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Amprobe PM55A Automatic Precision Pocket Multimeter

Amprobe PM55A Automatic Precision Pocket Multimeter
(click Photo for Larger Image)

 
PM55A
Precision Pocket Multimeter
AM-PM55A
$64.95

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The ultimate shirt-pocket sized meter!

automatically selects between AC voltage, DC voltage or resistance measurement based on the test point to which the leads are connected.Only 3/8" thick and less than 3 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 to2000 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.

  • 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
Warranty:   One Year
Size:    4.4 x 2.1 x 0.4 in
Weight:    Approx. 78 gm (3 oz)
Safety:    CAT II 600 V, CAT III 300 V, Pollution Degree 2, Class 2

General Specifications
 
Display and update rate 3-5/6 digits 6000 counts;
Updates 5 per second nominal
Operating temperature 0 °C - 40 °C
Relative humidity Max. 80 % R.H. up to 31 °C, decreasing linearly to 50 % R.H. at 40 °C
Altitude Operating below 2000 m
Storage temperature -20 °C ~ 60 °C, < 80 % R.H. (with battery removed)
Temperature coefficient Nominal 0.15 x (specified accuracy)/ °C @ (0 °C ~ 18 °C or 28 °C ~ 40 °C), or otherwise specified
Sensing Average sensing
Overload protection 600 V DC and V AC RMS
Low battery Below approx. 2.4 V
Power supply 3 V standard button battery x 1 (IEC-CR2032; ANSI-NEDA-5004LC)
Power consumption (typical) 6 mA for voltage functions on Auto-V W position & 2 mA for other functions
Automatic Power Off
(APO) timing Idle for 3 minutes
APO consumption (typical) 2.2 μA
Dimension L 113 mm x W 53 mm x H 10.2 mm (4.4 x 2.1 x 0.4 in)
Weight Approx. 78 gm (3 oz)
Special features AutoTect™ (Automatic V & Wselection) and VolTect™ (Electric Field Detection)
Agency approvals CE, cULus
Safety Meets IEC61010-1, UL61010B-1, CAN/CSA-C22.2 No. 1010.1-92, CAT II 600 V and CAT III 300 V,
Pollution Degree 2, Class 2
E.M.C. Meets EN61326

 

Function

Range

  Accuracy
RF field @ 3 V/m Specified accuracy + 45 d (capacitance not specified)
DC Voltage:

6.000 V

± (0.5 %+3 dgt)

60.00 V

± (1.0 %+5 dgt)

600 V (AutoTect™ Lo-Z)

2.0 %

600 V (Hi-Z only)

1.5 % + 5 dgt
NMRR > 30 dB @ 50 Hz/60 Hz
CMRR > 100 dB @ DC, 50 Hz/60 Hz; Rs=1 kW
Input impedance AutoTect™ Lo-Z V DC: 833 kW(4.2 kW when displaying AUTO), 90 pF nom.

V DC AutoTect™ threshold >

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

AC Voltage (50 Hz - 60 Hz):

 

6.000 V, 60.00 V, 600 V

± (1.5 %+5 dgt)
CMRR > 60 dB @ DC to 60 Hz, Rs=1 kW
Input impedance AutoTect™ Lo-Z V AC: 160 kW, 160 pF nominal
Hi-Z ACV 5 MW, 90 pF nominal
ACV AutoTect™ threshold > 1.5 V ac (50 Hz/60 Hz) nominal
Capacitance:
100.0 nF, 1000 nF, 10.0 μF,

100.0 μF, 2000 μF 1 3

± (3.5 %+6 dgt) 2
    1Accuracy below 50 nF is not specified 4Specified with battery voltage above 2.8 V (half full battery).
    2Accuracies with film capacitor or better Accuracy decreases gradually to 12% at low battery warning
    3Updates > 1 minute on large values voltage of approx. 2.4 V.
Resistance:

Range: 

Accuracy

600.0 W

± (2.0%+6 dgt)2

6.000 kW

± (1.2%+6 dgt)2

60.00 kW, 600.0 kW

± (1.0%+4 dgt)

6.000 MW

± (2.0%+4 dgt)
Open circuit voltage 0.4 V DC typical
    1AutoTect™ is for 6.000 kW~ 6.000 MWranges
    2Add 40 dgt to specified accuracy while reading is below 20 % of range
Frequency:
10.00 Hz - 30.00 kHz1, 2 ± (0.5 %+4 dgt) < 2 0 V Sine-rms
10.00 Hz - 999.9 Hz ± (0.5 %+4 dgt) < 600 V Sine-rms
    1Sensitivity (Sine-rms): Hz in Auto-V ( position:> 3 V
    2Line-level Hz in V position: @6.000 V AC range: > 3 V; @60.00 V AC range: > 6 V; @600.0 V AC range: > 60 V
DC μA Current:
Range Accuracy Burden voltage
400.0 μA ± (1.5 %+3 dgt) 6 mV/μA
2000 μA ± (1.2 %+3 dgt) 6 mV/μA
AC μA Current:
Range Accuracy Burden voltage
400.0 μA ± (2.0 %+3 dgt) 6 mV/μA
2000 μA ± (1.5 %+3 dgt) 6 mV/μA
VolTect™
Typical voltage Bar graph indication
15 V to 55 V
30 V to 85 V – –
55 V to 145 V – – –
85 V to 190 V – – – –
above 120 V – – – – –
Indication Bar graph segments & audible beep tones proportional to field strength
Detection frequency 50/60 Hz
     Detection antenna Top left corner of the meter
     Audible Continuity Tester (600 Wrange)
     Open circuit voltage 0.4 V DC typical
     Audible threshold 50 Wto 300 W
Diode Test
     Diode test current 0.48 mA
     Open circuit voltage < 1.6 V DC

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