DRX-RTD

DRX-RTD
RTD SIGNAL CONDITIONER

What You need:
ò Your choice of the signal conditioner
ò IBM PC or compatible
ò Windows 3.1 or higher, or Windows 95
ò RJ12 connector with telephone cable
ò Adapter (DB9/25 to RJ12)

SETTING UP YOUR SYSTEM
DRN Computer Connection

SPECIFICATIONS
100, 500, 1000 Ohm platinum RTD with both European (alpha=0.00385) and American (alpha=0.00392) curves.

INPUT TYPE:

100 Ohm	-328 to 1562 ░F	-200 to 850 ░C
500 Ohm	-328 to 1562 ░F	-200 to 850 ░C
1000 Ohm	-328 to 1562 ░F	-200 to 850 ░C

ISOLATION
Three way isolation up to 1800 V Peak for 1 minute, 345 V Peak continuous per IEC spacing. Common mode rejection 100 dB

INPUT OVER-VOLTAGE PROTECTION
250 V AC for 1 Minute

ANALOG TO DIGITAL TECHNIQUE
Dual slope

READ RATE
3 readings/second, automatic polarity

ACCURACY AT 25 ░C
▒0.5 ░C for platinum RTDÆs

TEMPERATURE STABILITY
0.05 ░C/░C

STEP RESPONSE FOR RS485 OUTPUT
2 seconds to 99% of the final value (Filter time constant = 64)

RESPONSE TIME
To verify the response time, check the carriage return <CR>, it will be sent at the end of the response. You can send another command after you receive the <CR>.
i.e. send: *01X01 / response: 01X01<DATA><CR>
Note: 01 is address.

WARM UP TO RATED ACCURACY
30 minutes

INPUT POWER
10 to 32 Volt

DC POWER CONSUMPTION
2.4 Watts (100 mA at 24 V DC)

OPERATING AMBIENT
-5 to +55 ░C

STORAGE TEMPERATURE
-40 to +85 ░C

RELATIVE HUMIDITY
90% at 40 ░C non-condensing