SELECT at Hz V A E 3 Bal 1 Au C Power Un Bal i Q 6 sova CAT I 6 O USER S MANUAL BRYMEN BRIGHT PEOPLE S CHOICE 1 1 SAFETY This manual contains information and warnings that must be followed for operating the instrument safely and maintaining the instrument in a safe operating condition If the instrument is used in a manner not specified by the manufacturer the protection provided by the instrument may be impaired The meter protection rating against the users is double insulation per IEC61010 1 2nd Ed EN61010 1 2nd Ed UL61010 1 2nd Ed CAN CSA C22 2 No 61010 1 0 92 IEC61010 2 032 EN61010 2 032 amp UL61010B 2 032 Category CAT III 600V AC amp DC PER IEC61010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY II Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE C2. function as long as its signal remains above the specified threshold Press SELECT button momentarily to manually select and lock annunciator Auto turns off thru the functions ACA ACV DCV and then goes back to Auto VA 5 CAUTION Application and removal of the Clamp on meter eFor non invasive ACA current measurements press the jaw trigger and clamp the Jaws around only one single conductor of a circuit for load current measurement Make sure the jaws are completely closed or else it will introduce measurement errors Enclosing more than one conductor of a circuit will result in differential current like identifying leakage current measurement Locate the conductor s at the Jaws center as much as possible to get the best measuring accuracy For removal press the jaw trigger and remove the jaws from the conductor s e Adjacent current carrying devices such as transformers motors and conductor wires Will affect measurement accuracy Keep the jaws away from them as much as possible to minimize influence THD F Total Harmonic Distortion Fundamental function model 157 only Total Harmonic Distortion Fundamental THD F function is designed to give basic indication on the presence of Harmonics It is the percentage ratio of the Total Harmonics RMS value to the Fundamental RMS value of a voltage or current signal and is given by the expression THD F Total Harmonics RMS Fundamental RMS x 100 An ideal sinusoidal waveform h
3. press 3 Bal 1 and HOLD buttons at the same time Annunciator P turns on amp flashes KWHr accumulated time in Hour is displayed automatically in the secondary mini display eTo pause PALS press HOLD button momentarily Annunciator stops flashing and is always on e To continue Lonb press the HOLD button momentarily again Annunciator resumes flashing 11 e To stop StoP press the 3 Bal 1 and HOLD buttons at the same time again Annunciator turns off The KWHr Recording result is then displayed on the LCD for immediate viewing Annunciator Gi turns on amp flashes eWhen the low battery annunciator 3 turns on the meter will stop Sko kWHr recording session automatically and display KWHr Recording result as in above Note eDuring kWHr Recording session real time W VAR VA as well as kWHr accumulated readings can be selected by pressing the SELECT button momentarily A flashing denotes that kWHr Recording is still under going An always on denotes that KWHr Recording is being paused eWhen kWHr Recording is not activated kWHr stored result instead of accumulated readings is displayed when selected as in above Annunciator fl turns on amp flashes eThe meter separately stores one Single Phase and one 3 Phase Balanced Load kWHr result for later viewing When they are being viewed press 3 Bal 17 button momentarily to togg
4. specified at 50 60Hz fundamental without the presence of harmonics and at ACV gt 90V ACA gt 9A and PF lt 0 95 kWHr kilo Watt Hour Energy Time base accuracy 30ppm Non volatile memory Separately stores one 3 Phase Balanced Load and one Single Phase result 3 Phase Unbalanced Load Power This 3 Phase Unbalanced Load Power measurement is achieved thru the calculation of discrete single phase measurements that are taken one at a time manually Since it is not real time on all 3 phases simultaneously it is intended only for stable power conditions without significant power fluctuations over the time of measurements Result accuracy is hence the accumulated accuracy of the discrete single phase measurements plus the associated fluctuations LIMITED WARRANTY BRYMEN warrants to the original product purchaser that each product it manufactures will be free from defects in material and workmanship under normal use and service within a period of one year from the date of purchase BRYMEN s warranty does not apply to accessories fuses fusible resistors spark gaps batteries or any product which in BRYMEN s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling To obtain warranty service contact your nearest BRYMEN authorized agent or send the product with proof of purchase and description of the difficulty postage and insurance prepaid to BRYMEN TECHNOLOGY CORPORATION
5. 000A rms continuous for model 157 AC 600A rms continuous for model 357 amp COM terminals all functions 600VDC VAC rms Power Supply standard 1 5V AAA Size NEDA 24A or IEC LRO03 battery X 2 Power Consumption Voltage ACA Hz amp Power functions 11mA typical Ohm function 5 5mA typical APO Timing Idle for 30 minutes APO Consumption 4uA typical Dimension L224 X W78 X H40 mm for model 157 L189 X W78 X H40 mm for model 357 Weight 224 gm approx for model 157 192 gm approx for model 357 Jaw opening amp Conductor diameter 45mm max for model 157 26mm max for model 357 Special features Backlighted display AutoVA Auto Selection on ACV DCV or ACA functions selectable Power parameters of W VAR amp VA with Total Power Factor in dual display Total harmonic distortion THD F in dual display model 157 only KWHr Recording Display Hold PEAK rms HOLD PC Comm computer interface capabilities Accessories Test leads pair batteries installed user s manual amp soft carrying pouch Optional accessories PC interface kit BRUA 13X including BA 1XX Optical Adapter Back BC 100R Cable BUA 2303 USB to Serial adaptor amp Bs software driver CD 18 Electrical Specifications Accuracy is reading digits number of digits or otherwise specified at 23 C 5 C amp less than 75 R H True RMS ACV amp ACA clamp on accuracies are specified from 0 to 100 of range or otherwise specified Maximum Crest Factor are
6. ATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations Note Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation Note Examples include electricity meters and primary over current protection equipment TERMS IN THIS MANUAL WARNING identifies conditions and actions that could result in serious injury or even death to the user CAUTION identifies conditions and actions that could cause damage or malfunction in the instrument 2 WARNING To reduce the risk of fire or electric shock do not expose this product to rain or moisture The meter is intended only for indoor use To avoid electrical shock hazard observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms These voltage levels pose a potential shock hazard to the user Keep your hands fingers behind the hand finger barriers of the meter and the test leads that indicate the limits of safe access of the hand held part during measurement Inspect test leads connectors and probes for damaged insulation or exposed metal before using the instrument If any defects are found replace them immediately This Clamp on meter is designed to apply around or remove from uninsulated hazardous live conductors But still indivi
7. BRYMEN assumes no risk for damage in transit BRYMEN will at its option repair or replace the defective product free of charge However if BRYMEN determines that the failure was caused by misused altered neglected or damaged by accident or abnormal conditions of operation or handling you will be billed for the repair THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE BRYMEN WILL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES BRYMEN BRIGHT PEOPLE S CHOICE BRYMEN TECHNOLOGY CORPORATION TEL 886 2 2226 3396 FAX 886 2 2225 0025 http www brymen com e PRINTED ON RECYCLABLE PAPER PLEASE RECYCLE COPYRIGHT MMIX Btc ALL RIGHTS RESERVED P N 7M1C 1051 0000 PRINTED IN TAIWAN
8. Re fasten the screws 6 Specifications General Specifications Display Voltage functions 6000 counts LCD display Power Ohm amp Hz functions 9999 counts LCD display ACA clamp on function 4000 counts LCD display Update Rate Power function 2 per second nominal Voltage ACA clamp on amp Ohm functions 2 per second nominal Hz function 1 per second nominal Polarity Automatic Low Battery Below approx 2 4V Operating Temperature 0 C to 40 C Relative Humidity Maximum relative humidity 80 for temperature up to 31 C decreasing linearly to 50 relative humidity at 40 C Altitude Operating below 2000m Storage Temperature 20 C to 60 C lt 80 R H with battery removed 17 Temperature Coefficient nominal 0 15 x specified accuracy C 0 C 18 C or 28 C 40 C or otherwise specified Sensing True RMS sensing Safety Meets IEC61010 1 2nd Ed EN61010 1 2nd Ed UL61010 1 2nd Ed CAN CSA C22 2 No 61010 1 0 92 IEC61010 2 032 EN61010 2 032 amp UL61010B 2 032 Measurement Category III 600 Volts ac amp dc Transient protection 6 5kV 1 2 50us surge Pollution degree 2 E M C Meets EN61326 1 2006 EN55022 EN61000 3 2 EN61000 3 3 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 EN61000 4 11 In an RF field of 3V m Total Accuracy Specified Accuracy 50 digits Performance above 3V m is not specified Overload Protections ACA Clamp on jaws AC 1
9. as a theoretical value of 0 THD A badly distorted sinusoidal waveform may have a much higher THD value of even up to several hundreds It is thus a good parameter to identify the degree of cleanness on power systems When the meter is in ACV or ACA function THD F values will be displayed in the secondary mini display automatically Press THD F button momentarily toggles THD readings to main display Comm True RMS nn n UUDI Hz Peak rms mode Peak rms J compares and displays the maximum RMS value of surge voltage or current with durations as short as 65ms When ACV or ACA function is auto selected or manual selected press and hold Peak rms J button for one second or more toggles to this mode The annunciators P Max turn on APO Auto Power Off feature is disabled automatically accordingly In ACA function the Peak rms mode starts at the highest 1000A 600A for model 357 range to maximize measuring dynamic range Before making measurement press the Peak rms J button momentarily again can manually select thru lower measuring dynamic range 400 0A or 40 00A for higher measuring resolutions Line level Frequency Hz function When ACV or ACA function is auto selected or manual selected press Hz button momentarily toggles to Line level Frequency Hz function The Hz trigger level is determined by the selected func
10. as specified below and with frequency spectrums besides fundamentals fall within the meter specified AC bandwidth for non sinusoidal waveforms Fundamentals are specified at 50Hz and 60Hz AC Voltage ANGE Accuracy 0Hz 60Hz 00 0V 0 5 5d 00 0V 1 5 5d 00Hz 3 1kHz 00 0V 2 5 5d CMRR 60dB DC to 60Hz Rs 1kQ Input Impedance 2MQ 30pF nominal Crest Factor model 157 lt 2 3 1 at full scale amp lt 4 6 1 at half scale model 357 lt 2 1 at full scale amp lt 4 1 at half scale ACV AutoVA Threshold 30VAC 40Hz 500Hz only nominal DC Voltage ANGE 00 0V 0 5 5d NMRR gt 50dB 50 60Hz CMRR gt 120dB DC 50 60Hz Rs 1kQ Input Impedance 2MQ 30pF nominal DCV AutoVA Threshold 2 4VDC nominal ACA Current Clamp on ANGE 40 00A 400 0A 1 0 5d 1000A 600A for model 357 45Hz 500Hz o 0 00A 400 0A 2 0 5d 000A 600A for model 357 2 5 5d 00Hz 3 1kHz 0 00A 400 0A 1000A 600A for model 357 ACA AutoVA Threshold 1A AC 40Hz 500Hz only nominal Crest Factor model 157 lt 2 5 1 at full scale amp lt 5 0 1 at half scale for 40 00A amp 400 0A ranges lt 1 4 1 at full scale amp lt 2 8 1 at half scale for 1000A range model 357 lt 3 1 at full scale amp lt 6 1 at half scale for 40 00A 400 0A amp 600A ranges Induced error from adjacent current carrying conductor lt 0 06A A 2 Specified accuracy is from 1 to 100 of range an
11. ase Power amp 3 Phase Balanced Load Power functions Set the slide switch function selector to the 3 Bal 1 Power position eDefault at last selected function ePress 3 Bal 1 button momentarily to toggle between Single Phase and 3 Phase Balanced Load Power functions Annunciators v and 3 turn on respectively F157 05 TTS b Ir flashing CC Fe bb gaa ou n ePress SELECT button momentarily selects between W real power VAR reactive power VA apparent power amp kWHr real time readings or stored result functions In W real power VAR reactive power or VA apparent power function 9 1 PF Total Power Factor is displayed automatically in the secondary mini display 2 Annunciator A lags V turns on to indicate an inductive circuit is being measured That is the Current waveform is lagging the Voltage waveform and the phase shift angle O is 3 On the contrary together with significant PF values WITHOUT A lags V being turned on indicates that a capacitive circuit is being measured That is the Current waveform is leading the Voltage waveform and the phase shift angle O is Note 1 Unde
12. ce kit for further details 5 MAINTENANCE WARNING To avoid electrical shock disconnect the meter from any circuit remove the test leads from the input jacks and turn OFF the meter before opening the case Do not operate with open case Trouble Shooting If the instrument fails to operate check batteries and test leads etc and replace as necessary Double check operating procedure as described in this user s manual If the instrument voltage resistance input terminal has subjected to high voltage transient caused by lightning or switching surge to the system by accident or abnormal conditions of operation the series fusible resistors will be blown off become high impedance like fuses to protect the user and the instrument Most measuring functions through this terminal will then be open circuit The series fusible resistors and the spark gaps should then be replaced by qualified technician Refer to the LIMITED WARRANTY section for obtaining warranty or repairing service Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for periods of longer than 60 days remove the batteries and store them separately 16 Battery replacement The meter uses standard 1 5V AAA Size NEDA 24A or IEC LRO03 battery X 2 Loosen the 2 captive screws from the battery cover case Lift the battery cover case Replace the batteries Replace battery cover case
13. ctions EXCEPT non invasive ACA current amp thus Power function a 4 6 Common Ground reference Input THD 7 Slide switch Selector to turn the power ON OFF and Select a function 8 LCD display J 9 Jaw trigger for opening the transformer clamp jaws 10 Jaw center Indicators at where best ACA amp thus Power accuracy is specified O p 4 OPERATION CAUTION Before and after hazardous voltage measurements test the voltage function on a known source such as line voltage to determine proper meter functioning AutoVA function VE Set the slide switch function selector to the Auto position e With no input the meter displays luto when it is ready eWith no ACA current input via the jaws but a voltage signal above the nominal threshold of DC 2 4V or AC 30V 40Hz 500Hz up to the rated 600V is present on V COM terminals the meter displays the voltage value in appropriate DC or AC whichever larger in peak magnitude Annunciators Auto dc and Auto v turn on respectively eOn the contrary with no voltage signal present on V COM terminals but a ACA current signal above the nominal threshold of AC 1A 40Hz 500Hz up to the rated 1000A is input via the jaws the meter displays the ACA current value Annunciators w and Auto turn on accordingly eThe Auto VA feature stays at the auto selected
14. d for measurements made at the jaw center When the conductor is not positioned at the jaw center position errors introduced are Add 1 to specified accuracy for measurements made WITHIN jaw marking lines away from jaw opening Add 4 to specified accuracy for measurements made BEYOND jaw marking lines toward jaws opening PEAK rms HOLD ACA amp ACV only Response 65ms to gt 90 20 THD F model 157 only RANGE 7 6d 0 0 50 0 50 0 100 22nd 51st and 3rd 100 450 4th 21st 22nd 51st THD F is defined as Total Harmonic RMS Fundamental RMS x 100 Accuracy specified fundamental 1 70V amp Total RMS 1 600V for ACV THD F fundamental 6A amp Total RMS 1000A for ACA THD F and Crest Factors lt 2 5 for 600V Range lt 2 5 for 40A Range lt 3 0 for 400A Range lt 1 6 for 1000A Range 2 Add 4d to specified accuracy 40A Range 3Add 4 5 to specified accuracy 1000A range Unspecified 1000A range o1 Add 1 4d to specified accuracy 40A Range Add 4 5 to specified accuracy 400A 750A unspecified gt 750A 150 for 600V Range Oo Frequency Sensitivity Sine RMS 40A range gt 4A 400A range gt 40A 1000A 600A for model 357 range gt 400A 600V range gt 30V 21 Ohms RANGE 999 90 1 0 6d Open Circuit Voltage 0 4VDC typical Audible Continuity Tester Audible threshold bet
15. dual protective equipment must be used if hazardous live parts in the installation where measurement is to be carried out could be accessible CAUTION Disconnect the test leads from the test points before changing meter functions INTERNATIONAL ELECTRICAL SYMBOLS Caution Refer to the explanation in this Manual Caution Risk of electric shock Earth Ground Double Insulation or Reinforced insulation Fuse AC Alternating Current DC Direct Current Application around and removal from hazardous live conductors is permitted forse 2 CENELEC Directives The instruments conform to CENELEC Low voltage directive 2006 95 EC and Electromagnetic compatibility directive 2004 108 EC 3 3 PRODUCT DESCRIPTION Note Top of the line model is used as representative for illustration purposes Please refer to your respective model for function availability 1 Transformer Clamp Jaws for AC Eier D current magnetic field pick up Q 2 Jaw marking lines for ACA amp thus NS Power position error indication 3 Hand Finger Barrier to indicate the limits of safe access to the jaws during current measurements 4 Push buttons for special functions amp Ss S features at lt X9 5 Input Jack for all functions EXCEPT non invasive ACA current amp thus Power function MAX 1000A 600V CAT i PEAK rms HOLD I A Quer 3 Bal 1 3W 4W PC Comm True RMS Jack for all fun
16. le between them eWhen the display readings exceed 9999kWHr 999hours exponential readings are displayed 2 3E4 kWHr represents 2 3 x 104 KWHr or 23000 kWHr for example eAfter the kWHr Recording session is stopped Staf properly the new result will supersede the previous one stored in the non volatile memory You can then switch off the meter for transportation storage or even battery changing with memory remained eTo avoid mis storage to memory it is important to properly stop Stof kWHr Recording session before sliding the slide switch function selector to any other function positions 3 Phase 3 Wire 3 3W Unbalanced Load Power Function eSet the slide switch function selector to the 3 Un Bal Power position Press 3W 4W button momentarily to select 3 Wire measurements Annunciator 3W turns on eClamp the jaws around Line 1 as reminded by annunciators L1 and connect Black test probe COM terminal to Line 3 and Red test probe terminal to Line 1 as reminded by annunciators J i on mini display eWhen the reading is stable press button momentarily to enter the first measuring value eThen clamp the jaws around Line 2 as reminded by annunciators G L2 and connect Black test probe COM terminal to Line 3 and Red test probe terminal to Line 2 as reminded by annunciators 9 3 2 on mini display 12 eWhen the reading is stable press 1 button momen
17. r proper measurement setups for load circuits the W real power readings are always positive Negative W readings indicate reversed clamp on jaws direction or test leads polarities or even incorrect voltage lines are being measured as in 3 phase measurement setups Correct them for proper A lags V indications 2 When encountering largely distorted waveforms A lags V detection might be affected due to the influence of harmonics It is recommended to manage e g filter out harmonics problems before measuring dealing with phase shift problems 10 kWHr kilo Watt Hour Recording function vetin 9 ea dl flashing CT JN stop QQ y V flashing C C o uo TO Set the slide switch function selector to the 3 Bal 1 Power position Setup power measurements as mentioned in the previous Single Phase Power amp 3 Phase Balanced Load Power functions section eTo start Str kWHr Recording
18. tarily to enter the second measuring value The meter will then calculate store and display the total 3 Phase Power result automatically Annunciators L1 L2 L3 turn on ePress J button momentarily again for new measurements ePress SELECT button momentarily to view sl LL the last stored result Annunciator D turns on amp flashes Press SELECT button momentarily again to continue Lonk A 3 Phase 4 Wire 3 U4W Unbalanced Load Power function eSet the slide switch function selector to the 3 Un Bal Power position Press 3W 4W button momentarily to select 4 Wire measurements Annunciator 4W turns on eClamp the jaws around Line 1 as reminded by annunciators L1 and connect Black test probe COM terminal to Line n neutral and Red test probe terminal to Line 1 as reminded by annunciators n i on mini display eWhen the reading is stable press button momentarily to enter the first measuring value eThen clamp the jaws around Line 2 as reminded by annunciators L2 and connect Black test probe COM terminal to Line n neutral and Red test probe terminal to Line 2 as reminded by annunciators a on mini display 13 eWhen the reading is stable press 1 button momentaril
19. the current A to the voltage V An inductive circuit is said to have a lagging power factor since current A lags voltage V phase shift angle and thus SinO are both and a capacitive circuit is said to have a leading power factor since current A leads voltage V phase shift angle and thus SinO are both eTotal Power Factor encountering harmonics When encountering distorted waveforms with the presence of harmonics however the simplified power expression should not be used since substituting the above mentioned pure sinusoidal V and A functions cannot fulfill the actual conditions Cosine of phase shift angle Cos or the displacement power factor is no longer the only component constituting the overall power factor Harmonics do increase apparent power and thus decrease the overall power factor That is the Total Power Factor is actually affected by both phase shift angle and harmonics and is given by the expression Total Power Factor PF Real Power W Apparent Power VA In order to improve overall system power factor nowadays power system engineer needs to address both phase shift and harmonics problems Practically harmonics should be dealt with e g filtering out before phase shift to be corrected e g installing capacitors in parallel with inductive loads Single Ph
20. tion range from where the Hz function is activated In ACA function activating the Hz function during significant measurements can get the most appropriate trigger level to avoid electrical noises in most cases Activating the Hz function at AC 40 00A range before making significant measurements can get the lowest trigger level highest sensitivity T HOLDG mode When any function is auto selected or manual selected press HOLD button momentarily toggles to Hold mode The annunciator turns on Hold mode freezes the display for later viewing Notes on Displacement Power Factor amp Total Power Factor eintroduction Power is the rate of change of energy with respect to time in terms of voltage V and current A Instantaneous real power w vi where v is the instantaneous voltage and 7 the instantaneous current The average real power is the mean of vi and is given by W oJ 2rr vi dt over the interval from 0 to 2t1 w eDisplacement Power Factor more traditional Assuming V and A are pure sinusoidal waveforms without harmonics as in most traditional cases that is v V sin wt and 7 J sin wt 0 the expression can be simplified to W 1 2 x Vx I x Cos0 where V and Z are the peak values O is the displacement power factor angle and CosO is the displacement power factor Using RMS values it is written as W Vms X Arms X CosO Practically in such cases without harmonics is also called the phase shift angle of
21. unction selector to OFF position and back on again Always turn the function selector to OFF when the meter is not in use Auto Power Off Quick Test Press and hold the 3W 4W button while powering the meter on The LCD displays 5L amp FGE to confirm activation right after the 3W 4W button is released Quick test APO timing is 10 seconds after such activation Disabling Auto Power Off APO Press and hold the HOLD button while powering the meter on The LCD displays d po amp BF to confirm activation right after the HOLD button is released 15 Line Frequency setup Press and hold the Hz button while powering the meter on LCD displays the last 50Hz or 60 Hz setup Press SELECT button momentarily to select 50Hz or 60Hz to cope with your local line frequency Press Hz button for one second to store your selection and resume measurements Incorrect line frequency setup will introduce errors to THD PC computer interface capabilities The instrument equips with an optical isolated data output port at the bottom case near the battery compartment Optional purchase PC interface kit BRUA 13X including BA 1XX Optical Adapter Back BC 100R Cable BUA 2303 USB to Serial adaptor amp Bs software driver CD is required to connect the meter to PC computer USB port The Data Recording System software equips with a digital meter an analog meter a comparator meter and a Data Graphical recorder Refer to the README file comes with the interfa
22. ween 10Q and 30022 Response time 250us Single Phase amp 3 Phase Balanced Load Power RANGE Accuracy 2 3 0 600 0kVA F 10h 46 amp th 5ist PF 0 99 0 1 2 0 6d 3 5 6d 5 5 6d RANGE Accuracy 2 4 0 600 0kW KVAR F 10th tith 25th 26th 45th 46th Sist 2 4 5 6d 10 6d 1Specified accuracy is for ACA clamp measurement at the center of jaws When the conductor is not positioned at the jaw center position errors introduced are Add 196 to specified accuracy for ACA measurements made WITHIN jaw marking lines away from jaw opening Accuracy is not specified for ACA measurement made BEYOND jaw marking lines toward jaws opening 2 Add 4d to specified accuracy for 3 Phase Balanced Load Power measurements J Add 1 to specified accuracy ACA fundamental lt 6A or ACV fundamental lt 90V Accuracy is not specified ACA fundamental lt 1A or ACV fundamental 30V Add 1 to specified accuracy ACA fundamental lt 6A or ACV fundamental lt 90V Accuracy is not specified ACA fundamental lt 2A or ACV fundamental 50V 5 0 360 0 for model 357 22 Total Power Factor PF RANGE F 21st 2d 5ist 0 10 0 99 3d 5d Specified accuracy ACA fundamental gt 2A ACV fundamental gt 50V A lags V Indication LCD annunciator A lags V turns on to indicate an inductive circuit or Current A lags Voltage V i e phase shift angleO is A lags V Indication is
23. y to enter the second measuring value eThen clamp the jaws around Line 3 as reminded by annunciators G L3 and connect Black test probe COM terminal to Line n neutral and Red test probe terminal to Line 3 as reminded by annunciators 9 n J on mini display eWhen the reading is stable press button momentarily to enter the third measuring value The meter will then calculate store and display the total 3 Phase Power result automatically Annunciators L1 L2 L3 turn on e Press LI button momentarily again for new measurements ePress SELECT button momentarily to view LALL the last stored result Annunciator Hl turns on amp flashes Press SELECT button momentarily again to continue Lont 14 QI functions Set the slide switch function selector to the Q function position Default at last selected function Press SELECT button to toggle between Q and measurement functions Backlighted display Press the SELECT button for 1 second or more to toggle the display backlight on or off Auto Power Off APO The meter turns off after approximately 30 minutes of neither switch nor button activity To wake up the meter from APO press SELECT button or slide the f
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