IET LABS, INC. in the GenRad Tradition

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1900 Series

Page 2 of 3

1900 Series Datasheet June 2022

Precision LCR Meters

SPECIFICATIONS

Measurement Speed:

Speed

Accuracy Setting

40 meas/sec

Low, No Display

25 meas/sec

Low

10 meas/sec

Medium

1 meas/sec

High

The speed is slower at lower frequency settings and may be

affected by test conditions

DC measurements take 2x as long as AC measurements

Ranging:

Automatic, Range Hold or user-selectable

Test Frequency:

Range: 20 Hz to 1 MHz

Resolution from 20 Hz to 1 kHz: 1 Hz

Resolution from >1 kHz: 4 digits

Accuracy: ±(0.02% + 0.02 Hz)

Trigger:

Internal (automatic)

External (via RS-232, IEEE-488.2, or

Handler)

Manual

Source Impedance:

5 Ω, 25 Ω, 50 Ω, or 100 Ω

AC Test Signal:

20 mV to 1.0 V (open circuit) in 5 mV steps

DC Test Signal:

20 mV to 1.0 V (open circuit) in 5 mV steps,

5 Ω source impedance

DC Bias Current: (1910 only)

Internal: 0 to 1 Amp in 1 mA steps

DC Bias Voltage: (1920 only)

Internal: 0 to 2.0 V in 1 mV steps

Power:

100 to 240 Vac

50 - 60 Hz

100 W max

Formats for Results:

Engineering or scientific format

Deviation from nominal of primary parameter

%Deviation from nominal of primary

parameter

Pass/Fail

No display mode for maximum throughput

Sequencing:

Displays up to 6 sequential test results,

primary and/or secondary

Display:

LCD Display with backlight

Pass/Fail and Status indicators

Standard Interfaces:

IEEE-488, RS-232, Handler I/O

Measurement Delay:

Programmable from 0 to 1000 ms in 1 ms

steps

Averaging:

1 to 1000, programmable

Median Value:

Averaged over the last three measurements

Setup Storage:

30 Single Tests

10 Sequential (6 tests in each)

Self-Test:

Verifies critical instrument operation at

power-up or when selected from a menu

Other Features:

Constant-voltage mode

Cable compensation (1 m, 2 m, no cable)

Open/Short zeroing

Distortion check

Test Terminals:

Four bnc connection terminals are located

on the front panel

Optional test fixture available

Mechanical:

Dimensions: 43.2 W x 13.3 H x 40.6 D cm

(17" x 5.25" x 16")

Weight: 8 kg (17.6 lbs)

Environmental Conditions:

Operating temperature: 0 to 50°C, <75% RH

Storage temperature: -40 to 71°C

Altitude: < 2000 m

Measure Parameters:

Parameter

Measurement Range

Basic Accuracy

Low

Medium

High

Ls, Lp

0.001 nH to 99.999 kH

±0.5%

±-0.25%

±0.1%

Cs, Cp

1 pF to 9.9999 F

±0.5%

±-0.25%

±0.1%

|Z|, Rs, Rp, Xs, ESR

0.0001 mW to 99.999 MW

±0.5%

±0.25%

±0.1%

Y, Gp, Bp

10 nS to 9999.9 S

±0.5%

±-0.25%

±0.1%

D

0.00001 to 99.999

±0.005

±0.0025

±0.001

Q

0.00001 to 99.999

±0.005

±0.0025

±0.001

Θ

-180.00 to 179.99°

±1.8°

±0.9°

±0.18°

DCR

0.1 mW to 100 kW

±0.5%

±0.25%

±0.2%

DUT AV Voltage

20 mV to 1.0 V

±(2% + 5 mV) @1kHz

DUT AC Current

1 µA to 150 mA

±(2% + 5 µA) @1kHz

DUT DC Voltage

20 mV to 1.0 V

±(2% + 5 mV)

DUT DC Current

1 µA to 150 mA

±(2% + 5 µA)

For more detailed accuracy information, see instruction manual