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IMT120-12

www.ueonline.com

 

Dimension A

Model 

inches  

mm 

npt

120 

9.12 

231,4 

immersion stem

121 

8.97 

227,4 

immersion stem

1bs-8bs 

8.47 

214,8 

bulb & capillary

Internal Set Point Adjustment, Types C120, F120

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

 

Dimension A

Model 

inches  

mm 

npt

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

13272, 13322 

10.0 

254,0 

immersion stem (freeze protection)

13273, 13321 

9.31 

236,6 

bulb & capillary (heat tracing)

Type 820E single switch 

Dimension A

Model 

inches  

mm

2bs  2.44 62,0
3bs  2.13 54.0
4bs  6.75 171,5
5bs 5  127,0
6bs 4.5 114,3
7bs 3  76,2
8bs  3.25 82,6

 

3-1/2 [88.9mm]

3-3/16 [81.0mm]

7" [177.8mm]

6-3/8 [161.9mm]

1-3/16

[30.2mm]

 9" [228.6mm]

14-11/16 

[373.1mm]

 4-11/16 [119.3mm]

1-11/16 

[43.2mm]

2-1/4 

[57.5mm]

1-17/32 

[38.9mm]

3/8

[9.5mm]

"A"

7/8

[22.2mm]

BULB

SET POINT 

ADJUSTMENT 

KNOB

SET POINT

INDICATING

POINTER

(RED)

CLEARANCE 

FOR 1/4 SCREW 

4 MT'G HOLES

TEMPERATURE

INDICATING

POINTER 

(BLACK)

3/4 NPT E/C

BOTH SIDES

BLU

BLK 

RED

VL

T

ORN

YEL

SWT

 #1

SWT

 #2

N.C.

COM.

N.O.

N.C.

COM.

N.O.

5/64 (2mm)

SOCKET

COVER-LOCK

SCREW

GROUND

SCREW

3/4 NPT E/C

PLUGGED

ADJUSTMENT “D”

Type 822E dual switch 

Type E121, E122,  
F120
Models 2BS-8BS
REMOTE MOUNT 

TEMPERATURE 

ASSEMBLy

Type B121, B122, C120
Models 120-121
DIRECT MOUNT

TEMPERATURE ASSEMBLy

Dimensions

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

Temperature Sensors

dimension b

Model

inches

mm

2bs/bsa

2.63

66,7

3bs

2.13

54,1

4bs

6.75

171,5

5bs

5.00

127,0

6bs

4.50

114,3

7bs

3.00

76,2

8bs

3.25

82,6

13273

9.51

241,5

13321

9.51

241,5

*use diMension “b” 
for separable well 
installations.

Remote Bulb

**except model 13273, 13321 bulb 
od is Ø1/4 (6.35mm)

Ø3/8 [9.5mm]

B*

**

Ø5/32 [REF]

3/16 
(REF)

Summary of Contents for B121

Page 1: ...signal Control set point s may be varied by turning the adjustment hex C120 F120 or the external knob s and pointer s B121 B122 E121 E122 820E 822E according to the procedures outlined See Part II Adjustments Please refer to the product technical brocures for product specifications Product technical brochures may be found at www ueonline com UE declarations and third party issued certifications ar...

Page 2: ... wrench on the temperature housing hex when mounting the device do not tighten by turning the enclosure as this will damage sensor and weaken solder and welded joints vertical mounting temperature probe facing down is recommended however device can be mounted in any orientation with adherence to previous warnings and exceptions below Remote mount types E121 E122 F120 temperature devices may be mou...

Page 3: ...r the switch to click Loosen adjustment A and move the Adjustment Pointer until it agrees with the Indicating Pointer see Figure 5 When the switch clicks re tighten the screw Type 822E NOTE Type 822E has a single knob and pointer for both switches Both switches are standardly factory set together within 5 of the dial range Turning the knob positions both switches simultaneously maintaining a const...

Page 4: ...g screws Re position the housing index against the calibration on the instrument case or skeleton casting at a rate of 1 divi sion line per capillary length listed in Figure 6 Move to the left if capillary is to be added to the process or to the right if capillary is to be removed from process Added to or taken away from the process Model Number Range Cap Length Division 1 180 to 120 F 2 ft 2 125 ...

Page 5: ... 1mm 4 11 16 119 3mm 1 11 16 43 2mm 2 1 4 57 5mm 1 17 32 38 9mm 3 8 9 5mm A 7 8 22 2mm BULB SET POINT ADJUSTMENT KNOB SET POINT INDICATING POINTER RED CLEARANCE FOR 1 4 SCREW 4 MT G HOLES TEMPERATURE INDICATING POINTER BLACK 3 4 NPT E C BOTH SIDES B LU B LK R E D V LT O R N Y E L S W T 1 S W T 2 N C C O M N O N C C O M N O 5 64 2mm SOCKET COVER LOCK SCREW GROUND SCREW 3 4 NPT E C PLUGGED ADJUSTMEN...

Page 6: ...uld endanger property or personnel For all applications a factory set unit should be tested before use Electrical ratings stated in literature and on nameplate must not be exceeded Overload on a switch can cause damage even on the first cycle Wire unit according to local and national electrical codes using wire size recommended in installation sheet Do not mount unit in ambient temp exceeding publ...

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