Size

14.6 mm wide, 30.5 mm long, 6.5 mm thick

Mass

9.5 grams (typical)

Power supply for bridge (or transducer)

up to 2.5 milliamps available for bridge excitation at regulated 3.0 volts

Transmitter Current Draw (low power ver.)

2.8 milliamps (typical)

Transmitter Current Draw (high power ver.)

7.8 milliamps (typical)

RF Power Level (low power version)

-10 dBm (typical)

RF Transmission Range (low power ver.)

20 feet. (typical)

RF Power Level (high power version)

0 dBm (typical)

RF Transmission Range (high power ver.)

200 feet (typical)

Input Options

5 pseudo differential channels (for quarter Wheatstone bridge circuits)
or 3 fully differential channels (for full or half Wheatstone bridge circuits)

Input Amplifier

gain software selectable from 1 to 128;
may be set on channel by channel basis
high CMRR (110 dB min)

 Filter Options

software selectable, low pass, 1 Hz to 250 Hz (-3 dB point)

 A to D Converter

22 bits resolution, w/ filter set 3 dB down at 1 Hz
10 bits resolution, w/ filter set 3 dB down at 250 Hz
sample rate up to 1 kHz/ no. channels, w/ filter 3dB at 250 Hz
self calibrating on start up, using bridge excitation as reference

Output Format, Data Rates:

serial, asynch., PCM, @ 2400 baud; for one 16 bit chan.: 60 samples/sec; for five 16 bit chan.: 20 sweeps/sec
@ 9600 baud; for one 16 bit chan.: 210 samples/sec; for five 16 bit chan.: 80 sweeps/sec

Error Checking:

8 bit digital checksum, insures data integrity

RF transmitter:

surface acoustic wave (SAW), narrow band
carrier frequency factory selectable, 303.825 MHz (optional low power version), 418.0 MHz, 916.5 MHz

On board memory:

nonvolatile, EEPROM, 72 bytes available for storage of software selectable parameters