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);Press    to select off

);Press     to select off

48

Table 5-1. Setup Selections

Selection

Option

Factory Default

Description

Max. 40,000 (model 72-7732A), 20,000
(model 72-7730A
Press    to select the digit you want to edit.
Max. 40,000 (model 72-7732A), 20,000
(model 72-7730A
Press    to select the digit you want to edit.

1

0

20

30

OFF

1

OFF

10

20

30

OFF

OFF

OFF

10 mins

1

10

Over the upper limits, beeps intermittently.

Over the upper limits, beeps intermittently.

10 mins power off

20 mins power off

30 mins power off

Power off feature is disabled

Beeps continuously and icon lights on

No beep, icon flashes

Backlight turn off in 10 seconds

Backlight turn off in 20 seconds

Backlight turn off in 30 seconds

Disable backlight feature.

HIGH

LOW

Model 72-7730A/72-7732A: OPERATING MANUAL

Содержание 72-7730A

Страница 1: ...72 7732A 72 7730A...

Страница 2: ...view Inspection Safety Information Rules For Safe Operation International Electrical Symbols Getting Acquainted Turning the Meter On Battery Considerations Automatic Power Off Automatic Backlight Off...

Страница 3: ...age B Measuring Current C Measuring Resistance D Testing for Continuity E Testing Diodes F Measuring Capacitance G Measuring Frequency Duty Cycle H Measuring Temperature I 4 20mA loop current as reado...

Страница 4: ...ng Setup Options Maintenance A General Service B Replacing the Fuses C Replacing the Battery Specifications Safety and Compliances Physical Specifications General Specifications Feature Summary Basic...

Страница 5: ...E 62 63 63 64 64 65 66 66 66 67 D AC Current E Resistance F Continuity Test G Diode Test H Capacitance I Frequency J Temperature Degrees Celsius Fahrenheit K 4 20mA loop current Model 72 7730A 72 7732...

Страница 6: ...r referred to as the Meter is a 20 000 count 4 1 2 digit Digital Multimeter 72 7732A hereafter referred to as the Meter is a 40 000 count 4 3 4 digit highly reliable auto ranging instrument It will me...

Страница 7: ...t your dealer immediately 1 2 3 4 5 6 7 8 9 English Operating Manual Test Lead K Type nickel chromium nickel silicon Point Contact Temperature Probe It is only suitable for measuring temperature under...

Страница 8: ...this Operating Manual are explained on page 9 Rules For Safe Operation Warning To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the equipment under...

Страница 9: ...t before connecting the Meter to the circuit Replace the battery as soon as the battery indicator appears With a low battery the Meter might produce false readings that can lead to electric shock and...

Страница 10: ...al are explained in Table1 2 Table 1 2 International Electrical Symbols AC or DC Measurement DC Measurement AC Measurement Ground Double Insulated Warning Refer to the Operating Manual Low Battery Con...

Страница 11: ...h the rotary switch all previously activated button features are discarded Automatic Backlight Off Press LIGHT button to turn the backlight on and press LIGHT again to turn it off Press EXIT to exit t...

Страница 12: ...d Warning To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery icon appears The Meter Structure The Figure 2 1 shows the Me...

Страница 13: ...n to another a display for the new function appears Button choices made in one function do not carry over into another function The Table 2 1 described each rotary switch position Table 2 1 Rotary Swi...

Страница 14: ...surement DC current measurement 400 A 4000 A Diode test Continuity test None Frequency signal duty cycle measurement Fahrenheit temperature measurement Toggle between AC or DC current l l A A DC curre...

Страница 15: ...ss and hold the button for over 1 second This additional feature appears right above or on the left hand side of the appropriate keys To access the second additional feature of the button e g press on...

Страница 16: ...n MANUAL select next input range EXIT to return to AUTO AUTO is default Testing resistance signal from calibrator When testing resistance signal from calibrator it is necessary to press this button to...

Страница 17: ...Store the current measurement value Press EXIT to exit the Store feature Recall feature Recall the stored value Press EXIT to exit the Recall feature Setup feature In Setup press to select OFF at the...

Страница 18: ...ggle between clearing all the stored reading or start storing reading from the current index number Press to exit certain button functions and the Meter will return to the factory default setting Pres...

Страница 19: ...return to current measurement mode In Setup each press to decrement an Option Press to display max min and average values Press EXIT to stop and return to current measurement mode Press to output the...

Страница 20: ...isplay shows the stored value The primary display shows the present measurement value minus the stored value Press EXIT to exit relative mode In Setup each press to increment an Option In Recall each...

Страница 21: ...e turning on the Meter to toggle to 4000 counts for all functions It is faster when the Meter is at 4000 counts measurement mode If you turn the meter off then on or if the meter resumes from Automati...

Страница 22: ...display Full range 4 40 400 1000 Full range 4 40 400 1000 Full range 400 Full range 400 4 40 400 4 40 Full range value 400 Full range 4 Full range 40 400 4 40 400 4 40 400 Full range 40 400 4 40 400...

Страница 23: ...urrent measurement reading The tested frequency value 45 00Hz 10 00kHz No display The tested frequency value 45 00Hz 10 00kHz No display The tested frequency value 45 00Hz 10 00kHz The value of the co...

Страница 24: ...dary Display RCL MAX MIN REL The recalled value The present measurement value minus the stored value The total number of stored value The stored value Index number no 0001 no 0100 The present measurem...

Страница 25: ...that the reading appears with the highest available resolution If AUTO is already on press RANGE to enter MANUAL ranging in the present range You can then select the next manual range each time you pr...

Страница 26: ...sequence of the reading Degrees Celsius default or Fahrenheit Indicates negative reading The battery is low Warning To avoid false readings which could lead to possible electric shock or personal inj...

Страница 27: ...The unit of resistance k Kilohm 1x103 or 1000 ohms M Megaohm 1x106 or 1 000 000 ohms Hz Hertz The unit of frequency in cycles second kHz Kilohertz 1x103 or 1000 hertz MHz Megahertz 1x106 or 1 000 000...

Страница 28: ...farads Automatic power off feature is on Continuity test Data store is on Data recall is on The relative mode is on to display the present value minus the stored value The indicator for the lowest set...

Страница 29: ...Backlight feature is on Data hold mode is active Peak hold mode is active Diode test Frequency signal duty cycle 4 20mA loop current as reading The input value is too large for the selected range Prov...

Страница 30: ...ight secondary display The primary display shows the current measurement reading Press MAX MIN the second time the current measurement reading is shown on the left secondary display The minimum readin...

Страница 31: ...y primary functions blue letters or symbols identify alternative functions Press the BLUE button to access these alternate functions A Measuring Voltages Warning To avoid personal injury or damage to...

Страница 32: ...iew the AC DC True RMS value in the primary display To exit please EXIT button The BLUE button cycles among frequency and duty cycle mV V mV V V V Note When measuring voltage the Meter acts around a 1...

Страница 33: ...en the leads are plugged into the current terminals Figure 3 2 Currents Measurement To measure AC or DC current set up the Meter as Figure 3 2 and proceed as follows Turn off power to the circuit Disc...

Страница 34: ...e Meter and restore the circuit to normal operation 4 5 6 7 When a ACA function is selected you can press the Yellow Button to view the AC DC True RMS value in the primary display To exit please EXIT...

Страница 35: ...ors before measuring resistance To measure resistance set up the Meter as shown in Figure 3 3 and follow the following procedure Insert the red test lead into the terminal and the black test lead into...

Страница 36: ...n measuring low resistance the test leads can add 0 1 to 0 2 of error to resistance measurement To test the leads touch the probe tips together and read the resistance of the leads If necessary you ca...

Страница 37: ...oltage of approximately 1 2VDC The resistance measurement range is 400ohm When continuity measurement has been completed disconnect the connection between the test leads and the circuit under test and...

Страница 38: ...odes transistors and other semiconductor devices The diode test sends a current through the semicondutor junction then measures the voltage drop across the junction A good silicon junction drops betwe...

Страница 39: ...0 8V however the reverse voltage drop reading can vary depending on the resistance of other pathways between the probe tips Connect the test leads to the proper terminals as said above to avoid error...

Страница 40: ...ocess may be somewhat slow To avoid damage to the Meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before measuring capacitance Use the DC Voltag...

Страница 41: ...ract the residual capacitance of the Meter and leads It is recommended that the short test clip leads be used for capacitance measurement Note The LCD displays OL indicating the tested capacitor is sh...

Страница 42: ...nsert the red test lead into the Hz terminal and the black test lead into the COM terminal Set the rotary switch to or 72 7730A 72 7732A and press BLUE button to select the Hz measurement mode for fre...

Страница 43: ...40MHz 200 mV a 30Vrms 40MHz Un specified When frequency measurement has been completed disconnect the connection between the test leads and the circuit under test and remove test leads from the input...

Страница 44: ...emperature The Meter is default to Celsius C degree unit you can change units by press the BLUE button once you have selected the temperature function Insert the point contact temperature probe into t...

Страница 45: ...be obtained especially in testing low temperature The included point contact temperature probe can only be used with temperature 230 C below The included point contact temperature probe is suitable f...

Страница 46: ...TORE the third time STO and no appears The left secondary display shows the index number increase one The right secondary display shows the value of the corresponding index number the primary display...

Страница 47: ...computer via USB The software shows the data storing time and also the data value After the data transferring is completed the SEND feature will be disabled automatically Press or button to view addi...

Страница 48: ...electing Setup Options To enter the Setup mode turn the Meter on and press and hold SETUP button for over 1 second It is recommended to change the default setting only when the Meter is at DCV measure...

Страница 49: ...git you want to edit 10 20 30 OFF 1 OFF 10 20 30 OFF OFF OFF 10 mins 1 10 Over the upper limits beeps intermittently Over the upper limits beeps intermittently 10 mins power off 20 mins power off 30 m...

Страница 50: ...er Zero is in the center It can only apply to DCV DCI and C F functions Analog Bar Graph Saving Setup Options At each setup Option store your choice and exit setup by press EXIT advance to the next Op...

Страница 51: ...ith detergent as dirt or moisture in the terminals can affect readings Turn the Meter to OFF when it is not in use Remove the battery when the meter will not be used for a long period of time Do not u...

Страница 52: ...racket Install ONLY replacement fuses with the identical type and specification as follows and make sure the fuse is fixed firmly in the bracket Fuse 1 0 5A 1000V fast type fuse 10 3X38mm Fuse 2 10A 1...

Страница 53: ...tom Turn the rotary switch to OFF and remove all connections from the terminals Remove the screw from the battery compartment and separate the battery compartment from the case bottom Replace with a n...

Страница 54: ...ces Fused Protection for AmA input terminal Fused Protection for A input terminal Refer to different range input protection voltage IEC 61010 CAT III1000V CAT IV 600V overvoltage and double insulation...

Страница 55: ...d Two secondary displays 4000 counts model 72 7732A 2000 counts model 72 7730A Analog 40 segments updates 10 times second 0 C 40 C 32 F 104 F 10 C 50 C 14 F 122 F 75 0 C 30 C below 50 30 C 40 C 9V NED...

Страница 56: ...55 General Specifications Range Polarity Overload Low Battery Auto Auto Display OL Except at 4 20mA loop range displays HI or LO Display Model 72 7730A 72 7732A OPERATING MANUAL...

Страница 57: ...0A Left Secondary 4000 counts Model 72 7732A 2000 counts Model 72 7730A Right Secondary 4000 counts Model 72 7732A 2000 counts Model 72 7730A Bar Graph 40 segments updates 10 times second Bright backl...

Страница 58: ...7730A 72 7732A 0 05 AC Voltage 72 7730A 72 7732A 0 6 0 to 10A 5 10A for 10 seconds interval 15 minutes 0 to 10A 5 10A for 10 seconds interval 15 minutes 0 to 40M 0 to 40mF 0 400MHz 40 C 1000 C 40 F 1...

Страница 59: ...5 0 08 5 0 1 8 72 7730A 72 7732A 0 025 5 0 05 5 0 1 8 72 7730A 72 7732A 400mV 4V 40V 400V 1000V Detailed Accuracy Specifications Accuracy of reading number of least significant digits guarantee for 1...

Страница 60: ...is available 0 0001V 0 001V 0 01V 0 1V 45Hz 1kHz 1kHz 10kHz 10kHz 100kHz 45Hz 1kHz 1kHz 10kHz 10kHz 100kHz 45Hz 1kHz 1kHz 10kHz 10kHz 100kHz 45Hz 1kHz 1kHz 5kHz 5kHz 10kHz 0 6 40 3 40 7 40 0 6 40 3 4...

Страница 61: ...except 1000V where it is 1 5 c A residual reading of 80 digits with test leads shorted will not affect stated accuracy d When frequency is lower than 100kHz the accuracy guarantee range 10 100 e When...

Страница 62: ...l more than 15 minutes At 10A range C DC Current Range Resolution Accuracy Overload Protection 200 A 2000 A 20mA 200mA 10A 0 5A 1000V fast type fuse 10 3X38mm 10A 1000V fast type fuse 6 3X32mm 0 15 20...

Страница 63: ...e measured current is 5A continuous measurement is allowed b When the measured current is between 5A 10A continuous measurement 10 seconds and interval more than 15 minutes Range Resolution 200 A 2000...

Страница 64: ...en the test resistance is 60 The beeper comes on continuously for open conditions that is test resistance is 40 400 4k 40k 400k 4M 40M 72 7730A 72 7732A E Resistance 0 01 0 0001k 0 001k 0 01k 0 0001M...

Страница 65: ...0nF 2 F 20 F 200 F 2mF 20mF 1 0 0 0 V 1 2 20 capacitance value of open circuit test leads 1 2 20 1 2 40 1 5 40 5 40 Not specified 72 7730A 72 7732A 72 7730A 72 7732A 1 20 capacitance value of open cir...

Страница 66: ...ange Resolution Accuracy Overload Protection 20Hz 200Hz 2kHz 20kHz 200kHz 2MHz 20MHz 200MHz 1 0 0 0 V 0 1 15 Not Specified 0 01 8 Not Specified 72 7730A 72 7732A 72 7730A 72 7732A 40Hz 400Hz 4kHz 40kH...

Страница 67: ...Included is a K Type nickel chromium nickel silicon point contact temperature probe which could only measure temperature below 230 If you want to measure temperature higher than 230 you must use the...

Страница 68: ...20mA 0 5A 1000V fast type fuse 6 3X32mm 1 50 0 01 Remarks z z z 4mA the primary display shows LO 4mA the primary display shows 0 20mA the primary display shows 100 20mA the primary display shows HI E...

Страница 69: ...68 Copyright 2006 Tenma Test Equipment All rights reserved Tenma Test Equipment 405 S Pioneer Blvd Springboro Ohio 45066 www tenma com Model 72 7730A 72 7732A OPERATING MANUAL...

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