User's Manual

Appendix
Parameter Min Typ Max Unit
Digital In Zero Level 0 0.8 V
Digital In One Level 2.4 24 V
Pulse Counters 4
Pulse Counter Speed 10/10k pulses/s
Pulse Counter Input Levels
(Counting on Leading Edge)
0 0.8 V
Sensor Supply Current (2
Switched Outputs)
50/50 mA
Sensor Settling Time .5 2 16383 s
Data Memory Size 600 kByte
Sampling Interval 5 16383 s
Storage Interval 5 16383 s
Other Interfaces
Serial Interface Zero Level RS232
Serial Interface One Level RS232
Battery Charge Current .4 .6 A
Radio Subsystem (Receive /
Transmit)
Operating Frequency (low-band
version)
2
430 450 MHz
Operating Frequency (high-band
version)
450 470 MHz
Frequency Stability (-20 to +50
C)
±1.5 kHz
Frequency Stability (-30 to +60
C)
±2.5 kHz
Receiver
Sensitivity (12 dB S/S+N -118 dBm
Image Frequency Attenuation
(1
st
IF=45MHz)
-70 dB
Local Oscillator Leakage 2 nW
Adjacent Channel Attenuation
(12,5kHz mode)
-57 dB
Adjacent Channel Attenuation
(25kHz mode)
-65 dB
RSSI dynamic 90 dB
Operating current (incl. On-board
microcontroller and RS232 IF)
50 mA
Transmitter (all measurements made
on 50Ohm resistive)
Output power 24 26 27 dBm
Spurious Radiation 200 nW
A
d
j
acent Channel Power -34 dBm
2
This parameter represents the alignment range; the switching range can be
limited in the software to a narrower space (even to the extent of a single channel).
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