The
SMW and SMW-HR Surface-Mounting Intelligent Strain Gauge
Amplifiers are rugged instruments which allow a load cell or other strain
gauge device to be connected, the signal conditioned and displayed.
A relay module provides for two set points, complete with In-Flight
compensation. The working units may be set as engineering units. Communication
with intelligent hosts is possible via the ASCII, MODBUS and MANTRABUS
protocol options.
Key features of the SMW & SMW-HR:
Common Features:
Large LCD Display (12.7 mm)
High performance, low drift
Choice of power supplies:
115V AC, 230V
AC and 9 - 32V DC
Isolated analogue outputs, both 4-20mA and 0-10V
Variable gain strain gauge sensitivity from 0.5 to 200 mV/V
Standard internal resolution 1 in 20,000 (14 bits nominally)
Simple one-pass Auto Calibration
Gross, Net, Tare and Print Function Keys
Digital programming, calibration and display
No interaction between Gain and Zero Offset
10 years data retention
Built-in Sensor Excitation will drive up to six 350-ohm gauges
Strain gauge impedance from approx 60 ohms
upwards
Plug-in modules allow custom configuration:
Relay set points, programmable in
engineering units
Communications 20mA Current Loop or RS232/485
Comms protocols ASCII, MODBUS RTU or Mantrabus
Comms baud rates 300 to 19,200
Printers
Remote display module
DIN
Rail Mounting for CPU
Programmable function key disabling
Two passwords - user and calibrator
Robust single-card base PCB
Surface Mount components
IP65 surface mounting field case with cable glands
ABS case, dimensions 200 x 120 x 75 mm
Full CE Approval
Saves cost and space
Easy to use
3 year Warranty
Special Features of the SMW-HR:
6-Digit LCD Display
Internal resolution of 1 part in 500,000 (19 bits)
4-point linearisation
Download the combined Datasheet
Download the Manual for the SMW
Download the Manual for the SMW-HR
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