Panel meter has multiple split personalities

An Amalgamated Instrument product story
Edited by the Engineeringtalk editorial team Jun 5, 2003

The PM4-TCR is a universal panel meter able to accept a wide range of input types without hardware additions.

The PM4-TCR is a universal panel meter able to accept a wide range of input types without hardware additions.

The PM4-TCR accepts: 0-20 or 4-20mA DC; DC voltage in ranges from +/-20mV to +/-200mV; Pt100 or Pt1000 RTD temperature sensors; and type B, E, J, K, N, R, S or T thermocouples.

The functions, including input type, calibration, scaling and relay setpoint setup, are all carried out by software functions accessed by the front panel keypads.

There are no DIP switches, no additional cards and only one jumper to be set inside the instrument allows for full setup.

The PM4-TCR is available with a wide range of display options including a genuine 4-digit LED display with 20mm high digits, displays with 5, 6 or 8 digits and displays that combine a 20-segment bargraph with either 4- or 5-digit numerical readout.

The bargraph and digital display can be independently scaled.

The instrument can be powered from 240, 110, 32 or 24V AC, or 12-48 or 50-110V DC.

The supply voltage is factory configured.

One fully configurable setpoint relay is standard, and a wide range of output options are available as daughterboards.

No additional software is required as the base instrument recognises the presence of the output option and makes the appropriate functions available for setup.

Output options include analogue retransmission - either single or dual channel as 4-20mA or 0-1 or 0-10V DC.

PI control is available on the single channel as well as the first channel of the dual option.

Up to six additional setpoint relays can be added (making a total of seven).

Serial communications options comprise RS232 or RS485 using either ASCII or Modbus protocols.

And digital output can be either binary or BCD (NPN or PNP signal types).

All output options can be easily installed by the user although it is preferable to have them installed by the manufacturer at time of purchase.

The PM4-TCR is a very flexible robust instrument (the case is extruded aluminium) that offers ease of set up and use.

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