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Model PM53A Pocket Digital Multimeter
 

This meter is the essential shirt pocketsize meter. Only 3/8" thick and less than 3 oz in weight, this meter offers full functionality with ac and dc voltage to 450 V, resistance to 6 Megohm, capacitance to100 μF, frequency to 30 kHz and continuity w/beeper. It also offers VolTect,™ a built-in, non-contact voltage detector for ac voltages.

Another key feature is AutoTect,™which automatically selects ac voltage, dc voltage or resistance measurement based on the test point to which the leads are connected. Fully autoranging, this meter offers seven different measurement functions plus features that are usually found in much more expensive and larger meters. The digital display is oversized with large digits and unit icons in the display. In spite of its size, this meter is fully safety rated to CAT III300 V, CAT II 450 V and is UL listed. Includes a silicone protective holster, attached test leads, battery and manual.
 

Amprobe Model PM53A Digital Multimeter Pocket size Digital Multimeter with AutoTect

Features

  • AutoTect™ knows if it is measuring ac volts, dc volts or resistance.
  • The AutoTect™ feature has lower input impedance which zeros out ghost voltages.
  • Measures capacitance, frequency, continuity with beeper.
  • VolTect,™ a built-in, non-contact voltage detector.
  • Large oversize digital display.
  • Protective silicon holster included, attached test leads, battery and manual.
  • Overload protection 450 V dc and V ac rms.
  • Sensing Average sensing.
  • Display and update rate 3-5/6 digits 6000 counts; Updates 5 per second nominal.
  • Automatic Power Off (APO) timing Idle for 3 minutes.
  • Low battery Below approx. 2.4 V.
  • Power supply 3 V standard button battery x 1.
  • One-year warranty.

Safety Conformity

 Specifications

RF Field

RF field @ 3V/m (Specified accuracy +45 digits Capacitance not

 

specified)

 

 

DC Voltage Ranges

6.000V, 60.00V, 450.0V

DC Voltage Accuracy

±(0.5% of Rdg + 3 digits)  for 6V range

 

±(1.0% of Rdg + 5 digits)  for 60V ranges

 

±(1.2% of Rdg + 5 digits)  for 450V range

NMRR

>30dB @ 50/60Hz

CMRR

>100dB @ DC, 50/60Hz; Rs=1kΩ

Input Impedance

AutoTect™ Lo-ZV DC: 160kΩ, 160pF nominal

V DC AutoTec™ Threshold

>+1.2V DC or <-0.6V DC nominal

   

AC Voltage Ranges

6.000V, 60.00V, 450.0V

AC Voltage Accuracy (50/60Hz)

±(1.5% of Rdg + 5 digits)  for 6V, 60V, 450.0V ranges

CMRR

>60dB @ DC to 60Hz, Rs=1kΩ

Input Impedance

AutoTect™ Lo-ZV DC: 160kΩ, 160pF nominal

V AC AutoTec™ Threshold

>+1.5V (50/60Hz) nominal

   

Capacitance Ranges

100nF, 1000nF, 10.0μF, 100.0μF

Capacitance Accuracy

±(3.5% of Rdg + 6 digits4) for 100.0μF1,3


Note 1. Additional 50nF range accuracy not specified.
Note 2. Accuracies with film capacitor or better.
Note 3. Updates >1 minute on large values.
Note 4. Specified with battery voltage above 2.8V (half full battery). Accuracy decreases gradually to 12% at low battery warning voltage of approx. 2.4V.

   

Resistance Ranges

6.000kΩ1, 60.00kΩ, 600.0kΩ, 6.000MΩ

Accuracy

±(1.2% of Rdg + 6 digits2) for 6.000kΩ range

 

±(1.0% of Rdg + 4 digits) for 60.00kΩ, 600.0kΩ ranges

 

±(2.0% of Rdg + 4 digits) for 6.000MΩ range

Open Circuit Voltage

0.4V DC typical


Note 1. AutoTectTM is for 6.000kΩ to 6.000MΩ ranges.
Note 2. Add 40 digits to specified accuracy while reading is below 20% range.

   

Frequency Ranges

100Hz, 1kHz, 10kHz

Frequency Accuracy

±(0.5% of Rdg + 4 digits) <20V Sine-RMS

Sensitivity (Sine-rms)

Hz in Auto-VΩ position: >3V

 

 

VoltTectTM

 

 

 

Typical Voltage

Bar Graph Indication

15V to 55V

-

30V to 85V

--

55V to 145V

---

85V to 190V

----

above 120V

-----

Indication

Bargraph segments and audible beep tones proportional to field

 

strength

Detection Frequency

50/60Hz

Detection Antenna

Top left corner of the meter

   

Continuity Tester Open Circuit Voltage

0.4V DC typical

Audible Threshold

175Ω ±125Ω

   
 General Specifications
 

Display and Update Rate

3-5/6 digits 6000-counts; Updates 5 per second nominal

Sensing

Average sensing

Operating Temperature

0°C to 40°C

Storage Temperature

-20°C to 60°C, <80% R.H. (with battery removed)

Overload Protection

450V DC and 450V AC rms

Low Battery

Below 2.4V

Power Supply

One 3V button battery (IEC-CR2032; ANSI-NEDA-5004LC)

Power Consumption

2µA typical

Dimensions
 

113mm (L) x 53mm (W) x 10.2mm (D)
4.4" (L) x 2.1" (W) x 0.4" (D)

Weight

78g (3oz)

   

Included Accessories

Protective Silicon holster included, attached Test leads and  Battery (installed),  user manual

 

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Obiat Pty. Ltd.
A.C.N. 003 166 952      A.B.N. 23 003 166 952
Unit 9A/8 Avenue of the Americas, Newington NSW 2127 Australia
P.O. Box 6901 Silverwater  NSW Australia 1811

Phone: 61-2-9748- 8699

Fax: 61-2-9748-8544

E-mail:
 

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Copyright ©                                             Last Update: Saturday, 04 June 2011