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MTL7706 | Intrinsically safe zener barrier | Dwyer

Intrinsically safe zener barrier

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Dwyer MTL7706 Documents

Instruction Manual Series MTL7706/7787 Catalog Page More Info

Overview

Details for MTL7706

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Intrinsically safe zener barrier

SERIES MTL7706/7787 ZENER BARRIER

Intrinsically Safe Barriers for Hazardous Locations

The MTL7706/7787 is an intrinsically safe (IS) shunt-diode barrier that can be used to communicate with and provide isolations for certain Dwyer® transmitters approved for use in hazardous areas. These barriers limit the amount of energy allowed to pass into the hazardous area, which inhibit ignition in flammable atmospheres.

Product Applications

Electrically isolates pressure and level transmitters from unregulated circuits for intrinsically safe applications

Approved for use in hazardous areas

Specifications

Series: MTL7706/7787 ZENER BARRIER
Category/Type: Process Control
Type: Intrinsically Safe Barriers
Series: MTL7706/7787 ZENER BARRIER
Transmitter Voltage: 16.2 V @ 20 mA with 250Ω load (negative w.r.t. earth); 11.0 V @ 20 mA with 500Ω load (negative w.r.t. earth).
Safe Area Output: 4 to 20 mA.
Load Resistance: 0 to 500Ω.
Power Requirement: 20 to 35 VDC w.r.t. earth.
Accuracy: ±2 µA under all conditions.
LED Indicator: Green: Power Indication.
Temperature Limits: Operating: -4 to 140°F (-20 to 60°C); Storage: -40 to 176°F (-40 to 80°C).
Humidity: 5 to 95% RH.
Terminals: Accommodate up to 2.5 mm² stranded or single-core.
Safety Description: 28 µV; 300Ω; 93 mA.
Weight: 4.9 oz (140 g).
Agency Approvals: See table on Catalog page.