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13

True RMS Models ACD-16TRMS & ACD-40PQ ACV & ACA clamp-on accuracies are 

specified from 5% to 100% of range or otherwise specified. Maximum Crest Factor are 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 
RANGE Accuracy 
50Hz / 60Hz 

600.0V  

1.0% + 5d 

45Hz ~ 500Hz 

600.0V  

1.5% + 5d 

500Hz ~ 3.1kHz (model 132 & 135 only) 

600.0V  

2.5% + 5d 

CMRR  : >60dB @ DC to 60Hz, Rs=1k

Ω

 

Input Impedance: 2M

Ω

, 30pF nominal 

True RMS models Crest Factor: 

< 2.3 : 1 at full scale & < 4.6 : 1 at half scale 

 

DC Voltage 
RANGE 

Accuracy 

600.0V 0.5% 

+ 

5d 

NMRR : >50dB @ 50/60Hz 
CMRR  : >120dB @ DC, 50/60Hz, Rs=1k

Ω

 

Input Impedance: 2M

Ω

, 30pF nominal 

 

THD%-R

 1)

 (model 135 only) 

RANGE Harmonic 

order 

Accuracy

 2)

Fundamental 

1.5% of R 6d   

2nd ~ 3rd 

5.0% of R 6d 

4th ~ 10th 

2.5% of R 6d 

 
0.0% ~99.9% 

11th ~ 51st 

2.0% of R 6d 

1)

THD-R is defined as: (Total Harmonic RMS / Total RMS) x 100% 

2)

Specified accuracy @ ACA fundamental > 5A ; ACV fundamental > 50V 

 

Ohms 
RANGE Accuracy 

 

999.9

Ω

 

1.0% + 6d 

Open Circuit Voltage : 0.4VDC typical 

www.

.com

[email protected]

1.800.561.8187

Содержание ACD-16 Pro

Страница 1: ...USER S MANUAL ACD 16 Pro ACD 16 TRMS Pro ACD 40PQ www com information itm com 1 800 561 8187 ...

Страница 2: ...lied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY 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 CATEGOR...

Страница 3: ... circuit of bare uninsulated hazardous live conductors or busbars switch them off before insertion and removal of the current clamp jaws Contact with the conductor could result in electric shock Keep your hands fingers behind the hand finger barriers that indicate the limits of safe access of the meter and the test leads during measurement CAUTION Disconnect the test leads from the test points bef...

Страница 4: ...e limits of safe access to the jaws during current measurements 4 Push buttons for special functions features 5 Input Jack for all functions EXCEPT non invasive ACA current function 6 Common Ground reference Input Jack for all functions EXCEPT non invasive ACA current function 7 Slide switch Selector to turn the power ON OFF and Select a function 8 LCD display 9 Jaw trigger for opening the transfo...

Страница 5: ... Frequency function Frequency trigger levels vary automatically with function ranges THD R Total Harmonic Distortion RMS function ACD 40PQ only THD R Total Harmonics RMS Total RMS x 100 Total Harmonic Distortion RMS THD R is the percentage ratio of the Total Harmonics RMS value to the Total Overall RMS value of a voltage or current signal and is given by the above expression An ideal sinusoidal wa...

Страница 6: ... non invasive ACA current measurements CAUTION For 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 c...

Страница 7: ...ss SELECT button to toggle between Ω and measurement functions Hi Lo Logging mode Hi Lo Logging is an innovative feature It minimizes product cost for maximum monitoring speed and period making field monitoring simpler and more affordable Hi Lo Logging captures the most important surges Hi sages Lo using one minute intervals That is the meter uses its highest update rate to compare and capture the...

Страница 8: ...tton momentarily toggles to display logged data item number number of one minute time intervals displays in the secondary display Press the HOLD button momentarily to pause The LCD annunciator flashes Press the HOLD button momentarily again to continue Press and hold the Hi Lo Log button for one second or more again to stop and end the Hi Lo Logging session The meter can now be switched off www co...

Страница 9: ...mum item number and then absolute minimum reading of the whole logging period Press the forward or backward arrow button momentarily to read the next logged data item The meter displays in turn the one minute item interval number the count of one minute time intervals Hi reading the highest reading and then Lo reading the lowest reading of that one minute item interval Press and hold the www com i...

Страница 10: ...session hais ended you can switch off the meter for transportation storage or even battery changing The logged data can also be downloaded to PC computers through the optional purchase RS232 KIT2 interface kit Also see RS232C C computer interface capabilities section P Auto feature The Auto Automatic Hold feature automatically captures and displays significant stable readings Press and hold the Au...

Страница 11: ... Software CD is required to connect the meter to PC computer thru RS232C protocol The RS232C Data Recording System software Bs13x includes a digital meter an analog meter a comparator meter and a Data Graphical recorder Refer to the README file comes ith the interface kit for further details w 5 MAINTENANCE WARNING To avoid electrical shock disconnect the meter from any circuit remove the test lea...

Страница 12: ...screws from the battery cover case Lift the battery cover case Replace the batteries Replace battery cover case Re fasten the screws 6 Specifications General Specifications Display Voltage functions 6000 counts LCD display Ohm Hz functions 9999 counts LCD display ACA clamp on function 4000 counts LCD display Update Rate Voltage ACA clamp on Ohm Temperature functions 4 per second nominal Hz functio...

Страница 13: ...us COM terminals all functions 600VDC VAC rms Power Supply standard 1 5V AAA Size NEDA 24A or IEC LR03 battery X 2 Power Consumption Voltage ACA functions 3 5mA typical Ohm Temperature functions 4mA typical APO Timing Idle for 16 minutes APO Consumption 10µA typical Dimension L224mm X W78mm X H40mm Weight 224 gm approx Jaw opening Conductor diameter 45mm max Special features THD R Total harmonic d...

Страница 14: ...5 5d CMRR 60dB DC to 60Hz Rs 1kΩ Input Impedance 2MΩ 30pF nominal True RMS models Crest Factor 2 3 1 at full scale 4 6 1 at half scale DC Voltage RANGE Accuracy 600 0V 0 5 5d NMRR 50dB 50 60Hz CMRR 120dB DC 50 60Hz Rs 1kΩ Input Impedance 2MΩ 30pF nominal THD R1 model 135 only RANGE Harmonic order Accuracy2 Fundamental 1 5 of Reading 6d 2nd 3rd 5 0 of Reading 6d 4th 10th 2 5 of Reading 6d 0 0 99 9 ...

Страница 15: ... ACD 16TRMS Pro ACD 40PQ only 40 00A 400 0A 2 0 5d 1000A 2 5 5d True RMS models Crest Factor 2 5 1 at full scale 5 0 1 at half scale for 40 00A 400 0A ranges 1 4 1 at full scale 2 8 1 at half scale for 1000A range 1 Add 8d to specified accuracy while reading is below 10 of range 2 Induced error from adjacent current carrying conductor 0 06A A 3 Specified accuracy is for measurements made at the ja...

Страница 16: ...en tampered with or taken apart Should your instrument fail due to defective materials and or workmanship during this one year period a no charge repair or replacement will be made to the original purchaser Please have your dated bill of sale which must identify the instrument model number and serial number and call the number listed below Please obtain an RMA number before returning product for r...

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