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MADGETECH

Bridge 120 -- Bridge Recorder

Category: DATA LOGGER

Model: Bridge Strain

Avaibility: AVAILABLE

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The Bridge120 is a battery powered, miniature, stand alone bridge/strain recorder. The device features a 20Hz processing speed and a real-time clock module. This easy-to-use device can measure and record up to 32,767 measurements per channel. The storage medium is non-volatile solid state memory, providing maximum data security even if the battery becomes discharged. The device can be started and stopped directly from your computer and its small size allows it to fit almost anywhere. The Bridge120 makes data retrieval quick and easy. Simply plug it into an empty COM or USB port and our user-friendly software does the rest.

Normal Range

± 10 mV

± 25 mV

± 100 mV

± 1000 mV

Measurement Range

± 15mV

± 37.5 mV

± 150 mV

±1200 mV

Resolution

1 ?V

2.5 ?V

5 ?V

50 ?V

Calibrate Acurracy

± 0.25 %

± 0.10 %

± 0.05 %

± 0.01 %

Input Range

0 to 2.5V

0 to 2.5 V

0 to 2.5 V

0 to 2.5 V

Reference Voltage

2.5 V

2.5 V

2.5 V

2.5 V

Input Connection

6-position removable screw terminal

Input Impedance

>1M ? during acquisition, low impedance when inactive

Reference Output

2.5VDC, 2.5mA (1k?) maximum load

Maximum Input Signal Impedance

5 ?

Specified Accuracy

Nominal range @ 25ºC

Temperature Effect on Span

< 25?V over -40 to +80 ºC

Temperature Effect on Offset

< 25?V over -40 to +80 ºC

Engineering units

stored in device, user may define any desired scale and offset from ±1.0000E-31 to ±9.9999E+31

Start Modes

Software programmable immediate or delay start up to 1 day

Realtime Recording

May be used with PC to monitor and record data in real time

Memory

32,767 readings; software configurable memory wrap.

Reading Rate

20Hz to 12 hours

Calibration

Digital calibration through software

Calibration Date

Automatically recorded within device

Battery Type

3.6V lithium battery included; user replaceable

Battery Life

25 Days

Data Format

Date and time stamped %, ppm; ?, ??; V, mV, ?V, engineering units specified through software

Time Accuracy

±1 minute/month (at 20 to 30ºC)

Computer interface

PC serial or USB (interface cable required); 57,600 baud

Software

XP SP3/VIsta/Windows 7

Operating Environment

-40 ºC to +80 ºC, 0 to 95 %RH non-condensing

Dimension

0.8” x 1.7” x 2.7” (20mm x 42mm x 68mm)

Weight

2 oz (60 g)

Approval

CE

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