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Model 3800 High Elongation Extensometer

Model 3800 High Elongation Extensometer

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Model 3800 High Elongation Extensometer

Product catalog summary

Features:

The extensometer can remain on the specimen through failure, with only the lightweight traveling heads moving.
Includes a high-quality foam-lined case and an adjustable magnetic base for easy mounting.
Offers a large measuring range up to 20 inches (500 mm) and provides low-cost, high-accuracy elastomer strain measurement.

Specifications:

Excitation: Recommended 5 to 10 VDC, with a maximum of 12 VDC or VAC.
Output: Options include 2 to 8 VDC or 2 to 4 mV/V, selectable at the time of order.
Linearity: ≤0.15% of full-scale measuring range.
Temperature Range: 1 °C to 125 °C (34 °F to 257 °F).
Cable: Comes with an integral, ultra-flexible 8 ft (2.5 m) cable.
Operating Force: Typically 20 grams per head.

Options:

Available with high-level outputs (approximately 2-8 VDC) or outputs that mimic strain-gaged devices (2-4 mV/V nominal).
A shunt calibration module is available for units configured to mimic strain-gaged sensors.

Ordering Information:

Model 3800 is available in various combinations of measuring range and gage length.
Example: Model 3800-0100-100T features a 1.0-inch gage length and a +10 inches measuring range.

Design and Usage:

Designed for testing plastics, rubber, and elastomers, these extensometers have long measuring ranges and minimize interaction with the sample.
The main body remains stationary, held by the magnetic base, while the traveling heads move with the sample elongation.
High precision, low friction potentiometers provide a wide range of outputs, suitable for most test controllers and data acquisition systems.

Catalog excerpts

Model 3800 High Elongation Extensometer-1

Technology Corp Model 3800 Available Versions: ANY combination of measuring range and gagelength listed below is available. -025M 25.0 mm -200T +20.000Ք -050M 50.0 mm -125M +125 mm > S PECIFICATIONS -250M +250 mm -500M +500 mm > Excitation: 5 to 10 VDC recommended, 12 VDC or VAC max. 3800 shown with rubber test sample. Output: Either 2 to 8 VDC, depending on model (at 10 VDCinput) or 2 to 4 mV/V, nominal, selectable at time of order Linearity: ≤ 0.15% of full scale measuring range Cable: Integral, ultra-flexible cable, 8 ft (2.5 m) standard Operating Force: 20 grams typical, each head Example: 3800-0100-100T: 1.0 inch gage length, +10 inches measuring range (+1000% strain), temperature range O PTIONS of 34 ˚ F to 257 ˚ F Can be provided with either: High level outputs (approximately 2-8 VDC) Օ Or output that mimics strain gaged devices (2-4 mV/V nominal)2 mV/V output for use with electronics designed for strain gaged sensorsShunt calibration module is available for units configured to mimic strain gaged sensors 3800 shown with magnetic base (included). Close-up showing one spring clip thatattaches to sample. (see page 96) 2.0050.81.5038.15.25133.4 1.50 38.176.23.005.25133.4 3800 WITH 1 OR 25 MM GAGE LENGTH3800 WITH 2Ԕ OR 50 MM GAGE LENGTH Contact Epsilon for your special testing requirements. DIMENSIONS:[mm] inches 16 17 >

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Model 3800 High Elongation Extensometer

Model 3800 High Elongation Extensometer

Catalog excerpts

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