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PM55A Pocket Multimeter

 

The ultimate shirt-pocket size diameter. Only 3/8" thick and less than3 oz in weight with full functionality offering ac and dc voltage to 600 V, ac and dc current to 2000 μA, resistance to 6 Megohm, capacitance to 2000 μF, frequency to 30 kHz, diode test 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 between ac voltage, dc voltage or resistance measurement based on the test point to which the leads are connected. Fully autoranging, this meter offers nine 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 600 V and is UL listed. No other meter this small offers such performance and high safety ratings. Includes a silicone protective holster, deluxe carrying case, attached test leads, battery and manual.
 

PM55A Pocket Multimeter

Automatic Precision Multimeter

Features

  • AutoTect™ feature directs the meter to know if it is measuring ac or dc volts or resistance with no user interface.
  • The AutoTect™ feature has lower input impedance which zeros out ghost voltages.
  • Measures ac/dc current, capacitance, frequency, continuity with beeper.
  • Voltect™ feature is a built-in, non-contact voltage detector.
  • Power supply 3 V standard button battery x 1 (IEC-CR2032; ANSI-NEDA-5004LC).
  • Automatic Power Off.
  • 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, 600.0V

DC Voltage Accuracy

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

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

±(2.0% 600V range (AutoTec Lo-Z)

±(1.5% of Rdg + 5 digits)  for 600V range (Hi-Z)

NMRR

>30dB @ 50/60Hz

CMRR

>100dB @ DC, 50/60Hz; Rs=1kΩ

Input Impedance

AutoTect™ Lo-ZV DC: 833kΩ, (412KΩ when displaying AUTO), 90pF nominal

V DC AutoTec™ Threshold

>+1.2V DC or <-0.6V DC nominal (Hi-Z Vdc only)

 

 

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

100.0nF, 1000nF, 10.0μF, 100.0μF, 2000µF

Capacitance Accuracy

±(3.5% of Rdg + 6 digits4) for 1000μF1,3


Note 1. Accuracy below 50nF is not specified.
Note 2. Accuracies with film capacitor or better accuracy decreases gradually to 12% at low battery warning.
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

600Ω, 6.000kΩ1, 60.00kΩ, 600.0kΩ, 6.000MΩ

Accuracy 

±(2.0% of Rdg + 6 digits2) for 600.0Ω range

±(1.2% of Rdg + 6 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

10Hz to 30.00kHz

Frequency Accuracy

±(0.5% of Rdg + 4 digits) <20V Sine-RMS (10Hz to 30.00kHz1,2)

 

±(0.5% of Rdg + 4 digits) <600V Sine-RMS (10Hz to 999.9Hz)

 

Note 1. Sensitivity (Sine-rms): Hz in Auto-V (position:>3V)
Note 2. Line-level Hz in V position: @ 6.000V AC range: >3V; @ 60.00V AC range:> 6V; @ 600.0V AC range: >60V

 

 

DC µA Current Range

400.0µA, 2000µA

DC µA Current Accuracy

±(1.5% of Rdg + 3 digits) in 400.0µA range, (Burden Voltage 6mV/µA

 

±(1.2% of Rdg + 3 digits) in 2000.0µA range, (Burden Voltage 6mV/µA

 

 

AC µA Current Range

400.0µA, 2000µA

AC µA Current Accuracy

±(2.0% of Rdg + 3 digits) in 400.0µA range, (Burden Voltage 6mV/µA

 

±(1.5% of Rdg + 3 digits) in 2000.0µA range, (Burden Voltage 6mV/µA

 

 

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

50Ω to 300Ω

Diode Test Current

0.48mA

Open Circuit Voltage

<1.6V DC

 

 

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

600V DC and 600V AC rms

Low Battery

Below 2.4V

Power Supply

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

Power Consumption
 

6mA for voltage functions on Auto-V, Ω, position and 2mA for other functions

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 holster included, Zippered carrying case, attached Test leads and  Battery (installed),  user manual
 


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Rapid-Tech Equipment
ABN 79 883 184 102
1300 Ferntree Gully Road. Scoresby. Victoria 3179
P.O. Box 4243 Knox City Centre. Victoria 3152

Phone: +61 3 9763 3299     Fax: +61 3 9753 2132