Sensorsoft ST6105J Uživatelský manuál stáhnout pdf (Strana 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: < 10 mA

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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Sensorsoft ST6105J Uživatelský manuál Strana 9