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Mighty Module Model SF1302
RTD Input Slim Profile Two Wire Transmitter

ORDERING INFORMATION

SF1302, ( ) , ( )
| |
| | Temperature Range
|   (specify°F or°C)
|
|

Sensor Type:
4270 - 10 Ohm Copper .00427
3850 - 100 Ohm Platinum .00385
3920 - 100 Ohm Platinum .00392
xxxx -  Other RTD (specify)



Features

RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument Provides DC Output Proportional to an RTD Input
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument 5/8" Thick Low Profile Design Allows Mounting of Two Transmitters in a Standard Single Size Connection Head for use with Dual RTD's
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument 2-Wire, 10 ohms to 1000 ohms RTDs
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument Linearized for Platinum RTDs
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument Unlimited* Choice of Input Ranges
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument 50 mm Diameter Case - 33 mm Mounting Hole Spacing
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument NEMA-4 and Explosion-Proof Connection Heads Available
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument Low Cost
RTD,Input,Slim,Profile,Two,Wire,Transmitter,Model SF1302,Wilkerson Instrument 5 + 5 Year Warranty


Description

The SF1302 is a low-cost, reliable, RTD input two-wire transmitter designed with the OEM in mind.  These transmitters are housed in a low profile, 50 mm diameter extruded aluminum case.  This thin design allows two transmitters to be stacked in one standard connection head for use with dual RTD sensors.

The SF1302 provides a DC output current (4/20 mA) proportional to a two-wire RTD input.  Filtering and conditioning to reduce susceptibility to transients and noisy operations provides accurate, trouble-free operation.  Linearization is provided for platinum RTDs.

The SF1302 utilizes a single constant current source to excite the RTD.  The output ZERO and SPAN controls are located on the top of the case.  Zero is adjustable ± 20% and span ± 15%.  Terminations are made to screw terminal connectors on the top of the case.  A center hole provides clearance for 1/4 inch diameter and smaller sensors.

Typical Application

Remote temperature data acquisition.

Mounting

The SF1302 can be mounted in a connection head (TSH-A6L), explosion-proof housing (XJAY), or on a flat surface using the two 4.5 mm diameter mounting holes provided. Standard 33 mm hole center spacing allows for mounting in most connection heads. The 5.08 mm center hole allows clearance for input wiring or for a 3/16 diameter temperature probe.  An optional DIN-Rail mounting kit is available (DMP2000).  Two transmitters can also be stacked in the DIN rail if space is limited.

Specifications

RTD INPUT
2-Wire, 10 ohms to 1000 ohms,
Pt, Ni, Cu
  (100pT RTD lead resistance 0/1 ohms max. 
  ie: 24 in. Probe with 24 awg Leads)

INPUT RANGE
Select any range within RTD limit
  (min span 50°F/28°C)

EXCITATION CURRENT
2.65 mA

OPERATING TEMPERATURE
-13°F to 176°F
-25°C to  80°C

LINEARITY
(Pt RTD, output vs. temp)
± 0.05% of span
  (-50 to 500°C)
± 0.15% of span
(0 to 900°C)

POWER
 12-36 VDC, polarity protected

SUPPLY VOLTAGE EFFECT
0.02% of span max, 12 to 36 V

COMMON MODE REJECTION
120 dB, DC to 60 Hz

MAX LOAD RESISTANCE
=[(V supply - 10)/20 mA] kilohms

RESPONSE TIME
- Step Change
  150 ms for 99% of final value

ACCURACY
± 0.1% of span or 0.02 ohms, whichever is greater

OUTPUT RANGE
4/20 mA

LOAD RESISTANCE
Rmax = (Vsupply - 12V / .020 mA) kilohms

TEMPERATURE STABILITY
± 0.02% of span or 0.025°C / °C,
whichever is greater

* Within specified range limits

METEX CORPORATION LIMITED

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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.

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