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RTD Input Signal Conditioner - Discontinued |
| DRF-RTD Series |
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100 Ω Platinum (Pt) RTD Element, 0.00385 Curve
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2 or 3 Wire Configuration
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0.2% Accuracy
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Cable Resistance Compensation up to 10 Ω
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Upscale Break Protection
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Response Time < 250 mS
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Galvanic Isolation Between Input, Output and Power
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This product has been discontinued. For a potential replacement, please see TXDIN402, DR-i3P, or DRST-UN.
The DRF series DIN rail signal conditioners are
designed to accept a broad range of input signals,
such as ac and dc voltage and current, frequency,
temperature (thermocouple and RTD), and process
transducers, and provide standard process outputs
of either 4 to 20 mA, or 0 to 10 Vdc. The DRF series
feature a modern housing design, that is easily
mounted on standard 35 mm DIN rails. Connections
are safely and securely made through pluggable
screw terminal connectors, with input and output
connections on the opposite sides of the module.
The DRF-RTD RTD signal
conditioners accept 2 or 3 wire
100 platinum RTDs as input and
provide an isolated 0 to 10 Vdc
or 4 to 20 mA output. Models are
available with three different power
options,
24 Vdc, 120 Vac and
240 Vac.
The DRF-RTD are ideally suited for
industrial applications. All models
mount on a standard 35 mm DIN
rail and provide galvanic isolation
between input, output and power
up to 3500 Veff (model specific).
Module response time is 250 mS
or less.
Range Code Table for DRF-RTD
| Range Code | Range |
| -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 |
SPECIFICATIONS
RTD: 2 or 3 wire 100Ω platinum
RTD: α=0.00385
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: Measured
with a "Wheatstone" bridge. Bridge
to positive through a 100 .
resistance, Bridge to negative
through 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
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Maximum Voltage Output: 11 Vdc approx.
Minimum Voltage Output: -1 Vdc approx.
Minimum Load Resistance (Voltage): >1 KΩ
Maximum Current Output: 22 mA approx.
Maximum Current Output: -1.5 mA approx.
Maximum Load Resistance (current): >400 Ω
Electrical Connections: Plug-in screw terminals
Protection: IP-30
MECHANICAL DIMENSIONS
Weight:
(DC Powered Models): 120 g (4.2 oz)
(AC Powered Models): 200 g (7 oz)
Dimensions:
(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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† Price are shown in RMB.
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Part Number Builder |
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Option Descriptions
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(1)
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Power
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Select
115VAC for 115 Vac power
230VAC for 230 Vac power
24VDC for 24 Vdc power
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(2)
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Range Code
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Select
-25/75C for -25 to 75 degree C
-50/150C for -50 to 150 degree C
0/100C for 0 to 100 degree C
0/200C for 0 to 200 degree C
0/300C for 0 to 300 degree C
0/450C for 0 to 450 degree C
0/600C for 0 to 600 degree C
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(3)
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Output
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Select
4/20 for 4 to 20 mA
0/10 for 0 to 10Vdc
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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Related Links -
Related Products
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Related Products
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DRF-TC:
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Thermocouple Input Signal Conditioner - Discontinued
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DRF-PR:
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DRF-PR Process Input Signal Conditioners
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DRF-LC:
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DRF-LC Load Cell Input Signal Conditioner
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DRF-FR:
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DRF-FR Freqency Input Signal Conditioner
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