Datasheet

500 kHz / 1 MHz Precision LCR Meter
Models 894 & 895
4 www.bkprecision.com
Test Signal Frequency
Model Range Minimum resolution Accuracy
894
20 Hz - 500 kHz
0.01 Hz 0.01 %
895
20 Hz - 1 MHz
Specifications
Measurements
Cable length compensation
0, 1, & 2 meters
Math operations
Direct reading, ∆ABS, ∆%
Trigger mode
Internal, Manual, External, Bus
Delay time setup
Time from trigger to start: 0 to 60 seconds
Resolution: 1 ms
Comparator
(Bin sorting)
10-bin sorting, primary bins BIN1-BIN9 and OUT,
secondary bin AUX
Bin counter: 0 to 999,999
PASS/FAIL indication via front panel LED or
handler interface signal
Test Signal Levels
AC source (ALC* OFF)
Voltage Accuracy
10% x set voltage ± 2mV
Voltage Level Resolution
5 mVrms - 100 mVrms 100 µVrms
100 mVrms - 1 Vrms 1 mVrms
1 Vrms - 2 Vrms 10 mVrms
Current Accuracy
10 % x set current ± 10 µA
Current Range Impedance
166.7 µArms - 66.7 mArms 30 Ω
100.0 µArms - 40.0 mArms 50 Ω
50.0 µArms - 20.0 mArms 100 Ω
AC source (ALC* ON)
1
Voltage
Range 10 mVrms – 1 Vrms
Accuracy 6% x set voltage ± 2 mV
Current
Range 100 µArms - 10 mArms
Accuracy 6 % x set current ± 10 µA
DC bias source
Voltage
Range -5 V to +5 V
Accuracy 1 % x set voltage ± 5 mV
Resolution 0.01 mV
Current
Range -50 mA to +50 mA
Accuracy 1 % x set current ± 50 µA
Resolution 0. 1 µA
*Auto Level Control
1: Resolution and impedance see AC source (ALC OFF) specification
Measurements
Measurement parameters
L, C, R, G, X, Z, Y, B, θ, Q, D, DCR
Transformer measurement parameters
2
L2A, L2B, N, 1/N, M
Basic accuracy
0.05 %
AC source Output
impedance (± 2%)
30 Ω, 50 Ω, 100 Ω
Typical measurement time
(≥10 kHz)
(excluding display refresh
time)
Fast 13 ms / measurement
Medium 67 ms / measurement
Slow 187 ms / measurement
Equivalent circuit
Series, Parallel
Range mode
Auto, Hold
Averaging
1-255 measurements
Correction function
Open, Short and Load correction
List sweep
201 sweep
points
Sweep test frequency, test signal AC voltage, test signal
AC current, test signal DC bias voltage and test signal
DC bias current
Measurement
parameters
Primary and secondary
Sweep modes Linear or logarithmic
Trigger mode Sequential and Step
Comparator
One pair of lower and upper limits for primary or
secondary parameter (user selectable)
Internal non-volatile
memory
Save / recall 40 setups
General
External USB memory
Save / recall setups, screenshots, measurements and
sweep data logs
Remote interface
USB (USBTMC or virtual COM), RS232, LAN,
GPIB (895 only)
Handler interface
36-pin connector
AC input
Voltage 110/220 VAC ±10%
Frequency 47 – 63 Hz
Power consumption
Max. 80 VA
Operating temperature
0 °C to 40 °C
Storage temperature
-10 °C to 70 °C
Relative humidity
Up to 80%
Display
4.3” TFT color display
Dimensions (WxHxD)
without bezel: 280 mm × 88 mm × 370 mm
(11.02“ x 3.46” x 14.56”)
with bezel: 369 mm × 108 mm × 408 mm
(14.52” x 4.25” x 16.06”)
Weight
5 kg (11 lbs)
Safety
EN61010-1:2001, EU Low Voltage Directive 2006/95/EC
Electromagnetic
Compatibility
Meets EMC Directive 2004/108/EC, EN61326-1:2006
Three-Year Warranty
Standard accessories
AC power cord, 4-wire Kelvin clip test lead, 4-terminal
test fixture, shorting bar, certificate of calibration,
test report
Optional accessories
Transformer test fixture TL89T1
Valid after 30 minutes of warm up time, operating at 23 °C ± 5 °C
2: Requires optional fixture TL89T1