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Home Test and Measurements SRC-100T-TN RESISTANCE STANDARD
SRX-NI-4082 STANDARD RESISTOR CALIBRATION SET
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RS-RTD- RESISTANCE RTD SIMULATOR
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IET Labs, Inc

SRC-100T-TN RESISTANCE STANDARD

Brand

IET Labs, Inc

Sub Categories

Lab tools

Application

Standard Resistor

Category: Test and Measurements
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  • GENERAL
  • DESCRIPTION
  • SPECIFICATION
  • DATASHEET AND MANUAL
  • ACCESSORIES
GENERAL

GENERAL

  • 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
DESCRIPTION

DESCRIPTION

The SRC-Tnetwork is a standard resistor designed for calibration of various electrometers and megohmmeters.

The SRC-Tnetwork is a high resistance standard that uses 3 lower value resistors configured in a T network to create a higher resistance.

T-Networks
For high resistance measurements a T-network is often used with instruments such as electrometers and megohmmeters equipped with a guard terminal.

A T-network uses low value resistors to achieve what electronically looks like a high value resistor.

T network design

The basic operation of a T-network is three resistors are place in a T configuration and connected to the positive, negative and guard terminals of the megohmmeter.

The ratio of the resistors then determines the effective resistance value that will actually be displayed by the megohmmeter.

The advantages of the T network is that low value resistors are used that can be easily and accurately measured as compared with trying to calibrate a single high value resistor.

The use of binding posts makes it easy to connect to a wide variety of megohmmeters. The use of Kel-F washers under the binding posts minimizes leakage.
The bnc connector provides easy access to the center tap of the T network for calibration, without having to open the housing.
A shorting link allows for guard to be connected to chassis or be used separately depending upon the megohmmeter being calibrated.

SPECIFICATION

SPECIFICATION

SRC-TN T-Network High Resistance Standard Basic Specifications

Model  Nominal Value (Ω)  Adjustment to Nominal (ppm) Calibration Uncertainty (ppm)  Stability 1 year (ppm) Tempco (ppm/°C) Voltage Coef.(ppm/V)
SRC-10T-TN 10 TΩ 1% 750 500
Typically 100 ppm after first year
25 1
SRC-20T-TN  20 TΩ
SRC-50T-TN  50 TΩ
SRC-100T -TN 100 T
DATASHEET AND MANUAL

DATASHEET AND MANUAL

  • Data Sheet: This document explains the features, options, Specifications and option models for this item.
  • Product Manual: Specifications and option models for this item. This document contains the technical product manual and guidelines.
ACCESSORIES

ACCESSORIES

ISO-17025 Accredited Calibration with Test Data

ISO-17025 ACCREDITED CALIBRATION WITH TEST DATA

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