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MTL7787 | Intrinsically safe zener barrier. | Dwyer
Intrinsically safe zener barrier.
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Details for MTL7787
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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.
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