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Convertor DSC

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Convertor DSC

Producator: LCM Systems

DSC Digital Strain Gauge to Data Converter

Cerere oferta

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Informații

DSC Digital Strain Gauge to Data Converter

Features :

  • RS485 and RS232 versions available
  • Baud rates to 230k
  • High speed to 500 Readings/Sec
  • ±15KV ESD protected
  • Real mV/V calibration
  • Noise Immunity 5x heavy industrial level
  • Diagnostics LED
  • Remote shunt calibration
  • Very high stability
  • Peak and trough recording
  • Programmable dynamic filter
  • Operating voltage (5.4 - 18Vdc)

The DSC is a high performance digital signal conditioner with a host of additional features for the precision measurement of strain gauge based transducers.

The DSC is available with an RS485 or RS232 output format, making it suitable for "one-to-one" or mutli-drop systems. Including the DSC into load cell based applications enables the building of very high accuracy load cells, using the built in linearisation and temperature compensation facilities.

The DSJ1, single channel junction box and DSJ4, four channel junction box are available to assist with simple on-site installation and commissioning.

LCM Systems can also supply PC based software packages, specially written to interface with DCELL based load cells and pressure transducers. Please contact our technical department to discuss your requirements.

Specification :

Description
  Min Typ Max Min Typ Max Units
Bridge Excitation 4.5 5 5.25 4.5 5 5.25 VDC
Bridge Impedance 320 350 5000 320 350 5000 Ohms
Sensor Impedance (18v supply) 320 350 5000 320 350 5000 Ohms ∆
Sensor Impedance (12v supply) 120 350 5000 120 350 5000 Ohms ∆
Bridge Sensitivity -3   +3 -3   +3 mV/V
Offset Temperature Stability   1 4   5 10 ppm/°C
Gain Temperature Stability   3 5   30 50 ppm/°C
Offset Stability with time   0.002 0.008   0.0035 0.016 %FR
Gain Stability with time     30   300   ppm of FR/1st year
Non Linearity   0.0005 0.0025   0.0005 0.0025 %FR
Internal Resolution   16 Million     16 Million   Counts/Divisions
Resolution @ 1Hz (Noise Stable)   400,000     100,000   Counts/Divisions
Resolution @ 10Hz (Noise Stable)   120,000     40,000   Counts/Divisions
Resolution @ 100Hz (Noise Stable)   50,000     10,000   Counts/ Divisions
Resolution @ 500Hz (Noise Stable)   18,000     5,000   Counts/ Divisions

Optional
Temp Measurement Resolution 0.1 0.1 °C
Temp Measurement Accuracy 1 1 °C
Notes: From original offset at any time Stability over 100 seconds ∆ Subject to supply voltage (see electrical specifications)

Electrical
  Min Typ Max Min Typ Max Units
Power Supply Voltage   5.4 12 18 5.4 12 18
Power Supply Noise/Ripple       100     100
Supply Current (350R Bridge)     45 60   45 60
Power@10V Supply (350R Bridge)     350     350  
Excitation System     4 wire     4 wire  

Communications
  Min Typ Max Min Typ Max Units
RS485/RS232 Data Rate 2400   230k 2400   230k Baud
Protocols ASCII, MANTRABUS II, Modbus RTU

CE & Environmental
Storage temperature -40 to +85ºC
Operating temperature -40 to +85°C
Relative humidity 95% maximum non-condensing
Safety/Low Voltage Directive 2006/95/EC
EMC Directive 89/336/EEC 2004/108/EC

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