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8 Channel Scanning Monitor - TP488-IV

Supplier: Amalgamated Instrument Co

The TP488-IV multizone monitor provides the versatility and flexibility needed to suit applications where monitoring more than one input with relay switching outputs, and/or retransmission (optional), is required.


The TP488-IV display will cycle through the activechannels showing the channel number and the value. The cycling rate can be configured via a software function.

All calibration and setting up is achieved by user pushbuttons, using easy to follow messages on the display. Programming functions include decimal point, digital filter, relay setpoint parameters, number of input channels, calibration and scaling.

The instrument accepts 0-1VDC, 4 to 20mA inputs or direct temperature inputs from LM335 or AD590 sensors. Each input may be individually calibrated and the instrument retains the calibration values in non volatile memory.

A programmable digital filter improves stability by smoothing out short term interference. The setpoint relays may be individually configured for setpoint level, hysteresis, high and/or low alarm, relay trip delay, normally open or normally closed operation.

Individual relays may be allocated to any input channel or a number of channels. Flexible programming allows the user to select the number of inputs and outputs required. The instrument will only scan the selected active inputs.

Optional outputs include isolated analog or serial retransmission. A data logging option is available (all active channels logged) with logged data being downloaded via the serial output option.

Features of 8 Channel Scanning Monitor - TP488-IV:

  • Eight Inputs (selectable 1 to 8)
  • Eight relay outputs (5 Amp, max. 240VAC)
  • Measures from 4-20mA or 0-1VDC input or temperature from LM335 or AD590
  • Flexible alarm functions,relays may be allocated to one or a number of channels
  • Displays input in engineering units
  • Auto scanning or manual display
  • Programmable scan rate
  • Digital filter (improves stability)
  • Pushbutton calibration & setup
  • Optional isolated analog retransmission with binary input channel selection
  • Optional serial retransmission RS232 or RS485 (factory configured) with choice of ASCII or Modbus RTU protocols
  • Optional data logging version
  • Individual calibration for each input
  • High Brightness 20mm LED display readable from 10m away
  • Inbuilt transmitter supply
  • 240, 110 VAC, isolated 12 to 48VDC or non isolated 15-24VDC operation (factory configured)
  • Wallmount/Weatherproof enclosure
  • Rugged IP65 construction
  • 2 year guarantee

Applications of 8 Channel Scanning Monitor - TP488-IV:

  • Cool rooms,Wineries & Breweries
  • Weather Stations
  • Computer Rooms, Laboratories
  • Remote Sites
  • Tank Level Monitoring
  • Air Conditioning Combined Temperature/Humidity
  • Vibration Monitoring
  • Pressure Monitor/Profile

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