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MTL3081 MILLIVOLT ISOLATOR for low-level signals has been discontinued.

description:MTL3000 series MTL3081 MILLIVOLT ISOLATOR for low-level signals has been discontinued for sale now....
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MTL3000 series MTL3081 MILLIVOLT ISOLATOR for low-level signals has been discontinued for sale now.
MTL3000 Series interface units offered a compact and easy-to-use means for communicating safely with process measuring, indicating, actuating and local control equipment in hazardous areas. The comprehensive range of models included analogue, switch and serial-digital signals in both directions, amplifying or otherwise conditioning them as required and at the same time providing world wide certified explosion protection for equipment and wiring in all zones and all explosive atmospheres. It also provided an alternative to the shunt-diode safety barrier where isolation was essential or preferred or a high-integrity earth was not readily available.
 
The MTL5500 Series are the recommended replacements for this series.

MTL3081 MILLIVOLT ISOLATOR for low-level signals.
The MTL3081 takes the signal from a thermocouple or dc millivolt source in a hazardous area, isolates it, and passes it on to the
receiving instrument in the safe area. It is ideally suited to applications where the thermocouple signal is fed directly into the receiving instrument, rather than converted beforehand into 4/20mA. The safety drive, which is optional, can be enabled by a link to initiate either a high or low output in the event of thermocouple burnout or cable breakage. The direction of the safety drive is set by a switch in the top of the unit. The unit is very easy to use since its ±50mV input range is sufficient to cope with all common thermocouple outputs, and so there are no calibration procedures to worry about. Furthermore, its input terminals are non-energy-storing which allows installation in virtually any IS system without further certification.
 
MTL3000 series
Product CodeDescription
MTL3011   Switch/proximity detector relay - volt-free contacts
MTL3012   Switch/proximity detector relay - solid state 
MTL3013   Switch/proximity detector relay - 2-channel 
MTL3014   Switch/proximity detector relay - dual outputs
MTL3021_22  Solenoid/alarm driver ~ IIC loop powered
MTL3041   Repeater power supply - 4/20mA for 2-wire transmitters 
MTL3042   DC isolator - 4/20mA loop powered for I/P converters
MTL3043   DC isolator - 1/40mA for fire and smoke detctors
MTL3045   Isolating driver - 4/20mA for I/P converters 
MTL3046B  Repeater power supply - for ‘smart’ transmitters
MTL3052   Digital isolator - for signals up to 10kHz
MTL3054   Communications isolator/ repeater
MTL3058_59  Serial data interface ~ RS232 general purpose
MTL3071   Temperature converter ~ THC or emf input
MTL3072   Temperature converter ~ 3-wire RTD input
MTL3073   Temperature converter ~ THC or RTD input
MTL3081   Millivolt isolator - for low-level inputs
MTL3099   Dummy isolator - for terminating and isolating unused cores 
MTL3992   High stability power supply
 

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