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RTD Input Signal Conditioner
DRF-RTD SeriesPLACE ORDER
- 100 Ω Platinum (Pt) RTD Element, 0.00385 Curve
- 2 or 3 Wire Configuration
- 0.2% Accuracy
- Cable Resistance Compensation up to 10 Ω
- Upscale Break Protection
- Response Time < 250 mS
- Galvanic Isolation Between Input, Output and Power
Description The DRF series DIN rail signal conditioners aredesigned to accept a broad range of input signals,such as ac and dc voltage and current, frequency,temperature (thermocouple and RTD), and processtransducers, and provide standard process outputsof either 4 to 20 mA, or 0 to 10 Vdc. The DRF seriesfeature a modern housing design, that is easilymounted on standard 35 mm DIN rails. Connectionsare safely and securely made through pluggablescrew terminal connectors, with input and outputconnections on the opposite sides of the module.
The DRF-RTD RTD signalconditioners accept 2 or 3 wire100 platinum RTDs as input andprovide an isolated 0 to 10 Vdcor 4 to 20 mA output. Models areavailable with three different poweroptions,
24 Vdc, 120 Vac and240 Vac.
The DRF-RTD are ideally suited forindustrial applications. All modelsmount on a standard 35 mm DINrail and provide galvanic isolationbetween input, output and powerup to 3500 Veff (model specific).Module response time is 250 mSor less.
Range Code Table for DRF-RTD
|-25/75C||-25 to 75°C|
|0/100C||0 to 100°C|
|0/200C||0 to 200°C|
|0/300C||0 to 300°C|
|0/450C||0 to 450°C|
|0/600C||0 to 600°C|
RTD: 2 or 3 wire 100Ω platinum
Accuracy: <0.2% full scale
Linearity: <0.1% full scale
Thermal Drift: 250 ppm/°C typical
Response Time: <250 mS (90% of signal)
RTD Excitation: 1 Vdc
Input Impedance: Measuredwith a "Wheatstone" bridge. Bridgeto positive through a 100 .resistance, Bridge to negativethrough a 10 KΩ resistance
Power: 24 Vdc ±10%, 230 Vac ±10% 50/60 Hz,115 Vac ±10% 50/60 Hz
Power Consumption: <3.8 VA
Output: 4 to 20 mA and 0 to 10 Vdc
Maximum Voltage Output: 11 Vdc approx.
Minimum Voltage Output: -1 Vdc approx.
Minimum Load Resistance (Voltage): >1 KΩMaximum Current Output: 22 mA approx.
Maximum Current Output: -1.5 mA approx.
Maximum Load Resistance (current): >400 Ω
Electrical Connections: Plug-in screw terminals
(DC Powered Models): 120 g (4.2 oz)
(AC Powered Models): 200 g (7 oz)
(DC Powered models):
110 H x 22.5 W x 93 mm D (4.3 x 0.9 x 3.7")
(AC Powered models):
110 H x 37 W x 93 mm D (4.3 x 1.46 x 3.7")
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -20 to 70°C (-4 to 158°F)
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