MTL661 Powered 4–20mA Loop Indicators Displays 4–20mA loop

MTL661 Powered 4–20mA Loop Indicators Displays 4–20mA loop

The MTL600 range of digital indicators enable process variables to be displayed locally in hazardous and general purpose plant areas.

A typical example would be the re-transmission of mass/flow computations from the safe area, through a suitable MTL IS interface to the indicator in the hazardous area.

The displays are loop powered from the 4-20mA process signal and their low voltage drop allows them to be installed in almost any 2-wire, 4–20mA transmitter loop.

All units can indicate measured values in a linear or a square root extraction mode; the latter being used, for example, to display flow from differential pressure measurement devices such as orifice plates, Dall tubes, or venturi.

The MTL661 Field mounting unit is housed in a tough aluminium enclosure, suitable for wall or pipe mounting. For corrosive atmospheres use the MTL663 - the plastic case provides excellent resistance to harmful contaminents.

The MTL665 is the panel mounted version and is IP65, IP66, IP67 and NEMA4 rated.

MTL66x IS indicators are classified as 'non-energy storing’ simple apparatus so they can be inserted into any IS loop without recertification.

Specification

Loop powered 4-20mA input

<1V drop across input terminals

± 0.01mA accuracy at 20°C

Can be added to existing loop without re-certification

Field and panel mounting versions

Choice of case material

5-1/2 digit LCD display, 26mm height (process value); Eleven 8mm digits (process units & current)

Standard unit location: Zone 0, IIC, T4 hazardous area

Zone 2 IP65 certified versions available

Backlight options

Fully programmable by user

Password protected

Mounting accessories

Related Models:

Achievers Automation Limited

We are a global supplier of quality automation and control components, dedicated to meeting the industrial control needs of businesses worldwide.

• Over12 years of industry experience.
• Operates a full range of industrial automation components and instruments, cooperating with more than 20 brands,ALLEN BRADLEY,Bently Nevada,MTL,E+H,SICK,P+F,IFM and  more.
• These customers hail from over 45 countries across the globe, spanning different continents and diverse industrial landscapes.

Products cover oil development, natural gas development and refining, power plants, new energy, pharmaceutical plants and other industrial fields. Included flow meter,pressure tester,safety barriers,auto mation,valve control and Programmable Logic Controllers (PLC), Distributed Control Systems (DCS), Human Machine Interfaces (HMI), Measuring Instruments and other field instruments are part of the comprehensive product portfolio offered by Achievers Automation Limited to its customers.

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