![METRIX MTX3291 [31/63] How are the various quantities measured continued](/img/pdf.png)
METRIX MTX3291 [31/63] How are the various quantities measured continued
![METRIX MTX3290 [31/63] How are the various quantities measured continued](/views2/1664927/page31/bg1f.png)
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 AAC+DC, AAC. 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.
Содержание
- Operating instructions 1
- 6 000 and 60 000 count digital multimeters 2
- Contents 2
- Description of the instruments 2
- Functional description 19 2
- General characteristics 61 2
- General directions 2
- General directions 3 2
- Getting started 18 2
- How are the various quantities measured 28 2
- Mechanical characteristics 61 2
- Supply 62 2
- Sx dmm software 39 2
- Technical characteristics of mtx 3290 40 2
- Technical characteristics of mtx 3291 50 2
- General directions 3
- Automatic 4
- Automatic detection 4
- Features 4
- General directions continued 4
- Inputs 4
- Protecting the measurement 4
- Signals 4
- Switching off 4
- Warning 4
- General directions continued 5
- General directions continued 6
- General directions continued 7
- Description of the instruments 8
- Description of the instruments continued 9
- Description of the instruments continued 10
- Display unit 10
- 000 and 60 000 count digital multimeters 11 11
- Description of the instruments 11
- Description of the instruments continued 11
- 6 000 and 60 000 count digital multimeters 12
- Are measured the symbol flashes on the display unit 12
- Description of the instruments 12
- Description of the instruments continued 12
- When voltages exceeding 60 12
- Capacitance measurement 13
- Current measurement 13
- Description of the instruments continued 13
- Frequency measurement 13
- Keys of the switch 13
- Low impedance ac voltage measurement vlowz 13
- Mtx 3290 13
- Orange leds around the highly reliable virtual switch indicate the measurement function chosen the keys of the switch have priority over the action of the keys of the keypad the change from one function to another resets the configuration of the measurement mode 13
- Resistance measurement audible continuity measurement diode test 13
- Switch 13
- Temperature measurement 13
- Capacitance measurement 14
- Current measurement 14
- Description of the instruments continued 14
- Frequency measurement 14
- Keys of the switch 14
- Low impedance ac voltage measurement vlowz 14
- Mtx 3291 14
- Resistance measurement audible continuity measurement diode test 14
- Temperature measurement 14
- Description of the instruments continued 15
- Function keys 15
- Keypad 15
- Mtx 3290 mtx 3291 15
- Seconds validated by a beep as soon as the key press is detected 15
- Short press press lasting 2 seconds validated by a beep as soon as the key press is detected 15
- The keypad has the following function keys the keys are taken into account and applied when pressed if the key press is validated the instrument beeps two types of action are possible 15
- Description of the instruments continued 16
- And other functions 17
- Description of the instruments continued 17
- In ampere 17
- In volt 17
- Getting started 18
- Preparation for use 18
- Displays in the 19
- For the max value 19
- Function 19
- Functional description 19
- Main display 19
- Max min avg mode a beep indicates an overshoot or a change of quantity 19
- Secondary display 19
- For the min value 20
- Functional description continued 20
- For the avg value 21
- Functional description continued 21
- De activation 22
- Displays in the 22
- For the peak value 22
- Function 22
- Functional description continued 22
- Peak mode a beep indicates an overshoot or a change of quantity 22
- Activation of the 23
- Displays in the 23
- Function 23
- Functional description continued 23
- Rel mode 23
- Rel mode by 23
- De activation 24
- Functional description continued 24
- Clamp function 25
- Ex 10mv a 25
- Functional description continued 25
- 6 000 and 60 000 count digital multimeters 26
- Functional description 26
- Functional description continued 26
- Mtx 3290 26
- Mtx 3291 26
- Serial operation of the keys of the switch 26
- Functional description continued 27
- How are the various quantities measured 28
- As an ammeter 29
- How are the various quantities measured continued 29
- How are the various quantities measured continued 30
- With a current 30
- How are the various quantities measured continued 31
- How are the various quantities measured continued 32
- How are the various quantities measured continued 33
- How are the various quantities measured continued 34
- How are the various quantities measured continued 35
- Current 36
- How are the various quantities measured continued 36
- Measurement 36
- How are the various quantities measured continued 37
- Connect the black lead to the com terminal and the red lead to v 38
- Connect the instrument as for a voltage measurement 38
- Dbm decibels in power mtx3291 only 1 press 38
- How are the various quantities measured continued 38
- Place the test probes on the terminals of the circuit to be measured 38
- Read the measurement value indicated on the display unit 38
- Reminder 38
- The main display unit indicates the value in dbm 38
- The secondary display unit indicates the resistance measured on the installation 50 by default 38
- To select the reference resistance 50 75 90 or 600 ohm 38
- Sx dmm software 39
- 6 000 and 60 000 count digital multimeters 40
- Ac and ac dc voltages 40
- Accuracy 40
- Dc voltage in the dc mode you measure a direct voltage or the dc component of an ac voltage filter activated 40
- N digit 40
- N l n d means n of the reading 40
- Only values with tolerances or limits are guaranteed values values without tolerances are given for guidance standard nfc42670 the technical specifications are guaranteed only after 30 minutes of warming up except as otherwise indicated they are valid from 10 to 100 of the measurement range 40
- Peak peak 40
- Protection 850vpk 40
- See cei 485 40
- See the typical curve of the 300hz filter 40
- Technical characteristics of the mtx 3290 40
- The display indicates ol above 620v and ol above 620v protection 850vpk secondary measurements and displays max min avg 40
- The lcd indicates ol above 620v ol below 620v or above 620vrms 3 from 1khz the measurement must exceed 15 of the range secondary measurements and displays freq ac coupling max min avg 40
- With this function the user can measure the true rms trms value of an ac voltage with its dc component no capacitive coupling or without its dc component 40
- Protection 850vpk 41
- See the typical curve of the 300hz filter 41
- Technical characteristics of the mtx 3290 continued 41
- The lcd indicates ol above 620v ol below 620v or above 620vrms 3 from 1khz the measurement must exceed 15 of the range secondary measurements and displays freq ac coupling max min avg peak 41
- The pass band is reduced to 300hz if the filter is activated the frequency measurement is made like the measurement in a 300hz pass band 41
- 6 000 and 60 000 count digital multimeters 42
- Currents three possible modes dc ac ac dc in dc mode you can measure a direct current or the dc component of an alternating current in the ac and ac dc modes you can measure the true rms trms value of an alternating current with without its direct component no capacitive coupling in dc mode 42
- Dc current 42
- Ma range measuring a strong current for a long time can cause a temperature rise in some components in this case it is necessary to wait some time for the metrological characteristics specified in 6ma to be restored 42
- Particular reference conditions 42
- Sounds above 10a acceptable overload 10a to 15a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max secondary measurements and displays max min avg 42
- Sounds above 10a secondary measurements and displays freq ac coupling max min avg peak acceptable overload 10a to 15a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max additional uncertainty with the 300hz filter 42
- Technical characteristics of the mtx 3290 42
- Technical characteristics of the mtx 3290 continued 42
- The display indicates ol above 19 9a the symbol blinks and a beep 42
- 000 and 60 000 count digital multimeters 43 43
- Sounds above 10a acceptable overload 10a to 15a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max secondary measurements and displays f ac coupling max min avg peak additional uncertainty with the 300hz filter 43
- Technical characteristics of the mtx 3290 43
- Technical characteristics of the mtx 3290 continued 43
- The display indicates ol above 19 9a the symbol blinks and a beep 43
- Warning the sum ac dc must never exceed the range 600ma or 60ma or 6ma or 6a or 10a as the case may be 43
- Technical characteristics of the mtx 3290 continued 44
- 000 and 60 000 count digital multimeters 45 45
- Capacitance 45
- In this setting the user can measure the capacitance of a capacitor 45
- Ohmmeter in this setting the user can measure a resistance 45
- Particular reference conditions 45
- Protection 850vpk 45
- Rel measurements 45
- Resistance 45
- Technical characteristics of the mtx 3290 45
- Technical characteristics of the mtx 3290 continued 45
- The com input must not have been overloaded following the accidental application of a voltage to the input terminals with the switch set to ω or t if this happens the return to normal may take about ten minutes 45
- The use of wires that are very short and shielded is strongly recommended protection 850vpk 45
- 6 000 and 60 000 count digital multimeters 46
- Add the error of the clamp to the intrinsic error of the multimeter specified in the tables below 46
- Audible continuity 46
- Audible signal triggered if 40mv 10mv protection 850vpk 46
- Clamp you can measure a current using various current clamps and obtain a direct reading of 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 approximately 10mω 46
- Dc current 46
- Diode test 46
- Response time 100ms triggering threshold 30ω 5ω protection 850vpk 46
- Secondary measurements and displays max min avg and transformation ratio of the sensor 46
- Secondary measurements and displays max min avg and transformation ratio of the sensor 300hz filter if the filter is active see 300hz filter curve for the additional uncertainty see frequency response curve p 47 46
- Technical characteristics of the mtx 3290 46
- Technical characteristics of the mtx 3290 continued 46
- 000 and 60 000 count digital multimeters 47 47
- Frequency 47
- Hz filter if the filter is active see 300hz filter curve for the additional uncertainty 47
- Response 47
- Secondary measurements and displays max min avg and transformation ratio of the sensor 47
- See frequency response curve below 47
- Technical characteristics of the mtx 3290 47
- Technical characteristics of the mtx 3290 continued 47
- Min max avg 48
- Pt100 pt1000 48
- Technical characteristics of the mtx 3290 continued 48
- 000 and 60 000 count digital multimeters 49 49
- Response of the filter 49
- Technical characteristics of the mtx 3290 49
- Technical characteristics of the mtx 3290 continued 49
- Variation in the nominal range of use 49
- 6 000 and 60 000 count digital multimeters 50
- Ac and ac dc voltages 50
- Accuracy 50
- Cause a temperature rise of some components 50
- Cause a temperature rise of some components protection 1414 vpk 50
- Dc voltage 50
- In the dc mode you measure a direct voltage or the dc component of an ac voltage filter activated 50
- Mv range measuring a strong current or measuring a current for a long time may 50
- N digit 50
- N l nd means n of the reading 50
- Only values with tolerances or limits are guaranteed values values without tolerances are given for guidance standard nfc42670 50
- Protection 1414 vpk 50
- See cei 485 50
- Technical characteristics of the mtx 3291 50
- The technical specifications are guaranteed only after 30 minutes of warming up except as otherwise indicated they are valid from 10 to 100 of the measurement range 50
- This range is accessible only with the range key input impedance approx 10 mω 50 pf 2 the display indicates ol above 1050v and ol below 1050v secondary measurements and displays max min avg 50
- With this function the user can measure the true rms trms value of an ac voltage with its dc component no capacitive coupling or without its dc component 50
- Continued 51
- Technical characteristics of the mtx 3291 continued 51
- Vlowz ac rms 51
- 6 000 and 60 000 count digital multimeters 52
- Currents three possible modes dc ac ac dc in dc mode you can measure a direct current or the dc component of an alternating current in the ac and ac dc modes you can measure the true rms trms value of an alternating current with without its direct component no capacitive coupling in dc mode 52
- Dc current 52
- Particular reference conditions 52
- Secondary measurements and displays max min avg 52
- Sounds above 10a acceptable overload 10a to 20a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max 52
- Symbol blinks and a beep 52
- Technical characteristics of the mtx 3291 52
- Technical characteristics of the mtx 3291 continued 52
- The display indicates ol above 19 9a the 52
- Μa and 6ma ranges measuring a strong current for a long time may cause a temperature rise of some components in this case it is necessary to wait some time for the metrological characteristics specified in these ranges 52
- 000 and 60 000 count digital multimeters 53 53
- Above 10a acceptable overload 10a to 20a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max secondary measurements and displays freq ac coupling max min avg peak additional uncertainty with the 300hz filter 53
- Sounds above 10a secondary measurements and displays freq ac coupling max min avg peak acceptable overload 10a to 20a for 30s max with a pause of 5min between 2 measurements ambient temp 35 c max additional uncertainty with the 300hz filter 53
- Symbol blinks and a beep 53
- Symbol blinks and a beep sounds 53
- Technical characteristics of the mtx 3291 53
- Technical characteristics of the mtx 3291 continued 53
- The display indicates ol above 19 9a the 53
- Warning the sum ac dc must never exceed the range 600ma or 60ma or 6ma or 600µa or 6a or 10a as the case may be the ac component must represent at least 5 of the amplitude of the ac dc total for it to be possible to measure it 53
- Technical characteristics of the mtx 3291 continued 54
- 000 and 60 000 count digital multimeters 55 55
- Capacitance meter in this setting the user can measure the capacitance of a capacitor 55
- Capacity 55
- Ohmmeter in this setting the user can measure a resistance 55
- Particular reference conditions 55
- Protection 1414 vpk 55
- Rel measurements 55
- Resistance 55
- Technical characteristics of the mtx 3291 55
- Technical characteristics of the mtx 3291 continued 55
- The com input must not have been overloaded following the accidental application of a voltage to the input terminals with the switch set to ω or t if this happens the return to normal may take about ten minutes 55
- The use of wires that are very short and shielded is strongly recommended protection 1414 vpk 55
- Audible continuity 56
- Audible signal triggered if 40mv 10mv protection 1414 vpk 56
- Clamp you can measure a current using various current clamps and obtain a direct reading of 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 approximately 10mω 56
- Dc current 56
- Diode test 56
- Response time 100ms triggering threshold 30ω 5ω protection 1414 vpk 56
- Secondary measurements and displays max min avg and transformation ratio of the sensor 56
- Technical characteristics of the mtx 3291 continued 56
- 000 and 60 000 count digital multimeters 57 57
- Ac rms current 57
- Current 57
- From 1khz the measurement must exceed 15 of the range 57
- Hz filter if the filter is active see 300hz filter curve for the additional uncertainty 57
- Secondary measurements and displays max min avg and transformation ratio of the sensor 57
- Technical characteristics of the mtx 3291 57
- Technical characteristics of the mtx 3291 continued 57
- Technical characteristics of the mtx 3291 continued 58
- Technical characteristics of the mtx 3291 continued 59
- 6 000 and 60 000 count digital multimeters 60
- Filtre 300hz 60
- Response of the 300hz filter 60
- Technical characteristics of the mtx 3291 60
- Technical characteristics of the mtx 3291 continued 60
- Variation in the nominal range of use 60
- General characteristics 61
- Mechanical characteristics 61
- Security 61
- 1 carrying case mtx 3291 only 62
- 1 set of 4 aa r6 batteries 62
- 1 set of safety leads red and black with double insulation probe tip 4mm 62
- 1 statement of manufacturer s measurements optical usb communication lead mtx 3291 only 62
- Carrying case with multifix hx0052b 62
- Cms clamp hx0064 62
- Current clamps see table below 62
- Directions for operation in 5 languages on mini cd sx dmm software on mini cd mtx 3291 only getting started guide 62
- External charger for 4 ni mh rechargeable batteries hx0053 62
- Hv probe sht 40kv 62
- Ka get in touch with our manumesure regional technical centre 62
- Kit of test accessories for dmm p01295459z 62
- Metrology software for windows p01196770 62
- Multifix adapter for dmm p01102100z 62
- Optional 62
- Set of 4 rechargeable batteries external charger hx0051b 62
- Supplied with the instrument 62
- Supply 62
- Two wire pt100 temperature probe hx0091 62
- Two wire pt1000 temperature probe ha1263 62
- V cat iii 20a 62
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