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How are the various quantities measured? 

6,000- and 60,000-count digital multimeters 

31 

 

How are the various quantities measured? (continued) 

3. Frequency 
measurement 

1. Press:

2.  Connect the black lead to the “COM” terminal and the red lead to “

V

”. 

3.  Place the test probes on the terminals of the circuit to be measured. 

*

  

Connect the instrument as for a resistance measurement. 

4. Read the measurement value indicated on the display unit. The second 

display unit indicates the period of the signal, 1/F. 

5. Press 

several times to obtain (

MTX 3291

 only): 

  positive duty cycle (DC+) 

  negative duty cycle (DC-) 

  positive pulse duration

 

(Pw+) 

  negative pulse duration

 

(Pw-) 

*

 

It is possible to activate the             filter in A

AC+DC

, A

AC

. The cutoff 

frequency of the filter is 

300Hz.

 

 

 

4. Resistance 
measurement 

1. Press the 

 button of the switch. 

2.  Connect the black lead to the “COM” terminal and the red lead to “

V

”. 

3.  Place the test probes on the terminals of the component. 

*

 

Resistance measurements must be made with power off. However, 

 

while the presence of a voltage will prevent or throw off the 

 

measurement, it will not damage the instrument. 

 

4. Read the measurement value indicated on the display unit. 

5.  “O.L” is displayed, if the circuit is open. 

 

All manuals and user guides at all-guides.com

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Summary of Contents for ASYC-IV

Page 1: ...291 60000 cts Operating instructions P le Test et Mesure CHAUVIN ARNOUX Parc des Glaisins 6 avenue du Pr de Challes F 74940 ANNECY LE VIEUX Tel 33 0 4 5064 2222 Fax 33 0 4 5064 2200 X04065A02 Ed 01 06...

Page 2: ...n 19 1 MAX MIN AVG mode 19 2 PEAK mode 22 3 REL mode 23 4 CLAMP function 25 Functions of the switch and keys 26 How are the various quantities measured 28 1 Voltage measurement 28 2 Current measuremen...

Page 3: ...instrument is been designed to be used as follows indoors in an environment of pollution degree 2 at an altitude of less than 2000m at a temperature between 10 C and 55 C at a relative humidity below...

Page 4: ...e number of input terminals is limited to 3 V COM A Connecting the lead to the Ampere terminal automatically selects the corresponding function When a change of function by the command keypad is incom...

Page 5: ...longing to a lower measurement or voltage category derates the resulting system instrument leads accessories to the lowest measurement category and or service voltage of any of the components Symbols...

Page 6: ...ircuits and make sure that you are not charged with static electricity which might destroy internal components An adjustment maintenance or repair of the live instrument must be undertaken only by per...

Page 7: ...Checking the current fuse Fuse SIBA 5019906 MTX 3291 11A 10x38 1 000V F breaking capacity 20kA MTX 3290 10A 6x32 600V F breaking capacity 50kA Rechargeable and primary batteries The multimeter is pow...

Page 8: ...the instruments 8 6 000 and 60 000 count digital multimeters Description of the instruments MTX 3290 Frontal panel Back Prop Terminal block Optical connector not active All manuals and user guides at...

Page 9: ...instruments 6 000 and 60 000 count digital multimeters 9 Description of the instruments continued MTX 3291 Frontal panel Back Prop Terminal block Optical connector active All manuals and user guides...

Page 10: ...C voltage measurement at low impedance VLowZ VAC AC voltage measurement VAC DC DC or AC DC voltage measurement at high impedance V A Current measurement A Hz Frequency measurement Resistance measureme...

Page 11: ...e measurement capacities USER USER mode on main display unit BASIC BASIC mode on main display unit Z Hertz symbol main display unit Z Hertz symbol secondary display unit Ohm main display unit Ohm seco...

Page 12: ...t Ampere measurement input 600V CAT III Input indication 1000V CAT III Input indication Isolated optical link USB input Display of unit on the main display unit 2x14 segments Display of unit on the se...

Page 13: ...nfiguration of the measurement mode MTX 3290 Keys of the switch Short press Successive short presses Current measurement Temperature measurement Selection of the type of probe Pt100 Pt1000 Capacitance...

Page 14: ...rement Low impedance AC voltage measurement VLowZ Current measurement using a current clamp Selection of the transformation ratios 1 10 100 1 000mV A Resistance measurement audible continuity measurem...

Page 15: ...mode when the HOLD is active the blinking of the MAX MIN AVG PEAK symbol indicates that acquisition continues as a background task Hold of the display after stabilization of the measurement Auto HOLD...

Page 16: ...ue and the reference value in the unit of the quantity measured AVG displays the mean value of the signal since the key press Time stamped value for the min and the max temporary display 4s on the mai...

Page 17: ...t 2nd press display of model and version US Europe 3rd press software version display unit 1 and keyboard and display unit board versions display unit 2 4th press normal operation An audible beep ackn...

Page 18: ...ng the batteries wait 10s before powering the device back up If the multimeter malfunctions a long press 2s on this key can be applied to power down the instrument and then restore normal operation Po...

Page 19: ...isplay unit Measured signal 230V 50Hz Present value of the signal Frequency of the signal for the MAX value 1st press on Present value of the signal MAX value The measured signal changes to 250V 50Hz...

Page 20: ...becomes Present value of the signal MAX value for the MIN value 2nd press Ex 3s Momentary screen 4s indicating the time stamped max value if the value changes or if the value is looked up h min sec M...

Page 21: ...ount digital multimeters 21 Functional description continued for the AVG value 3rd press on Present value of the signal AVG value De activation By a long press on the key All manuals and user guides a...

Page 22: ...change of quantity Displays in the VAC DC function Measured signal 250V 50Hz Present value of the signal MIN value for the Peak value First press on Present value of the signal Peak value for the Peak...

Page 23: ...function Measured signal 1V 100Hz Present value of the signal Frequency of the signal Activation of the REL mode by Short press on the key REL present value reference value Reference value The measure...

Page 24: ...nctional description continued Short press in the REL mode on Present value reference value Reference value Reference value A long press on the key erases the reference value De activation By a long p...

Page 25: ...eters 25 Functional description continued 4 Clamp function Ex 10mV A Present value of the signal Transformation ratio selected by successive presses on press 1 1mV A press 2 10mV A press 3 100mV A pre...

Page 26: ...R 1000 R 1 3 Continuity Diode Continuity 3 Frequency Frequency Frequency Frequency Frequency 3 MTX 3291 Press 1 Press 2 Press 3 Press 4 Press 5 Press 6 Short press V dBm W V dBm W 3 I I I I I I 3 Pt1...

Page 27: ...type of measurement Type of measurement MAX MIN AVG PEAK REL RANGE HOLD Auto Manu Voltage VLowZ Voltage VAC Voltage VAC DC Current AAC AAC DC 9 9 9 in REL only 9 9 9 9 Voltage VDC Current ADC 9 9 9 9...

Page 28: ...eeds 1000V MTX 3291 or 600V MTX 3290 1 Press or 2 Select AC DC AC or DC coupling of the signal by pressing the default coupling is AC DC Depending on what you select the screen displays DC AC or AC DC...

Page 29: ...beep and a visible signal LEADS are activated 4 Place the test probes in series between the source and the load 5 Read the measurement value indicated on the display unit O L is displayed if I 20A 6 A...

Page 30: ...A by pressing on clamp to have a direct reading of the current 5 Place the clamp around the conductor 7 Read the measurement value indicated on the display unit The measurement accuracy is indicated...

Page 31: ...only positive duty cycle DC negative duty cycle DC positive pulse duration Pw negative pulse duration Pw It is possible to activate the filter in AAC DC AAC The cutoff frequency of the filter is 300H...

Page 32: ...urement 5 Read the measurement value indicated on the display unit 6 The continuity beep sounds when R 30 5 7 O L is displayed if the circuit is open 6 Diode test 1 Press 2 Press two times the symbol...

Page 33: ...the display unit O L is displayed if the value to be measured exceeds the capacitance of the range O L is displayed if the capacitor is short circuited For high values the measurement cycle includes t...

Page 34: ...he main display unit is C 4 Connect the adapter of the Pt100 or Pt1000 temperature probe to the COM and V terminals making sure that the polarity is correct 5 Read the measurement value indicated on t...

Page 35: ...COM terminal and the red lead to V 5 Place the test probes between two phases of the circuit to be measured 6 Read the measurement values indicated on the display unit voltage and frequency In all ca...

Page 36: ...bes in series between the source and the load 6 Read the measurement value indicated on the display unit O L is displayed if I 20A The presence of the symbol indicates that the filter is active It is...

Page 37: ...C 4 Connect the black lead to the COM terminal and the red lead to V 5 Place the test probes on the terminals of the circuit to be measured to measure the resistance Press The display unit indicates t...

Page 38: ...erminal and the red lead to V 5 Place the test probes on the terminals of the circuit to be measured Connect the instrument as for a voltage measurement 6 Read the measurement value indicated on the d...

Page 39: ...r on the side of the multimeter Mechanical polarization prevents connection in reverse Connect the USB lead to one of the USB ports of the PC 2 Install the USB driver on your PC see the data sheet on...

Page 40: ...850Vpk Secondary measurements and displays MAX MIN AVG AC and AC DC voltages With this function the user can measure the true RMS TRMS value of an AC voltage with its DC component no capacitive coupl...

Page 41: ...easurement must exceed 15 of the range Secondary measurements and displays FREQ AC coupling MAX MIN AVG PEAK VLowZ AC Protection 850Vpk The pass band is reduced to 300Hz if the filter is activated The...

Page 42: ...00A 0 200 to 6 000A 0 001A 1 2 L 3D 0 05V A 10 A 20A 0 to 20 00A 0 20 to 20 00A 0 01A 1 2 L 2D 0 05V A The display indicates OL above 19 99A The symbol blinks and a beep sounds above 10A Acceptable ov...

Page 43: ...Fuse 10A 600V 50kA 60mA 0 to 60 00mA 6 00 to 60 00mA 0 01mA 1 5 L 0 08 x FkHz 1 L 3D 13D 2 6 to 50mA 3mV mA 600mA 0 to 600 0mA 60 0 to 600 0mA 0 1mA 2 6 to 500mA 0 58mV mA 6A 0 to 6 000A 0 600A to 6...

Page 44: ...z 0 01 to 60 00kHz 0 01kHz 600kHz 0 to 200 0kHz 0 1 to 200 00kHz 0 1kHz Below 10Hz or if the signal detection level is inadequate the reading is forced to zero The measured period in ms is available o...

Page 45: ...001M 1 5 L 3D 240nA 60M 0 to 60 00M 0 01M 3 L 3D 29nA REL measurements Capacitance Capacitance meter In this setting the user can measure the capacitance of a capacitor Range Operating range Specified...

Page 46: ...in the tables below DC current Range Ratio 600mA 6A 60A 600A 6000A 1mV A Resolution 0 01A 0 1A 1A Accuracy 0 6 L 2D 0 6 L 2D 0 3 L 2D 10mV A Resolution 0 001A 0 01A 0 1A Accuracy 0 6 L 2D 0 6 L 2D 0 3...

Page 47: ...y 2 8 L 15D 2 8 L 15D 2 8 L 13D 100mV A Resolution 0 1mA 0 001A 0 01A Accuracy 2 8 L 15D 2 8 L 15D 2 8 L 13D 1000mV A Resolution 0 1mA 0 001A Accuracy 2 8 L 15D 2 8 L 13D Peak factor 3 to 500mA 3 to 5...

Page 48: ...the accuracy corresponding to the function and the range Fmax 1kHz 1ms Protection 850Vpk 1ms mini SURV MIN MAX AVG Add 0 2 L 2D to obtain the accuracy corresponding to the function and the range Acqu...

Page 49: ...0 05 L 0 1D 1 C VAC VAC DC VLowZ 0 25 L 0 1D 1 C ADC 0 05 L 0 1D 1 C 0 1 L 0 1D 1 C AAC and AAC DC 0 08 L 0 1D 1 C 0 12 L 0 1D 1 C 0 01 L 0 1D 1 C 0 1 L 1 C 0 05 L 1 C 0 1 L 1 C 60 M 0 3 L 1 C F 0 2...

Page 50: ...is accessible only with the Range key Input impedance approx 10 6M 50 pF 2 The display indicates OL above 1050V and OL below 1050V Secondary measurements and displays MAX MIN AVG AC and AC DC voltages...

Page 51: ...the 300Hz 2 The LCD indicates OL above 1050V OL below 1050V or above 1050VRMS 3 From 1kHz the measurement must exceed 15 of the range Secondary measurements and displays FREQ AC coupling MAX MIN AVG...

Page 52: ...or the metrological characteristics specified in these ranges Range Operating range Specified measurement range Resolution Uncertainty Voltage drop Protection 600 A 0 to 600 00 A 0 02 to 600 00 A 0 01...

Page 53: ...ainty with the 300Hz filter AAC DCTRMS current Warning the sum AC DC must never exceed the range 600mA or 60mA or 6mA or 600 A or 6A or 10A as the case may be The AC component must represent at least...

Page 54: ...kHz 600kHz 0 to 200 0kHz 0 1 to 200 0kHz 0 1kHz Below 10Hz or if the signal detection level is inadequate the reading is forced to zero The measured period in ms is available on the second display uni...

Page 55: ...0 to 6 0000M 0 0001M 1 5 L 30D 240nA 60M 0 to 60 000M 0 001M 3 L 30D 29nA REL measurements Capacity Capacitance meter In this setting the user can measure the capacitance of a capacitor Range Operatin...

Page 56: ...f the current by selecting the correct transformation ratio which must be the same as that of the clamp If the signal detection level is insufficient the value is forced to The input impedance is appr...

Page 57: ...IN AVG and transformation ratio of the sensor 300Hz filter if the filter is active see 300Hz filter curve for the additional uncertainty AAC DC TRMS current Range Ratio 600mA 6A 60A 600A 6000A 1mV A R...

Page 58: ...tection 1414 Vpk Resistive power Display of the resistive power with respect to a reference resistance measured on the installation and saved in memory using the HOLD key 600 is the default The functi...

Page 59: ...splay of the measurement in dBm with respect to a resistance reference chosen by the user from among 50 75 90 and 600 default value 600 Resolution 0 1dBm Absolute error in dBm 0 09 x relative error VA...

Page 60: ...25 L 0 1D 1 C ADC 0 05 L 0 1D 1 C 0 1 L 0 1D 1 C AAC and AAC DC 0 08 L 0 1D 1 C 0 12 L 0 1D 1 C 0 01 L 0 1D 1 C 0 1 L 1 C 0 05 L 1 C 0 1 L 1 C 60 M 0 3 L 1 C F 0 2 L 0 1D 1 C mF 0 6 L 0 1D 1 C Hz 0 0...

Page 61: ...VDC MTX3290 200h MTX3291 300h Rechargeable batteries 4x1 2V A A Ni MH LSD 2400mAh Life in VDC MTX3290 140h MTX3291 210h Display The refresh rate of the display unit is 200ms the bargraph is 100ms Secu...

Page 62: ...1B External charger for 4 Ni MH rechargeable batteries HX0053 HV probe SHT 40kV CMS clamp HX0064 Multifix adapter for DMM P01102100Z spare MTX 3291 Fuse 11A 10x38 1000V Fast breaking capacity 20kA MTX...

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