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Mighty Modules Model SR2300
RTD Input Field Rangeable Two Wire Transmitter

ORDERING INFORMATION

SR2300, ( ) , ( )
| |
| | 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)


Example: SR2300,3850,0/250F

RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Catalogue
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Manual


Features

RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Provides DC Output Proportional to an RTD Input
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument 3-Wire or 2-Wire, 10 ohms to 1000 ohms RTDs
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Test Points for Loop Current Monitoring Without Breaking Loop Circuit
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Linearized for Platinum RTDs
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Unlimited* Choice of Input Ranges via Interchangeable Range Cards
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Reverse Polarity-Protected
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument 50 mm Diameter Case - 33 mm Mounting Hole Spacing
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument NEMA-4 and Explosion-Proof Connection Heads Available
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Low Cost
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument Intrinsically Safe Design with FM and CSA Approvals Pending
RTD,Input,Field,Rangeable,Two,Wire,Transmitter,Model SR2300,Wilkerson Instrument 5 + 5 Year Warranty

Description

The SR2300 is a low-cost, reliable, RTD input two-wire transmitter for field or panel mounting in various industrial housings and enclosures.  It provides a DC output current (4/20 mA) proportional to an RTD input.

Filtering and conditioning to reduce susceptibility to transients and noisy operations provide accurate, trouble-free operation.  Ranging is accomplished via a plug-in card which characterizes the input for the desired RTD type and sets the temperature range.  Linearization is provided for platinum RTDs.

The SR2300 utilizes a single constant current source to excite the RTD.  An accurate and stable leadwire compensation circuit uses the third lead of a 3-wire RTD to compensate for the RTD lead resistance.  The output ZERO and SPAN controls are accessible through 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.

Test points located on the SR2300 front panel allow monitoring of loop current value, using a milliammeter, without breaking the loop current.

Typical Application

Remote temperature data acquisition.

Mounting

The SR2300 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).

Specifications

RTD INPUT
3-Wire or 2-Wire,
10 ohms to 1000 ohms
Pt, Ni, Cu

INPUT RANGE
select any range from -100°C to 850°C
  (min span 20°F/10°C)

EXCITATION CURRENT
2.4 mA (10 ohms to 500 ohms)
0.24 mA (>500 ohms)

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

LINEARITY
(Pt RTD, output vs. temp)
  ± 0.03% of span
(fullscale temp < or = 400°C)
  ± 0.075% of span
(fullscale temp > 400°C)
(others, output vs. resistance)
  ± 0.01% of span

POWER
10-36 VDC, polarity protected

SUPPLY VOLTAGE EFFECT
0.02% of span max, 10 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
Current limited = 35 mA

TEMPERATURE STABILITY
± 0.02% of span per°C

 

 

* 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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