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IMT120 15 

5

Part III - Dimensions

(Dimensional drawings for all models may be found at www.ueonline.com)

Dimension A

Model

Inches

mm

Sensor

120

9.12

231,4

Immersion 

stem

121

8.97

227,4

Immersion 

stem

1BS-8BS

8.47

214,8

Bulb & 

capillary

A

2.25

(57.2 mm)

4.69

(119.1 mm)

3/4 NPT

E/C

COVER-LOCK

SCREW

4.28

(108.7 mm)

1.29

(32.9 mm)

3.63

(92.2 mm)

5.31

(134.9 mm)

3

(76.2 mm)

3/4 NPT E/C

CLEARANCE FOR 1/4 

SCREW

4 MOUNTING HOLES

Internal Set Point Adjustment, Type C120, F120

External Set Point Adjustment, Type B121, B122, E121, E122

A

3

(76.2 mm)

5.19

(131.8 mm)

2.09

(53.1 mm)

3.63

(92.2 mm)

5.13

(130.3 mm)

3

(76.2 mm)

COVER-LOCK

SCREW

3/4 NPT

E/C

Dimension A

Model

Inches

mm

Sensor

120, 121 

(B121)

10.0

254,0

Immersion 

stem

120 

(B122)

10.0

254,0

Immersion 

stem

121 

(B122)

9.84

250,0

Immersion 

stem

2BS-8BS

9.31

236,6

Bulb & 

capillary

13242, 

13322

10.0

254,0

Immersion 

stem  (Freeze  

protection)

13273, 

13321

9.31

236,6

Bulb & 

capillary 

(Heat tracing)

Model Number Range

Cap Length / Division 

[1]

1

-180 to 120°F

2 ft

2

-125 to 350°F

1 1/2 ft

3

-125 to 500°F

1 ft

4

-40 to 120°F

4 ft

5

-40 to 180°F

3 ft

6

0 to 250°F

2 1/2 ft

7

0 to 400°F

2 ft

8

50 to 650°F

2 ft

[1]

 

Added to or taken away from the process

Recommended Practices

•  A redundant device is necessary for applications 

where damage to the primary device could 

endanger life, limb or property. A high or low 

limit switch is necessary for applications where 

a dangerous runaway condition could result.

•  Monitor operation to observe warning signs of 

possible damage to device, such as drift in set 

point. Check device immediately.

•  Preventative maintenance and periodic testing 

is necessary for critical applications where damage 

could endanger property or personnel.

Summary of Contents for 120 Series

Page 1: ...ARE AS FOLLOWS 120 s Activation Plunger to adjustment screw hole gap joints 1 140 in 28 96 mm min length by 0 0039 in 0 099 mm max annular gap Plunger Guide to enclosure through threaded joints minim...

Page 2: ...ION STEM HEX SEE DIMENSIONAL DRAWINGS DO NOT TIGHTEN BY TURNING THE ENCLOSURE AS THIS WILL DAMAGE THE SENSOR AND WEAKEN WELDED JOINTS The conduit connection must be properly sealed potted for horizont...

Page 3: ...d turning the calibrating screw with another 3 16 open end wrench see figure 3 Turn clockwise to increase setting or counter clockwise to decrease setting Types B121 and E121 Remove adjustment cover A...

Page 4: ...then re tighten screw A see Figure 5 NOTE Indicating Pointer Deflection 820E 822E The indicating pointers will read slightly low when the bulb temperature is 15 F above the controller setting This de...

Page 5: ...B122 9 84 250 0 Immersion stem 2BS 8BS 9 31 236 6 Bulb capillary 13242 13322 10 0 254 0 Immersion stem Freeze protection 13273 13321 9 31 236 6 Bulb capillary Heat tracing Model Number Range Cap Lengt...

Page 6: ...ELL INSTALLATIONS ii Except model 13273 13321 bulb OD is 1 4 6 35 mm 6 3 8 161 9 mm 3 3 16 81 0 mm 3 3 16 81 0 mm 7 177 8 mm 6 3 8 161 9 mm 14 11 16 373 1 mm 9 228 6 mm 7 8 22 2 mm 1 3 16 30 2 mm 3 4...

Page 7: ...Y INSTALLED Il est imp ratif d utiliser des raccords d tanch it antid flagrants pour les fils lectriques Les types C120 F120 820E et 822E poss dent deux ouvertures de conduits lectriques de 3 4 NPT l...

Page 8: ...disassembled by anyone other than authorized Seller s representatives EXCEPT FOR THE LIMITED WARRANTY OF REPAIR AND REPLACEMENT STATED ABOVE SELLER DISCLAIMS ALL WARRANTIES WHATSOEVER WITH RESPECT TO...

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