Product and Ordering Information

Table A (cont.)

Figure 14 Figure 15 Figure 16
Direct Immersion/Replacement RTD Assemblies 1 | Thermo Sensors Direct Immersion/Replacement RTD Assemblies 2 | Thermo Sensors Direct Immersion/Replacement RTD Assemblies 3 | Thermo Sensors
Figure 17 Figure 18
Direct Immersion/Replacement RTD Assemblies 4 | Thermo Sensors Direct Immersion/Replacement RTD Assemblies 5 | Thermo Sensors
Basic Order Code
Fig. 14 Fig. 15 Fig. 16 Fig. 17 Fig. 18

M

w/o mating female

MF

w/ mating female

B SB BS(A) SBS

How to Order

Pgs. 6-8    Page 9         Page 10
Basic
Order Code

SB

Table A

Sensor
Diameter

4

Table B

Element

A

Table C

Tolerance

1

Table D

Temp. Range

A

Table E

Sheath
Material

1

Table F

Lead
Conn.

B

Table G

“L”
Length

6

Table H

Options

L

Table I

RTD Assembly Specifications

Table B (sensor diameter)

Sensor Diameter Order Code
1/8″ (.125″) 2
3/16″ (.188″) 3
1/4″ (.250″)STD 4
5/16″ (.312″) 5
3/8″ (.375″) 6

 

Table C (element)

Resistance

0°C

Material Temperature Coefficient/Alpha (a) Order Code
Single Element Dual Element
100Ω Platinum .00385Ω/Ω°C A 2A
100Ω Platinum .003916Ω/Ω°C B 2B
100Ω Platinum .003902Ω/Ω°C C 2C

98.129Ω

(100Ωnom-)

Platinum

Sama Standard

RC21-4-1966

.00392Ω/Ω°C D 2D
120Ω Nickel .00672Ω/Ω°C E 2E
9.035Ω Copper .00427Ω/Ω°C F 2F

 

Table D (tolerance)

Accuracy at 0°C Order Code
± .12% Class B 1
± .06% Class A 2
± .03% Lab Grade 3
± .02% Lab Grade 4
± .01% Lab Grade 5

 

Table E (temperature range)

Temperature Range Order Code

-50 to +250 Deg. C

-58 to +482 Deg. F

A

-50 to +400 Deg. C

-58 to +752 Deg. F

B

-50 to +660 Deg. C

-58 to +1220 Deg. F

C

 

Table F (sheath material)

Sheath Material Order Code
316 SS 1
Alloy 600 2
Alloy C-276 3

 

Table G (lead connection)

2-Wire Order Code A
Direct Immersion/Replacement RTD Assemblies 6 | Thermo Sensors
3-Wire Order Code B
Direct Immersion/Replacement RTD Assemblies 7 | Thermo Sensors
4-Wire Order Code C
Direct Immersion/Replacement RTD Assemblies 8 | Thermo Sensors

 

Table H (length)

Specify “L” in Inches

Length Not required when Thermowell is used.

 

Optional Connections

(For extended lead types)

Table I (options)

  Description Order Code
Direct Immersion/Replacement RTD Assemblies 9 | Thermo Sensors Spade Lugs for #8 Screw L
Direct Immersion/Replacement RTD Assemblies 10 | Thermo Sensors Male Plug M

The connectors shown are for 3-wire single element assemblies.

Two – 2 Pin connectors mounted in tandem will be furnished for both styles of 4-wire single element assemblies.

Dual element assemblies will have the same connector arrangements except Doubled.

Direct Immersion/Replacement RTD Assemblies 11 | Thermo Sensors
Female Jack F
Direct Immersion/Replacement RTD Assemblies 12 | Thermo Sensors Watertight connector 1/2″ NPT W1
3/4″ NPT W3
Direct Immersion/Replacement RTD Assemblies 13 | Thermo Sensors Watertight connector with lugs for #8 screws 1/2″ NPT WL1
3/4″ NPT WL3

 

Optional Mounting Fittings
Description NPT Order Code
Direct Immersion/Replacement RTD Assemblies 14 | Thermo Sensors 1/8″ 1AS
1/4″ 2AS
3/8″ 3AS
1/2″ 4AS
3/4″ 6AS

For FEP readjustable insert, replace “A” with “R”

Example: 4RS

   

 

Optional Spring-Loaded Devices
Description Order Code

Direct Immersion/Replacement RTD Assemblies 15 | Thermo Sensors

Adjustable Spring

FP 275

Direct Immersion/Replacement RTD Assemblies 16 | Thermo Sensors

1/2″ NPT Double threaded adjustable hex bushing

FP 240

Direct Immersion/Replacement RTD Assemblies 17 | Thermo Sensors

1/2″ NPT single threaded adjustable hex bushing

SSL
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