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37XR Digital Multimeter

Contents

Safety Information .......................................................................................... 2

Symbols Used in this Manual ....................................................................... 2

Introduction.................................................................................................... 3
Making Measurements.................................................................................... 3

Verify Instrument Operation ......................................................................... 3
Range Selection........................................................................................... 3
Correcting an Overload (

o

or 

-o

) Indication ............................................... 3

Measuring DC Voltage ....................................See Figure 

-1-

....................... 4

Measuring AC Voltage (True rms) .........See Figure 

-2 - & -3-

....................... 4

Preparing for Current Measurements............................................................ 4
Measuring DC Current ....................................See Figure 

-4-

....................... 4

Measuring AC Current (True rms) ..........See Figure 

-3- & -5-

....................... 4

Measuring Resistance ....................................See Figure 

-6-

....................... 5

Testing for Continuity .....................................See Figure 

-7-

....................... 5

Testing Diodes................................................See Figure 

-8-

....................... 5

Measuring Capacitance  ..................................See Figure 

-9-

....................... 5

Measuring Inductance...................................See Figure 

-10-

....................... 6

Measuring Frequency ...................................See Figure 

-11-

....................... 6

Measuring Dutycycle ....................................See Figure 

-12-

....................... 6

Measuring dBm  ...........................................See Figure 

-13-

....................... 6

Testing Logic Levels  ....................................See Figure 

-14-

....................... 6

Additional Features ......................................................................................... 7

Input Test Lead Warning .............................................................................. 7
True-rms Measurements.............................................................................. 7
MIN MAX AVG Measurements...................................................................... 7
Peak Hold Measurements............................................................................. 7
Beeper Off ................................................................................................... 8
Auto Power Off ............................................................................................ 8
REL (Relative) Measurements ...................................................................... 8
HOLD Measurements................................................................................... 8
Backlight ..................................................................................................... 8

Product Maintenance ...................................................................................... 9

Battery and Fuse Replacement ......................See Figure 

-15-

....................... 9

Repair ............................................................................................................ 9

WARRANTY............................................................................................... 10

Specifications ............................................................................................... 11

Use

rs Ma

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Содержание 37XR

Страница 1: ...400 Britannia Rd E Unit 1 Mississauga ON L4Z 1X9 Tel 905 890 7600 Fax 905 89 6866 European Correspondence Address Meterman Test Tools Europe P O Box 1186 5602 BD Eindhoven The Netherlands Corresponden...

Страница 2: ...D V Hz dBm COM 10A mA H 400mA MAX FUSED CAT 1000V CAT 600V TRUE RMS MAX 1000V 750V 10A V V Hz mH H MIN MAX AVG RANGE HOLD TTL CMOS PEAK REL cal 2sec 37XR OFF A mA 10A LOGIC dBm AC DC RELREC CMOS P P T...

Страница 3: ...nce See Figure 6 5 Testing for Continuity See Figure 7 5 Testing Diodes See Figure 8 5 Measuring Capacitance See Figure 9 5 Measuring Inductance See Figure 10 6 Measuring Frequency See Figure 11 6 Mea...

Страница 4: ...it elements or test probe tips Do not operate the instrument in an explosive atmosphere Exercise extreme caution when measuring voltage 20V current 10mA AC power line with inductive loads AC power lin...

Страница 5: ...ach subsequent press of the range button steps the meter to the next higher range When the highest range is reached the next press returns the meter to the lowest range To return to autoranging press...

Страница 6: ...current input before you select a current function Open circuit voltage at the measurement point must not exceed 1000 V Always measure current in series with the load Never measure current across a v...

Страница 7: ...Leads Red to E Black to COM 4 Turn off power to the circuit being measured 5 Discharge any capacitors that may influence the reading 6 Connect the Test Probes across the resistance 7 Listen for the t...

Страница 8: ...to COM 4 Connect the Test Probes to the signal source 5 Read the display Measuring dBm See Figure 13 The 37XR measures dBm relative to 1 mW referenced to 50 That is 10 dBm 10 mW 0 dBm 1 mW 10 dBm 0 1...

Страница 9: ...AVG button Pressing the MIN MAX AVG button for less than 1 second will put the meter into a mode of displaying the maximum minimum average or actual readings Each time the button is pressed the meter...

Страница 10: ...Power Off feature will remain disabled until the meter is turned off and then on Note To disable both Auto Power Off and the beeper press and hold the REL button while turning on the DMM REL Relative...

Страница 11: ...32 mm Meterman FP500 To replace the 10 A fuse 1 Remove the battery 2 Remove the four rear case screws 3 Separate the case 4 Remove the 10 A fuse cover 5 Remove and replace the 10A fuse 6 Re install t...

Страница 12: ...fects of material or workmanship within a period of three 3 years following the date of purchase of the multimeter by the original purchaser or original user Any multimeter claimed to be defective dur...

Страница 13: ...p Holster 1 Clip magnet and strap 1 9V battery installed 1 spare mA fuse 0 5A 1000V 1 Approvals Safety Conforms to EN61010 1 Cat II 1000V Cat III 600V Class 2 Pollution degree II UL3111 1 CSA C22 2 No...

Страница 14: ...ctor 3 AC coupled true rms specified from 5 to 100 of range Input protection 0 5A 1000V fast blow ceramic fuse 6 3 32 mm on A mA input 10A 1000V fast blow ceramic fuse 10 38 mm on 10A input 10A input...

Страница 15: ...M Overload protection 1000 V dc or 750 V ac rms CONTINUITY Audible indication Less than 40 Response time 100 ms Overload protection 1000 V dc or 750 V ac rms DIODE TEST Test current 1 0 mA approximat...

Страница 16: ...14 5 4 1 4 3 1 1 2 3 2 6 V V 2 5...

Страница 17: ...ntera Onda completa Onda sinusoidal Half Wave Sine Wave Demi onde sinuso dale Halbschwingung Sinusschwingung Onda sinusoidale semionda Media onda onda sinusoidal Square Wave Onde carr e Rechteckschwin...

Страница 18: ...16 5 4 7 5 6 5 8 6 7 A 1 3 4 1 4 2 2 8 A 3 9...

Страница 19: ...17 5 7 6 6 4 5 7 4 1 6 7 3 1 2 2 3 8...

Страница 20: ...18 2 8 1 3 5 4 1 5 6 7 3 9 4 8 2 6...

Страница 21: ...19 11 1 5 6 4 3 1 10 5 4 2 6 3 2 7...

Страница 22: ...20 3 5 4 3 12 13 4 5 1 2 2 1...

Страница 23: ...21 3 4 5 1 2 14 2 4 2 15 6...

Страница 24: ......

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