Sensorsoft ST6105C User Manual - page 9
Sensorsoft Thermometer User Manual
ST6154J Sensorsoft Thermometer Specifications
Probe measurement range
: -55 º C to +125 º C (-67 º F to +257 º F)
Resolution or precision:
0.1 º C (0.18 º F)
and
0.5 º C (0.9 º F)
Accuracy:
+/- 0.5 º C (+/- 0.9 º F) over 0 º C to +70 º C (32 º to 158 º F) and
+/- 1 º C (1.8 º F) over remainder of temperature range
Calibration:
Calibrated at the factory. Re-calibration in the field is not possible. Sensor probe
can be replaced if returned to the factory.
Maximum measurement rate
: one reading every second
Probe dimensions
: 20.3 cm (8") long, 6 mm (1/4") diameter, stainless steel probe with 1.2 m (4
ft.) long, high-temp silicone rubber cable.
Sensor type
: semiconductor (Dallas Semiconductor DS18S20)
Housing Dimensions
: 8 cm (3.1") x 4 cm (1.6") x 2 cm (0.8")
Housing Material
: injection molded ABS thermoplastic
Housing Color
: light gray
Housing operating temperature
: -40 º C to +60 º C (-40 º F to +140 º F)
Communications connector:
8 position modular jack, (accepts 8 position plug RJ45)
Power source:
Port-powered (RTS and DTR, both asserted) or via External DC power connector
Power supply current drain:
External DC power connector:
2.1 mm power jack, automatic polarity correction and over-
voltage protection.
External power supply voltage:
6.0 - 12.0 VDC
Communications Interface:
RS232C using TX,RX,RTS,DTR and GND. One device per serial
port.
Maximum communications cable length:
305 m (1000 ft.) using recommended cable type. Low
capacitance shielded cable or UTP is recommended.
Communications Protocol:
Sensorsoft Device Protocol, Version 2.0
Error control:
16 bit CRC (cyclic redundancy checking) for detection of communication errors
between the device and host computer.
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