IET Labs Product Selection Guide

IET Labs, Inc. - In the GenRad Tradition

A2LA Accredited

Expanded Scope Now Includes
ac Resistance
(View Certificate)

ISO 9001 Compliant
ANSI/NCSL Z540 Compliant

In the
GenRad
Tradition...

The World Leader in Metrology since 1915

Proudly Made in
the USA

Selection Guide

Cost Effective and Custom Solutions for R-L-C, RTD, Voltage, Current and Process Control.

DECADE SUBSTITUTERS	STANDARDS	OTHER
Resistance Capacitance Inductance V/I Source RTDs	Resistance Capacitance Inductance V/I Source	Test Instruments Digibridges - LCR Meters Megohmmeters Microhmmeters WINDOWS AND IEEE-488 TOOLS AUDIO • SOUND - STROBES

RESISTANCE DECADE SUBSTITUTERS • DIVIDERS

Series	Type	Basic Accuracy	Range	Max. Resolution	Features
RS	General / Field grade	0.1% (or better) to 1%	.001Ω -100 MΩ	10 mΩ	Economical, toolbox size
RCS	Field grade Resistance and Capacitance Box	0.1% (or better) to 1%	.001Ω -100 MΩ	10 mΩ	Consists of an RS, Resistance Box, and a CS, Capacitance Box
GenRad 1433	High accuracy	0.01%	0-111 MΩ	1 mΩ	Laboratory grade
HARS-X	High accuracy	0.01%	0-111 MΩ	1 mΩ	Laboratory grade;high accuracy;high stability;low zero resistance;low temperature coefficient;suitable for RTD simulation.
HARS-Q/A/B	High accuracy	0.02% - 0.05% - 0.1%	0-111 MΩ	1 mΩ
HARS-L	Lab/cal grade	25 ppm + 0.5 mΩ absolute	10 mΩ -120 MΩ	1 mΩ, 20 uΩ
HARS-LX	Lab/cal grade	20 ppm + 0.5 mΩ absolute	10 mΩ -120 MΩ	1 mΩ, 20 uΩ
HRRS	High resistance	0.01% - 1%	0 - 10 TΩ	10 Ω	High resistance
HRRS-5kV	High resistance High voltage	0.01% - 1%	0 - 10 TΩ	10 Ω	High resistance to 5 kv.
HPRS	High power	0.5% - 1%	0 - 10 MΩ	1 mΩ	High power; 25 W/step; 250 W max.
PRS	Programmable	0.01% - 1%	0 - 100 MΩ	1 mΩ	IEEE-488 or RS-232
HATS-LR	Transfer standard	1 ppm transfer	1 Ohms - 100 kΩ/step	1 Ω	High accuracy transfer standard
HATS-Y	Transfer standard	2 ppm transfer	100 kΩ - 10 MΩ/step	100 kΩ	High accuracy transfer standard
KVD-700	Kelvin-Varley voltage divider	0.1 ppm linearity	0 to 1100 V	0.1 ppm	Highly accurate for bridge applications to measure and calibrate voltages, resistance, etc.
KVD-600	Kelvin-Varley voltage divider	0.5 ppm linearity	0 to 1100 V	0.1 ppm
KVD-500	Kelvin-Varley voltage divider	0.05% to 1%	1 Ω - 100 kΩ	1 ppm	General purpose; economical; thumbwheel switches.
DP-500	True digital pot	0.05% - 1%	0 - 50 MΩ	1 ppm	Suitable as component

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CAPACITANCE DECADE SUBSTITUTERS • DIVIDERS

Series	Type	Basic Accuracy	Range	Max. Resolution	Features
CS	General / Field grade	0.5% - 4%	0 - 1000 μF	1 pF	General purpose; economical; thumbwheel switches.
RCS	Field grade Capacitance and Resistance Box	0.5% - 4%	0 - 1000 μF	1 pF	A combination of a CS, Capacitance Box, and a RS, Resistance Box
HACS	High accuracy Decade	0.05% - 0.1%	100 pF - 1111 μF	100 pF	Laboratory grade; high accuracy: high stability; low temperature coefficient.
HACS-Z	High accuracy; low zero capacitance Decade	0.05% - 0.1%	0 - 10,000 μF	1 pF
GenRad 1412	Stable polystyrene	0.5%	50 pF	1 pF	Precision decade with variable fine adjustment
GenRad 1413	High accuracy: low zero	0.05%	0 - 1.11111 pF	1 pF	Laboratory grade; High Accuracy high stability; low temperature coefficient.
GenRad 1417	High Capacitance Standard	0.02%	1 μF - 1 F	1 mF	High value precision capacitance
PCS	Programmable Decade	0.5% - 4%	0 - 1000 μF	1 pF	IEEE-488 or RS-232
GenRad 1422	Precision variable air capacitor	0.1 pF - 1.5 pF	10 - 1100 pF	0.02 pF	High resolution and stability;low loss.
GenRad 1423	Precision Decade Capacitor	0.05%	100pF to >1μF	100 pF	Two- or Three- terminal connection
GenRad 1419	High Accuracy Capacitance	.05%	100pF-1.1μH	100pF	Choice of models with two- or three terminal connection.

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INDUCTANCE DECADE SUBSTITUTERS • DIVIDERS

Series	Type	Basic Accuracy	Range	Max. Resolution	Features
LS	General / Field grade	1% (or better) - 4%	1 μH - 100 H	1μH	Economical, toolbox size
PLS	Programmable Decade	2% (or better) - 4%	1 μH - 100 H	1μH	Economical, microprocessor controlled
GenRad 1491	High Accuracy Decade	0.8%	100 μH - 11 H	100 μH	Laboratory grade; high accuracy; high stability; low temperature coefficient.

DIGIBRIDGES AND LCR METERS

Model	Type	Features
GenRad 1689/1689M	Precision RLC Digibridges	0.02% Accuracy; Programmable Freq 12 Hz - 100 kHz
GenRad 1693	Highest Performing Digibridge	0.02% Accuracy; Programmable Freq 12 Hz - 200 kHz
GenRad 1692	RLC Digibridge	0.05% Accuracy; Cost - Effective
GenRad 1659	RLC Digibridge	0.1% Accuracy; Cost - Effective
GenRad 1621	Ultra Precision Capacitance Measurement System	10^-7 pF - 10 uF - 12 digit resolution
GenRad 1620	High Precision Capacitance Measurement System	10^-5 pF to 11.1 uF, 0.01% accuracy, 1 ppm resolution
LCR-500	Low Cost LCR Meter	Low Cost Autoranging portable, multiple features
IMF-600	Impedance and multifunction meter	Multipurpose, digital output, current output, autoranging

MEGOHMMETERS

Model	Type	Features
GenRad 1863/1864	High accuracy Megohmmeter	50 kΩ - 200 TΩ; 3%

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MICROHMMETERS

Model	Type	Features
LOM-510A	High accuracy Micro-Ohmmeter	1 μΩ - 199.9Ω; 0.02%
LOM-DO7e	Portable Digital Micro-Ohmmeter, Rugged	1 μΩ -600Ω; 10 A; Autoranging
LOM-4000 - LOM-4001	Portable Digital Ohmmeter (Milliohmmeter)	100 μΩ-4kΩ; 0.05%; Autoranging
LOM-D0500 - LOM-DO5001 - LOM-D05002	High Range Digital Micro-Ohmmeter	0.1μΩ-30,000Ω; 0.03%

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VOLTAGE & CURRENT DECADE SUBSTITUTERS • DIVIDERS

Voltage & Current Source
Series	Type	Basic Accuracy	Range	Max. Resolution	Features
VI-700	Precision V-I	75 ppm	100 mV - 200 V	100 mV - 200 V	Wide Range Precision; programmable optional
HSVR Series	Voltage Standard	1 ppm	Less than 1 V to Greater than 20 V	1 ppm	High Stability Standard Voltage Reference and Cell Replacement

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RTDs

Series	Type	Basic Accuracy	Range	Max. Resolution	Features
RTD-250	Manual, economy	200 ppm	10 Ω - 11 kΩ	10 Ω	General purpose, economy
RTD	Manual, precision	50	10 Ω - 11 kΩ	10 Ω	General purpose; high accuracy; absolute settings; no zero subtraction required.
PRTD	Programmable	0.01% - 0.1%	4 Ω - 10 MΩ	1 mΩ	IEEE-488 or BCD programmable; absolute settings; no zero subtraction required.
ohmSource	Elec-Res Box	0.10%	0.5 Ω - 24 MΩ	10 mΩ	Economical, microprocessor controlled

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STANDARDS • RESISTANCE

Series	Type	Basic Accuracy	Range	Features
SRL	Resistance, lab/cal grade	1 ppm	1Ω - 19 MΩ	Extremely high precision and stability; very low temperature coefficient.
SRR	Resistance, lab/cal grade	1 ppm	1 mΩ - 100 mΩ	Reichsanstalt type.
SRX	Resistance, high accuracy	2 - 100 ppm	1 mΩ - 100 mΩ	Accurate, portable, economical.
SRA	Resistance, economy	2 - 100 ppm	1 mΩ - 100 mΩ	Accurate, portable, economical.
SRC	Resistance, high resistance	15 - 2500 ppm	19 MΩ - 1.9 TΩ	Accurate, portable, economical.
VRS-100	Resistance, high resistance	2 - 2500 ppm	1 kΩ - 1 TΩ	9 discrete steps 1 kΩ - 1 TΩ
HATS	Transfer standard	1 ppm	1 Ω - 10 Ω to 10 MΩ/step	High accuracy transfer standard

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STANDARDS • CAPACITANCE

Series	Type	Basic Accuracy	Range	Features
GenRad 1404	Capacitance, Nat’l std lab type	5 - 11 ppm	10 - 1000 pF	Very accurate and stable; very low TC
GenRad 1408	Capacitance w/oven	5 - 11 ppm	10 - 1000 pF	Dual unit with virtually zero TC
SCA	Capacitance, high accuracy	0.01% - 0.04%	1 pF - 1900 μF	Accurate, portable, economical.
GenRad 1409	Capacitance, high accuracy	0.01%	10 pF - 1000 μF	Accurate, stable, economical
GenRad 1403	Capacitance, high accuracy	0.01%	0.001 pF - 1000 pF	Accurate, stable and small
GenRad 505	Capacitance, high accuracy	0.5% or +/-3pF	100 pF - 0.5 μF	Small, convenient, stable and accurate

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STANDARDS • INDUCTANCE

Series	Type	Basic Accuracy	Range	Features
SLC	Inductance	0.8%	100 μH - 10 H	Toroidal inductors, economy.
GenRad 1482	Inductance	0.025%	100 μH - 10 H	Toroidal inductors, National Standard Laboratory grade.

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STANDARDS • VOLTAGE • CURRENT

Series	Type	Calibration Accuracy	Range	Features
HSVR	Voltage lab/cal grade	1-2 ppm	1.01 V - 18.9 V	Low temperature coefficient, small size.
VI-700	Precision voltage & current source	75 ppm	100 uV - 200 V	General purpose; programmable.

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TEST INSTRUMENTS

Series	Type	Features
GenRad 1689/1689M	Precision RLC Digibridges	0.02% Accuracy; Programmable Freq 12 Hz - 100 kHz
GenRad 1693	Highest Performing Digibridge	0.02% Accuracy; Programmable Freq 12 Hz - 200 kHz
GenRad 1692	RLC Digibridge	0.05% Accuracy; Cost - Effective
GenRad 1659	RLC Digibridge	0.1% Accuracy; Cost - Effective
GenRad 1620	High Precision Capacitance Measurement System	10^-5 pF to 11.1 μF, 0.01% accuracy; 1 ppm resolution
GenRad 1621	Ultra Precision Capacitance Measurement System	10^-7 pF to 10 μF - 12 digit resolution
GenRad 1840-A	Output Power Meter	Measures audio-frequency power into any desired load
IMF-600A	Impedance and multifunction meter	Multipurpose; digital output, current output, analog output, autoranging.
GenRad 1644A	Megohm Bridge	Will measure: Insulation Resistance, Resistance, Voltage and Temperature Coefficents, Volume and Surface Resistivity
LCR-500	Impedance - LCR meter	Autoranging; portable; multiple features.
LOM-510A	High accuracy micro-ohmmeter	1 μΩ resolution; high accuracy; portable.
LOM-4000 Series	Portable Digital Ohmmeter	10 μΩ resolution; high accuracy; portable.
BP-511	Universal battery pack and AC power source	Can power and make portable almost any instrument.
Ground Check	Ground Continuity Check	Assured Equipment Grounding Conductor Program

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WINDOWS AND IEEE-488 TOOLS

Series	Type	Features
LabVIEW	Software tool for designing and developing test, measurement, and data acquisition applications for Windows	Drag and drop interface; powerful data acquisition, I/O, math, display functions, and many other extensive features.
NI-488	IEEE-488 Interface software and hardware	Fast data transfer; IEEE-488.2 compatible. Supports Windows 95 and NT; compatible with Industry’s most popular software packages.

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AUDIO • SOUND - Formerly manufactured by GenRad

Series	Type	Features
GenRad 1565	Sound Level Meter	40-140 dB; ANSI type 2; A, B, C weighting.
GenRad 1562	Sound Level Calibrator	Calibrates most sound level meters.
GenRad 1981-B	Precision Sound Level Meter and Analyzer
GenRad 1982	Precision Sound Level Meter	Type 1. Highest Preforming Sound Meter
GenRad 1986	Omnical Sound Level Calibrator
GenRad 1987	Minical Sound Level Calibrator
GenRad 1954	Noise Exposure Monitor and Indicator
GenRad 1310-B	Oscillator
GenRad 1390-B	Random Noise Generator
GenRad 1933	Precision Sound Meter and Analyzer
GenRad 1557-A	Vibration Calibrator
GenRad 5301-8111-00	GenRad Handbook of Noise Measurement

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STROBES - Formerly manufactured by GenRad

Series	Type	Features
GenRad 1531-AB & 1538-A Stroboscope	Stroboscopes, high speed, portable	Flash rates up to 150,000 ƒpm
GenRad 1539 Stroboscope	Stroboslave light source	Externally triggered flash rates up to 25,000 ƒpm
GenRad 1542 Stroboscope	Strobotac, compact, economy	Up to 3,800 bright white ƒpm
GenRad 1546 Stroboscope	Strobotac digital Stroboscope	Quartz accuracy 0.01%

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