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• The world's standard for ac resistance, low frequency inductance and capacitance measurement in a metrology environment
• 0.02% measurement accuracy and +/- 0.0001 Df
• Programmable frequency 12 Hz - 200 kHz
• Extremely reliable can last up to 30+ years

• Owned used and recommend by National Instruments
• Very stable - drift < 50 ppm/yr
• Excellent temperature coefficient - 2 ppm/°C
• Rugged
• Set consists of 4 resistance standards: 25 Ω, 125 Ω, 5 kΩ, 100 kΩ values as recommended by NI PXIe-408x calibration procedure
• 3/4" spacing for direct connection to the NI PXIe-4082
• Low inductance < 0.08 µH
• Accredited Calibration
• In addition to the standard values, any custom value is available.  Please contact the IET sales department, for more information

• High resistance standard based upon a T network design
• 3 lower value resistors simplifies calibration
• Wide range of values - 10 TΩ to 100 TΩ
• Very stable - 500 ppm/yr
• ISO-17025 accredited calibration included
• 3 Year warranty included
• Excellent TC - 25 ppm/°C

Discontinued becuase of parts obsolense as of July 2024

Replaced by the more accuracte easier to use 1888

CLICK HERE FOR THE 1888 Megohmeter

IET can still calibrate and repair most issues

• Range from 1 pF to 11,111 µF
• High accuracy of 0.05% + 0.5 pF
• Units available with as few as 3 and as many as 11 decades
• Excellent Stability 100 ppm per year
• 3-Terminal shielded construction

• Stable within ±0.01% per year
• 18 Models values from 1 µH to 10 H
• Low, known temperature coefficient
• 3 year warranty included

• The world's standard for AC resistance, low frequency inductance and Capacitance measurement
• 0.02% Measurement Accuracy and +/- 0.0001 Df
• Programmable Frequency 12 Hz - 100 kHz
• Widely accepted impedance meter in a metrology environment
• 1689 has a built-in 4 terminal kelvin fixture for testing axial and radial components
• 1689M has four BNC connectors for use with a wide variety of standard accessories

• High flashing rates up to 25,000 per minute — speed measurements to 250.000 rpm.
• Short flash duration — "stops" rapid motion and permits ultra-high-speed photography.
• High accuracy stroboscope — rpm measurements can be made to ± 1%.

• IEEE, RS232 or Ethernet Programmable Decade Resistor
• Wide range and resolution: 1 mΩ to 100 MΩ
• Available at accuracies of : 0.01%, 0.02%, 0.05%, 0.1%, 0.5%, and 1%
• Special RTD and custom configurations
• Dual / Combo rackmount models ( examples: Resistance & Capacitance or Resistance & Inductance)

• Most accurate decade inductor commercially available, accuracy's as good as 0.8%
• Inductance range from 1 mH or 100 µH to 11 H
• Shielded toroidal cores for small mutual inductance and minimal effect from external fields
• Sealed against moisture for long-term stability

• Discontinued
• Voltage output range of 100 µV to 20 V or 200 V
• Current output range of 0.1 µA to 20 mA or 200 mA
• 3½ digit resolution, 0.75 LSD accuracy
• Manual thumbwheel operation or programmable digital input, IEEE-488 or RS232 interface
• May be used as a component in a closed loop control system
• Manufactured in the United States

• Values from 1 pF to 10,000 µF in any custom value available
• Stability as good as ±0.01 %/year
• Two-to-five terminal configuration, depending on model
• Excellent TC: as low as 10 ppm/°C
• 3 year warranty included

• Available in 10 pF, 100 pF,1000 pF, 5000 pF 10,000 pF
• 20 ppm/year stability, history has shown this to be a very conservative specification
• The national laboratory standard for capacitance
• For calibrating highest level standards
• Standard for dissipation factor
• 5 year warranty included 

• Capable of testing all the basic characteristics of virtually any acoustic instrument or system
• Multi-level outputs 74, 84, 94, 104, or 114 dB re 20µPa output
• Multi-frequency outputs 125, 250, 500, 1000, 2000 or 4000 Hz
• Portable battery-operated

• Discontinued
• Kelvin-Varley voltage divider
• Still manufactured to the same specifications as esi/Tegam units
• 4 standard models with resistance values of 1 kΩ & 10 kΩ
• Custom resistance values, like 8 kΩ or 100 kΩ are available
• Precision resistors throughout
• Solid silver-alloy switch contacts
  

• High accuracy - as good as 20 ppm
• High stability - as good as 5 ppm/yr
• Over 55 models available with resistance from 1 mΩ to 121.1 MΩ
• Resolution as good 1 mΩ with a fixed decade or 20 μΩ with a rheostat.

• Primary Calibration grade 100 kΩ Kelivin-Varley Voltage Divider
• Used by National Measurement Institutes around the world
• Built in Wheatstone Bridge allows for a self calibrating circuit
• Employs "Hermetically Sealed Wire Wound Resistors"

• Choose from units with a max. resistance of 1 GΩ, 10 GΩ, 10 GΩ, 1TΩ or 11 TΩ
• Units use the most stable and accurate resistors and custom high voltage switches
• Maximum Voltages of 5000 V or 10,000 V. For 2000 V, consider the standard HRRS Series
• Used for calibration of Meggers and sourcing out precision high resistance.

• Accurate 0.5% to 4%
• Wide range from 50 pF - 1000 µF (depending on model)
• Resolutions as good as 1 pF (depending on model)
• Broad choice of standard and optional models with many powerful features
• Compact, convenient, and rugged

• 5 Test voltages from 50, 100, 200, 250, 500 Vdc
• Rugged and portable analog megohmmeter
• Up to 3% accuracy
• 50 kΩ to 20 TΩ measurement range
• Maximum of 5 mA charge current
• Analog output

• Resistance from 1 mΩ to 111 MΩ
• Available in double-power version: HARS-X2
• Wide choice: single through 11 decade units
• High accuracy - 0.01% (100 ppm) or 0.1% depending on model

• Available in values from 0.001 pF - 1000 pF
• Excellent performance at high frequencies
• ISO-17025 accredited calibration included with the standard