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Amprobe PM55A
Catalog #: 2727721
Automatic Precision Pocket Digital Multimeter w/ Voltect Non-Contact Voltage Detector

  • Overview
  • Specifications
  • Summary

Product Highlights

  • 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

Each Unit Includes

  • 1 - H-PMA Protective Holster
  • 1 - VC3A Zippered Carrying Case
  • 1 - Battery (installed)
  • 1 - User’s Manual

 

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 & W selection) 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
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

 

Function Range Accuracy
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 Ω ± (2.0%+6 dgt)2
  6.000 kΩ ± (1.2%+6 dgt)2
  60.00 kΩ, 600.0 kΩ ± (1.0%+4 dgt)
  6.000 MΩ ± (2.0%+4 dgt)
Open circuit voltage 0.4 V DC typical
1AutoTect™ is for 6.000 kW ~ 6.000 MW ranges
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
  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
Open circuit voltage 0.4 V DC typical
Audible threshold 50 Ω to 300 Ω
Diode Test
Diode test current 0.48 mA
Open circuit voltage < 1.6 V DC

 

Multimeters Template
Type Digital
Style Hand-Held
Measures AC V Yes
Measures DC V Yes
Measures AC A Yes
Measures DC A Yes
True RMS No
Maximum Voltage AC 600 V
Maximum Voltage DC 600 V
Maximum Voltage AC 2000 uA (0.002 A)
Maximum Current DC 2000 uA (0.002 A)
Basic Accuracy V DC ± 2%
Counts 6000 .
Backlight No
Manual/Autranging Auto-ranging
Dual Display No
Analog Bargraph on Display Yes
Decibels No
Resistance Yes
Frequency Yes
Continuity Yes
Capacitance Yes
Temperature No
Diode Testing Yes
CAT Rating II 
CAT Voltage 300 V
IS No
Peak Hold No
Overload Protector Yes
Kelvin 4 wire Measurement Capability No
Wireless Display No
Data Hold No
Low-Pass Filter No
Unique Features Large Oversize Digital Display, Lower Input Impedance which Zeros Out Ghost Voltages
Warranty 1 YEARS
Warranty Details 1 Year from the Date of Purchase, This Warranty Does Not Cover Fuses, Disposable Batteries or Damage from Accident, Neglect, Misuse, Alteration, Contamination or Abnormal Conditions of Operation or Handling
Product Weight 78 GRAMS (0.172 LBS)
Product Height 0.4 IN
Product Length 4.4 IN
Product Width 2.1 IN
Data Logging No
HTS/Schedule B Number 9030.32.0000 
ECCN Number 3A992 
Calibration Included Factory Calibration
Battery Type CR2032
Power Supply Voltage Battery Powered 
Country of Origin Taiwan 
Shipping Height 2.25 IN 
Shipping Length 9.25 IN 
Shipping Width 6.25 IN 
List price:   $77.21
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