Amprobe AMB-55, AMB-110 Specifications
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Data Sheet
AMB-55, AMB-110
High Voltage Digital
Megohmmeters – Insulation
Resistance Testers
Amprobe Industrial High-Voltage Insulation Testers have
all necessary features for advanced professional insulation
diagnostics. Automated calculation of PI, DD and DAR, combined
with a possibility to perform a step voltage test make these
instruments suitable for the most demanding customers and
applications. Large LCD display allows real time R(t) graphs to be
displayed. Windows compatible PC Software and either RS232 or
USB communications ports serve for connecting the instrument to
the PC and management of the recorded test data.
Test insulation of wires, cables, transformers, motors, surge
arrestors and generators
Selectable testing voltages - one testing instrument for low
and high voltage systems:
AMB-55 from 250V to 5000V with 25V increments
AMB-110 from 500V to 10,000V with 25V increments
Insulation resistance measurement up to 10TΩ
R(t) graph - Real time resistance against time graph plotting
facility to graphically illustrate the response of a material to
an applied test voltage
User selectable Programmable Timer (1s to 99 min)
Automatic discharge of test object after completion of
measurement
Capacitance Measurement
Diagnostic tools
Polarization index (PI)
Dielectric discharge (DD)
Dielectric Absorption Ratio (DAR) with automated
resistance ranging (AR).
Step voltage test - Insulation resistance will be measured
at five different, equality sequenced test voltages for in-depth
insulation system diagnostics
Amprobe® Test Tools
www.Amprobe.com
AMB-55, AMB-110
Data Sheet
High Voltage Digital Megohmmeters – Insulation Resistance Testers
All parameters can be measured and displayed in one single measurement.
High charging capacity - With 5 mA charging current insulation systems up to 50 μF can be
quickly charged and tested.
High EM (noise) immunity - Built in noise rejection filters and shielded test leads supplied in a
standard set make the instrument suitable for accurate insulation testing in environments with
high EM interferences like HV switchyards or similar environments
Handy, rugged carrying case
Dual power source – receptacle or rechargeable batteries
Built in internal memory storing 1000 measurements with time and date
CAT IV 600V overvoltage category for industrial applications
General Specifications
Feature AMB-55 AMB-110 Accuracy
Insulation Resistance 0 – 999 kΩ
DC Test Voltage and Step Voltage
Display Range Test Voltage 0 – 5500V 0 – 9999V ±(3% rdg + 3V)
Current Display Range 0.00 – 9.99, 10.0 – 99.9, 100 – 999 nA
Dielectric Absorption Ratio (DAR) 0 – 99.9 ±(5% rdg + 2 dgts)
Polarization Index (PI) 0 – 99.9 ±(5% rdg + 2 dgts)
Dielectric Discharge Test (DD) 0 – 99.9 ±(5% rdg + 2 dgts)
Leakage Current Display Range
External Voltage Measurement
Capacitance Measurement 0.0– 99.9, 100 – 999 nF
Discharging Resistance 300 kΩ 425 kΩ ±10%
Mains Power Supply
Battery Power Supply
Dimension (w x h x d)
Weight (without accessories,
with batteries)
250 V to 5 kV, steps by 25 V 500 V to 10 kV, steps by 25 V
6 x 1.2V Ni-MH, IEC LR14 6 x 1.2V Ni-MH, IEC LR20
31 x 13 x 25 cm (12 x 5 x 10 in) 36 x 16 x 33 cm (14.2 x 6.3 x 13 in)
1.00 – 9.99, 10.0 – 99.9, 100 – 999 MΩ
1.00 – 9.99, 10.0 – 99.9, 100 – 999 GΩ
1.00 – 10.00 TΩ
10kV ±(3% of reading)
1.00 – 9.99, 10.0 – 99.9, 100 – 999 μA
1.00 – 5.5 mA
0 – 5.50 mA ±(5% rdg + 2 dgts)
0 – 600V
1.00 – 50.00 μF
90 - 260VAC, 45 - 60 Hz, 60VA
3 kg (6.6 lb) 5.5 kg (12.1 lb)
±(5% rdg + 3 dgts) below 1TΩ
±(15% rdg + 3 dgts) @ 1TΩ and
above
±(5% rdg + 0.05 nA)
±(3% rdg + 4V) @ 45 to 65Hz
and DC
±(5% rdg + 4 nF)
Amprobe® Test Tools
website: www.Amprobe.com
email: info@amprobe.com
Everett, WA 98203
Tel: 877-AMPROBE
Amprobe® Test Tools
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
Tel.: +49 (0) 7684 8009 - 0
©2011 Ampro be Test Tools. A ll rights reserved.
4/2011 40 39992 Rev A
www.Amprobe.com
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