Leakage Current/IR Meter
The 1855 Capacitor Leakage Current/IR Meter is a fast and reliable digital
leakage current meter. Primarily used for electrolytic capacitor leakage cur
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rent testing, and aluminum-foil withstand voltage testing, the 1855 instrument
also measures insulation resistance. The 1855 instrument comes standard with
an RS-232 interface plus it has an optional IEEE-488 & Handler interface for
high speed automated measurements. Whether its component evaluation on
the production line or bench-top testing in R&D applications, the 1855
The 1855 instrument measures and displays the undesir
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able flow of current through a capacitor or over any surface of insulation. The
leakage current function provides a measurement range from 1nA to 20mA and
The 1855 Model offers flexibility with program
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The DC voltage can be programmed from
1.0V to 100V in 0.1V increments (with current to 500mA) and from 101V to
With a basic accuracy of 0.3%, the compact 1855
Serves as an economical megohmmeter by measuring
and displaying a product's insulation resistance. This resistance can be meas
-
with a programmable test voltage from
The 1855 meets the requirements of the
EIAJ RC-2364A standard with a low programmable constant current for
charging aluminum electrolytic capacitors. The rise time (Tr) and final test
For operator safety and for rapid, complete dis
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charge of large capacitors, a power discharge circuit is built into the 1855 unit.
1-800-253-1230
Fax 1-978-461-4295
Intl. 1-978-461-2100
For more information about special
purchase, rent & lease options, call
For more detailed specifications, visit
www.quadtech.com
1855
TESTERS
USES:
• Production Testing of Leakage
Current on Electrolytic Capacitors,
Zener diodes, Neon lamps, and other
Capacitive Components
• Production Testing of Insulation
Resistance on Switches, Connectors,
and Other Devices
• Testing Insulation Breakdown in
accordance with EIAJ RC-2364A
• Component Evaluation, Testing, and
Design
FEATURES:
Capacitor Leakage Testing
Introduction
Capacitor Leakage Current/IR Meter is right for the task.
Description
Leakage Current:
• 0.3% Basic Measurement Accuracy
• Constant Current: 0.5mA ± 0.05mA
meets EIAJ RC-2364A WV test
• Programmable DC Voltage: 1-650V
• Programmable Charge Current: 0.5500mA
• Programmable Charge & Dwell
Times: 0-999 seconds
• Leakage Current Measurement from:
1nA - 20.00mA
• Insulation Resistance Measurement
from 10Ω- 99GΩ
• Auto Ranging
• Speeds Up to 18 Measurements/second
• Measurement Averaging (1-8)
• Standard RS-232 Interface
• Optional IEEE & Handler Interface
• Front Panel Lockout
• Comparator and Pass/Fail Function
programmable test voltage from 1- 650V DC.
Powerful Charge Current:
mable charge current from 0.5mA to 500mA in increments of 0.5mA.
Programmable Source Voltage:
650V in 1V increments (with current to 150mA).
Precision Measurement:
unit makes consistent, stable, and reliable test results.
Insulation Resistance:
ured over the range of 10 Ωto 99GΩ
1.0V - 650V DC.
Aluminum-Foil Withstand Voltage:
voltage (Vf) are shown on the instrument display.
65 Watt Discharge Circuit:
• Enhanced LCD Display
HIPOT • LCR METERS • MEGOHMMETERS • MILLIOHMMETERS • CABLE
A2
1855 Leakage Current/IR Meter
Leakage Current Test
Measurement Range: 0.001uA - 20.0mA
Accuracy: ± (0.3% + 0.005uA)
Test Voltage: 1.0V - 650V DC, 0.1V/Step
Voltage Accuracy: ± (0.5% + 0.2V)
Test Current: 0.5mA - 500mA, 0.5mA/Step DC <100V
0.5mA - 150mA, 0.5mA/Step DC >100V
Charge Current
Accuracy: ±(3% + 0.05mA)
Insulation Resistance Test
Measurement Range: 10Ω - 99.99GΩ
IR Accuracy: + 0.6% (voltage & load dependent)
Test Voltage: 1.0V - 650V DC, 0.1V/Step
Voltage Accuracy: ± (0.5% + 0.2V)
Test Current: 0.5mA - 500mA, 0.5mA/step DC <100V
0.5mA - 150mA, 0.5mA/Step DC >100V
Charge Current
Accuracy: ±(3% + 0.05mA)
WithStand Voltage Test
Rise Time (Tr): 0.05 - 120s
Withstand Voltage (Vf): 1.0V - 650V DC, 0.1V/Step
Test Current: 0.5mA - 150mA, 0.5mA/Step
Charge Current
Accuracy: ±(3% + 0.05mA)
Measure Time: 30 - 600s
MAX Charge Time: 5 - 600s
General Features
Test Types: Automatic Sequence Test
Manual Step Test
Null: Correction for Lead Leakage
Monitor Voltage (Vm): Monitor & Display Voltage across DUT
Charge Time: 0 - 999seconds
Dwell Time: 0.2 - 990seconds
Discharge: 65 Watt Discharge Circuit
Trigger: Delay: 0 - 9.995seconds
Edge: Falling or Rising
Measurement Mode: Continuous or Trigger (INT, EXT, MAN)
Ranging: Automatic or Hold
Measurement Rate: Fast 18 Measurements/second
Medium: 14 Measurements/second
Slow: 7 Measurements/second
Averaging: 1-8
Compare: Upper & Lower Limits for LC & IR Tests
Indication: Audible Alarm, Programmable High, Low
or Off for Pass or Fail
Front Panel Lockout: Keypad Lock
Display: 240 x 64 LCD Graphic Display
Standard Interfaces: RS-232
Optional Interfaces: IEEE-488 & Handler
Connectors: 1 BNC Terminal: Input
2 Banana Terminals: HV(+), HV(-)
1 Banana Socket: Chassis Ground
Dimensions: (w x h x d): 12.5 x 4.0 x 13.5 inches
(317.2 x 101.5 x 342.6 mm)
Weight: 18lbs (8.2kg) net, 22lbs (10kg) shipping
Environmental: Operation: 10°C to +40°C
Storage: -10°C to +50°C
Humidity: <90%
Pollution Degree 2
Installation Category I
Power: 90-125V AC
190-250V AC
50/60 Hz
400 W Maximum
Ordering Information
1855 Capacitor Leakage Current/IR Meter
Includes:
QT P/N Description
150767 Instruction Manual
1855-01 Test Leads: Banana to Alligator Clip & BNC to Alligator Clip
4200-0300-00 AC Power Cable
520149 Power Line Fuse 115V Operation: T4A 250V
520148 Power Line Fuse 230V Operation: T2A 250V
N/A Calibration Certificate traceable to NIST
For more detailed specifications, visit www.quadtech.com
For more information about special purchase, rent and lease options, call,
1-800-253-1230 • Fax 1-978-461-4295 • Intl. 1-978-461-2100
5 Clock Tower Place, 210 East, Maynard, MA 01754
Optional Accessories:
QT P/N Description
N/A Before & After Calibration Data
700171 IEEE-488/Handler Interface
630157 RS-232 Cable
P/N 030139/
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