OIL TEMPERATURE INDICATORS - OTI
For the protection of transformers



Thermometer Ø100mm with rigid vertical stem and double electric contact

termit16.gif (37482 bytes)

Case
Injected aluminum case with threaded ring
Hermetically sealed, protection IP68

Bulb sensor
With thermal fluid expansion
Bulb arrangement in rigid vertical stem
1/2"BSP swivel connection

Window
Instrument glass window with adjustable key for temperatures setting and maximum reset

Special dial
White coated aluminum disc with black scale in arc of 270°.  Temperature range 0...100 / 0...150 ºC
With mounted double electric contact
Principal pointer in black color
First contact pointer in green color
Second contact pointer in yellow color
Maximum pointer in red color

Electric double contact
With silver contact pins NA-NA
Electric capacity 380 VAC / 10 VA
Insulation breaking test 1500 VAC / 1 min

Accuracy
ANSI grade B = ± 2%

Finish
Grey munsell N 6,5 color NBR 12455


Bimetallic thermometer Ø114mm (4.1/2") with rigid horizontal stem

termit17.gif (54251 bytes)

Case
Injected aluminum case with threaded ring
Hermetically sealed, protection IP68
Optional stainless steel case bayonet type IP 65

Bulb sensor
With short reaction bimetal
Bulb arrangement in a rigid horizontal stem
1/2"BSP connection
Optional thermowell

Window
Instrument glass window
with maximum indication pointer in red color
Pointer reset through magnet help

Special dial
White coated aluminum disc with black scale
270° temperature range 0 - 120 ºC
With mounted double electric contact
Principal pointer in black color
Normal operation zone indication in green
Alarm zone indication in yellow
Warning zone indication in red

Accuracy
ANSI grade B = ± 2%

Finish
Grey munsell N 6,5 color NBR 12455


Thermometer Ø150mm with rigid vertical stem and double electric contact

wpe19.jpg (10008 bytes)

Case
Injected aluminum case with threaded ring
Hermetically sealed, protection IP68 

Bulb sensor
With thermal fluid expansion
Bulb arrangement in rigid vertical stem
3/4" BSP swivel connection

Window
Instrument glass window with adjustable key
for temperatures setting and maximum reset

Special dial
White coated aluminum disc with black scale in arc
270° temperature range 0 - 150 ºC
With mounted double electric contact
Principal pointer in black color
First contact pointer in green color
Second contact pointer in yellow color
Maximum pointer in red color

Electric double contact
With silver contact pins NA-NA
Electric capacity 380 VAC / 10 VA
Insulation breaking test 1500 VAC / 1 min

Accuracy
ANSI grade B = ± 2%

Finish
Grey munsell N 6,5 color NBR 12455


Thermometer Ø150mm with capillary extension and double electric contact

wpe1A.jpg (10932 bytes)

Case
Injected aluminum case with threaded ring
Hermetically sealed, protection IP68-NBR 6146

Bulb sensor
With thermal fluid expansion
Bulb arrangement with capillary extension
3/4"BSP swivel connection
Carbon steel capillary tube protected with polyethylene

Window
Instrument glass window with adjustable key
for temperatures setting and maximum reset

Special dial
Black coated aluminum disc with white scale in arc of
140°.  Temperature range 0 - 150 ºC
With mounted double electric contact
Principal pointer in white color
First contact pointer in green color
Second contact pointer in yellow color
Maximum pointer in red color

Electric double contact
With silver contact pins NA-NA
Electric capacity 380 VAC / 10 VA
Insulation breaking test 1500 VAC / 1 min

Accuracy
ANSI grade B = ± 2%

Finish
Grey munsell N 6,5 color NBR 12455


Thermometer Ø150mm with capillary extension oil temperature indicator - OTI

cvbito.gif (42338 bytes)

Case
Injected aluminum case with threaded ring
Hermetically sealed, protection IP68-NBR 6146

Bulb sensor
With thermal fluid expansion
Bulb arrangement with capillary extension
3/4"BSP swivel connection
Stainless steel or carbon steel capillary tube

Window
Instrument glass window with adjustable key
for temperature indications and maximum reset

Special dial
Black coated aluminum disc with white scale in arc of
140°. Temperature range 0...150 ºC
Principal pointer in white color
First micro switch alarm pointer in green color
Second micro switch alarm pointer in yellow color
Third micro switch alarm pointer in blue color

Micro switches
Electric capacity: 5 A / 125 VAC
3 A / 250 VAC resistive load
Ohm resistance: 0 - 200 miliohms
Insulation breaking test 1500 VAC / 1 min
Temperatures setting by easy manipulation
with screw-driver. Separated electrical circuits

Accuracy
ANSI grade B = ± 2%

Finish
Grey munsell N 6,5 color NBR 12455


Thermometer TR-215 with capillary extension oil temperature indicator - OTI

tr.gif (29966 bytes)

Case
Injected aluminum case and cover
Assembled with anti-vibration spring system
Degree of protection IP54

Bulb sensor
With thermal fluid expansion
Compensation for ambient temperature changes
Bulb arrangement with capillary extension
3/4"BSP swivel connection
Stainless steel capillary tube

Window
Instrument glass window with adjustable key
for maximum pointer reset

Special dial

Black coated aluminum disc with white scale in arc of
140°. Temperature range 0...150 ºC
Principal pointer in white color
Maximum pointer in red

Micro switch setting temperatures

2 - 4 switches with separated dial and circuits
Manually temperatures setting
Making capacity: 0,5A/125VCC - 6A/220 VAC
Breaking capacity: 0,5A/125VCC - 0,5A/220VCA
Ohm resistance: 0 - 200 miliohms
Insulation test 2000 VAC / 1 min

Accuracy
ANSI grade B = ± 2 %

Finish
Grey munsell N 6,5 color NBR 12455


click here to contact us