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Data Logger DEWE-43 for acquisition front-end

 

It's got eight dynamic analog inputs, each one backed up with a 24-bit AD converter for simultaneous sampling at the highest resolution. And the inputs are our "universal" type, which can handle strain gages and voltages up to +/-10V natively ... or connect our tiny MSI adapters and convert any of them to a different input type, including IEPE accelerometer inputs, 200V inputs, RTD's and thermocouples.

Feature

Flexible sample rate ... Anti-aliasing ... Built-in quality


Select any sample rate up to 200 kS/s/ch (simultaneous), for incredible ALIAS-FREE dynamic recordings. The 24-bit ADCs on every channel are the sigma-delta type which have strong anti-aliasing filters built right in. There is an analog AAF filter set to the Nyquist frequency of the top sample rate, plus AAF filters which are set automatically when you change the sample rate.
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Is it rugged? You bet it is. We carve each chassis from a solid block of aluminum using our CNC machines. The result is a chassis that’s tough as nails. Only Dewetron builds instruments this way.

All the inputs


43 track

There are eight great dynamic analog inputs, plus eight advanced counter inputs. Each one can be configured as a counter, timer, RPM converter, encoder input, and more. These inputs are 100% synchronous with the analog inputs, of course.

Each counter LEMO connector also has three digital TTL input lines on it, so there are 24 synchronous inputs as well!
Finally, in addition there are two high speed CAN BUS interfaces, so that you can connect up to the data busses in all kinds of cars, trucks, aircraft, trains, and more. Everything is recorded synchronously to a single data file within DEWESoft, which is included in the DEWE-43 bundle.

Easy notebook connectivity


Plug the DEWE-43 into your notebook computer via USB 2.0, and connect the power (AC adapter included), and you have a system up and running within moments. You can add a webcam to your computer, to add powerful VIDEO information to your recorded data.

The USB connection is secured with a unique mini-USB connector which actually screws into the side of the DEWE-43, locking it in place, and guarding against accidental disconnection. The cable and locking connector is included. The other side of the cable has a standard USB connector to be compatible with every notebook and desktop PC.

Expandability

 

DEWE-43s and notebook

There are several ways that you can expand on the DEWE-43. First, using the 43-SYNC option, you can combine two DEWE-43s together and use them as if they were one single 16 channel module. Both need to connect to a USB 2.0 connector on your computer, and you need to connect the sync line between them (the 3 meter (~9 ft) long cable is included with the sync option). Two DEWE-43s is the limit of what can be combined in the same system. There is no loss of performance when you connect two DEWE-43s to the same computer: you can still sample all channels at 200 kS/s simultaneously!

Spesification

Mechanical specifications:

  • Size: 425 x 340 x 140 mm (16.7 x 13.4 x 5.5 in.)
  • Weight: 8 kg (18 lb.) without batteries

Environmental specifications:

  • Shock: EN 60068-2-27, MIL-STD-810F
  • Vibration: EN 60068-2-6, EN 60721-3-2 class 2M2
  • Temperature range: 0 to +50 °C (-20 when pre-warmed) (10 to 80 % non cond., 5 to 95 % rel. humidity)


Input Specifications
Analog inputs:

  • 24-bit resolution, simultaneous sampling, 204.8 kS/s per channel, anti-aliasing filters,
  • 8 universal analog inputs which natively handle voltages up to ±10 V and full bridges (half and quarter bridge with external completion) and support DEWETRON MSI adapters
  • Direct voltage input ranges: ±10 mV, ±100 mV, ±1 V, ±10 V
  • Direct bridge sensitivities: ±1, ±10, ±100, ±1000 mV/V (@10 V excitation)
  • Excitation voltage: 5 V or 10 V
  • Additional sensor supply: 12 V @ 50 mA per channel,

MSI adapters for Analog inputs:

  • Thermocouple via MSI-BR-TH-x
  • RTD via MSI-BR-RTD
  • ICP® sensors via MSI-BR-ACC
  • Charge sensors via MSI-BR-CH-50
  • Higher voltage, up to ±200V via MSI-BR-V

Digital inputs:

  • 8 advanced 32-bit “super counter” inputs which support event counting, encoder input, period, pulsewidth, duty cycle and frequency measurement
  • Each counter input can be used as three digital inputs instead of a counter

CAN BUS inputs:

  • 2 synchronous high speed CAN bus interfaces


Includes DPS-2410 external AC/DC charger/power supply (runs from any standard AC power worldwide)
Includes soft carrying bag (3200-BAG) with strap and handles, and pouches for storing cables and the DPS-2410
WindowsXP Professional installed and licensed