MTL5082 RESISTANCE ISOLATOR With Good Price In Ready Ship

MTL5082 RESISTANCE

ISOLATOR

The MTL5082 connects to a 2-, 3-, or 4-wire resistance temperature device (RTD) or other resistance located in a hazardous area, isolates it and repeats the resistance to a monitoring system in the safe area. The module is intended typically (but not exclusively) for use with Pt100 3-wire RTDs. Switches located on top of the module allow selection of 2-, 3-, or 4-wire RTD connection. The MTL5082 should be considered as an alternative, non-configurable MTL5074, for use in RTD applications where a resistance input is preferred or needed instead of 4/20mA. The design is notable for its ease of use and repeatability. The number of wires which can be connected on the safe-area side of the unit is independent of the number of wires which can be connected on the hazardous-area side. The module drives upscale in the case of open-circuit detection. 

SPECIFICATION OF MTL5082

See also common specification

Number of channels

One

Location of RTD

Zone 0, IIC, T4 hazardous area

Div 1, Group A hazardous location

Resistance source

2-, 3-, or 4-wire* RTDs to BS 1904/DIN 43760 (100Ω at 0°C)

*user selectable by switches located on top of the module (factory

set for 3-wire)

Resistance range

10Ω to 400Ω

RTD excitation current

200μA nominal

Output configuration

2, 3 or 4 wires (independent of mode selected for hazardousarea terminals)

Output range

10Ω to 400Ω (from a 100µA to 5mA source)

Temperature drift

±10mΩ/C° typical (0.01%/°C @ 100Ω)

Response time

To within 4% of final value within 1s

Safety drive on open-circuit sensor

Upscale to 420Ω nominal

LED indicator

Green: one provided for power and status indication

Power requirements, Vs

55mA at 24V

65mA at 20V

45mA at 35V

Maximum power dissipation within unit

1.4W at 24V

1.6W at 35V

Isolation

250V ac between safe- and hazardous-area circuits

and power supply

Safety description

Terminals 1 and 3

Uo = 1.1V

Io = 4mA

Po = 1mW

These terminals meet clause 5.4 of EN50020 : 1994 ‘simple

apparatus’ (U ≤ 1.5V, I ≤ 0.1A, P ≤ 25mW) and can be connected

without further certification into any IS loop with open circuit

voltage of not more than 10V. For higher voltages contact MTL.

See certificate for further details.

Terminals 1 and 3 and 4 and 5

Uo = 6.6V

Io = 27mA

Po = 50mW

Approx weight:500G

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Windy Wang 

HONGKONG XIEYUAN TECH CO., LIMITED   

Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan,China 

Tel: +86-27-8588 3233 | Fax:+86-27-8530 9780 | Mobile/Whatsapp :+86 15972199006 | 

Skype: windy@hkxytech.com Mail: windy@hkxytech.com 

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