3-A Approved Sanitary RTD Sensors with Polypropylene or Stainless Steel Connection Heads |
| PRS-NB9W Sanitary RTD Sensors |
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3-A Approved Design, Along with ASME-BPE-2007 Flange Geometry, Insures Trouble-Free Cleanability and Interchangeability
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Can Be Used in Sanitary, Hygienic and Clean-In-Place Food, Dairy, Beverage and BioPharmaceutical Processes
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Wetted Surfaces are 316L Stainless Steel, Surface Finish = 32 Microinch or Better
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Standard Duty ¼" (0.250") Diameter or
Heavy Duty Stepped 3⁄8" to 3⁄16" Diameter Probes Available
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4-Wire, Pt100, Class A Platinum RTD Sensor (100.00 ±0.06 Ω at 0°C) Standard
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Process Measurement Temperature Range: -50 to 200°C (-58 to 392°F)
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Compatible with 3-Wire and 2-Wire RTD Instruments & Transmitters
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View related products - Sanitary
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Sanitary Sensor Specifications Include:
316L stainless steel process wetted surfaces with surface finishes
of 32 microinches or better.
Probe lengths of 3, 4, 5 or 6 inches available from stock, other lengths available
as special orders.
Sensor Output is a 4-wire, 100 ohm, Class A, Platinum RTD meeting
the requirements of IEC 60751.
These sensors can also be used with 2-wire or 3-wire systems see information below.
Insulation resistance: 100 megohms minimum at 100 VDC.
Thermal response time of less than 2.5 seconds in water flowing
at 3 ft/sec (63% response).
Optional stainless steel connection heads available.
The 3-A Approved OMEGA® PRS-S-NB9W and PRS-H-NB9W Series
RTD Sensors are designed for use in Sanitary or Hygienic
Clean-in-Place applications in the Food, Dairy, Beverage and BioPharmaceutical
industries. These sensors are manufactured with 316L stainless steel
housings that meet the dimensional and finish requirements of 3-A Standard 74-05 and ASME
BPE-2007, and are welded and processed to provide a clean,
smooth, 32 microinch or better surface finish in the wetted areas for
Clean-in-Place processes.
The probe stems are manufactured in two configurations; with a standard ¼" diameter probe for standard duty service,
and a stepped 3/8" to 3/16" diameter probe design for good response times in heavy duty applications. A white
polypropylene connection head provides a convenient 3/4" NPT
threaded connection point for process wiring.
Food process hygienic temperature sensors can be used to aid food safety inspection compliance and verification of time temperature control. Combined with a chart recorder model CTXL you can temperature monitor a CCP ( Critical Control Point) or sanitation time and move toward a HACCP (Hazard Analysis Critical Control Point) compliance plan.
In addition to the standard 1½-16AMP process connection, these can be provided
in the following sizes and styles:
| Process Connection | Model Number Code |
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| 3/4"-16AMP | -B1- |
| 1" and 1½"-16AMP | -D1- |
| 2"-16AMP | -E1- |
| 2½"-16AMP | -F1- |
| 3"-16AMP | -G1- |
| 4"-16AMP | -H1- |
If you need a process connection that is not listed above, please contact our sales department for availability.
These sensors are supplied standard as 4-wire assemblies with two
red wires and two white wires. When used in 3-wire applications
simply connect to three of the wires (typically two red and one white).
When used in 2-wire applications, connect to one of the red wires and one of the white wires.
These sensors are also
available with Thermistor
and Thermocouple sensors to accommodate any process input requirement.
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† All dollar amounts on this site are shown in US currency.
Note: For a 3-A Approved stainless steel connection head, change "NB9W" to "NB15" in model number and add $37 to the price. For a medium sized stainless steel connection head, change "NB9W" to "NB13" in model number and add $55 to the price. For a white polypropylene flip top connection head, change "NB9W" to "NB16W" in model number and add $7 to the price.
For longer probe lengths on Standard Duty construction, change length in model number to required length in inches and add $1 per inch to the price (up to 24 inches).For Heavy Duty construction, change length in the model number to the required length in inches and add $2.50 per inch to the price (up to 24 inches).For other than the standard 1½-16AMP process connection, change "-D1-" in the model number to the code for the alternate process connection option listed above the "To Order" table and add $20 to the priceFor lengths over 24 inches,or for other cap sizes and styles, please contact Sales.
Ordering Example: (1) PRS-3-100-A-S-0400-D1-NB9W Sanitary RTD with 1½" 16AMP Mounting Connection, 4" Long, ¼" Diamater Probe, with Polypropelene Connection Head , $105.00
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Part Number Builder |
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Option Descriptions
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(1)
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Nominal Element Resistance
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Select
100 for 100 ohm @ 0 C (standard)
1000 for 1 kohm @ 0 C
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(2)
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Accuracy Class
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Select
A for Class A Accuracy
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(3)
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Probe Diameter
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Select
S for Standard Duty 1/4 inch
H for Heavy Duty 3/8 to 3/16 inch stepped probe
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(4)
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Probe Length
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Select
0300 for 3 inch length
0400 for 4 inch length
0500 for 5 inch length
0600 for 6 inch length
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(5)
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Sanitary Flange (Cap) Size
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Select
D1 for 1-1/2 inch Tri-Grip Flange (standard)
B1 for 3/4 inch 16AMP Tri-Grip Flange
E1 for 2 inch 16AMP Tri-Grip Flange
F1 for 2-1/2 inch 16AMP Tri-Grip Flange
G1 for 3 inch 16AMP Tri-Grip Flange
H1 for 4 inch 16AMP Tri-Grip Flange
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(6)
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Protection Head
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Select
NB9W for White Polypropylene Head with Screw Cap (Standard)
NB15 for Large Stainless Steel Head
NB13 for Medium Stainless Steel Head (not 3A approved)
NB16W for White Polypropylene Head with Flip Top (not 3A approved)
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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