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CEM20

Series: DT8x Channel Expansion Module Brand: dataTaker

Connects 20 universal data logging channels to the dataTaker data logger.

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Description
Increasing the channel capacity of the dataTaker DT8x range is easy by adding the Channel Expansion Module (CEM20). Each CEM20 20 Channel Expansion Module connects 20 universal data logging channels to the dataTaker data logger. A CEM20 connects to one analog channel of the data logger. The effectively expands the total channel capacity of the DT80 to 320 analog inputs and the DT85 to 960 inputs. Incorporating the same dual isolation technology as the DT8x range of data loggers, each channel of the CEM20 can be used for two isolated inputs or three common reference inputs so the maximum inputs increase further.
Specifications
Connections to Logger
  • Digital control connections: 5D & 6D in/out terminals
  • Power connections: 12V & DGND twin terminals
  • Analog connections: *,+,-,#
  • Each CEM20 uses a separate 4 wire analog channel on the logger
  • Maximum distance between logger and last CEM20: 100m
  • Maximum number of CEM20 units per data logger: DT80 & DT80G – 5, DT85 & DT85G – 15
Multiplexer
  • Type: Relay multiplexer
  • Maximum Input Voltage: 30Vdc
  • Maximum Sampling Speed: 12Hz
System
  • Status LED: Sample activity
  • Address selection: 4-way DIP switch. Address 1-15
Power Supply
  • Recommended: logger’s switched 12V output
  • Alternative: external regulated 12Vdc +/-5%
  • Power Consumption Sampling: 0.36W (12V 30mA)
  • Idle: CEM20 automatically turned off when not sampling
Physical and Environment
  • Construction: powder coated steel and anodized aluminum
  • Dimensions: 180 x 100 x 50mm
  • Weight: 0.55kg
  • Temperature Range: -45°C to 70°C
  • Humidity: 85% RH, non-condensing
Increasing the channel capacity of the dataTaker DT8x range is easy by adding the Channel Expansion Module (CEM20). Each CEM20 20 Channel Expansion Module connects 20 universal data logging channels to the dataTaker data logger. A CEM20 connects to one analog channel of the data logger. The effectively expands the total channel capacity of the DT80 to 320 analog inputs and the DT85 to 960 inputs. Incorporating the same dual isolation technology as the DT8x range of data loggers, each channel of the CEM20 can be used for two isolated inputs or three common reference inputs so the maximum inputs increase further.
Specifications
Connections to Logger
  • Digital control connections: 5D & 6D in/out terminals
  • Power connections: 12V & DGND twin terminals
  • Analog connections: *,+,-,#
  • Each CEM20 uses a separate 4 wire analog channel on the logger
  • Maximum distance between logger and last CEM20: 100m
  • Maximum number of CEM20 units per data logger: DT80 & DT80G – 5, DT85 & DT85G – 15
Multiplexer
  • Type: Relay multiplexer
  • Maximum Input Voltage: 30Vdc
  • Maximum Sampling Speed: 12Hz
System
  • Status LED: Sample activity
  • Address selection: 4-way DIP switch. Address 1-15
Power Supply
  • Recommended: logger’s switched 12V output
  • Alternative: external regulated 12Vdc +/-5%
  • Power Consumption Sampling: 0.36W (12V 30mA)
  • Idle: CEM20 automatically turned off when not sampling
Physical and Environment
  • Construction: powder coated steel and anodized aluminum
  • Dimensions: 180 x 100 x 50mm
  • Weight: 0.55kg
  • Temperature Range: -45°C to 70°C
  • Humidity: 85% RH, non-condensing
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