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Type Selection of Oil Surface Thermometer

Basic Parameter

• Working Conditions: Ambient temperature (-40～+55) ℃, relative humidity ＜95%   
• 0～120℃ (zero-setting)
• Indication precision: Grade 1.5
• Switch number: 2/3 (optional) Capacity: AC250V/3A
• Switch difference: ≤3.6℃
• Product standard: JB/T6302-2005
• Protection degree: IP55 (including TH, TA)
• thermo-bulb Ф14×150
• Screw nut: M27×2

Type Selection and Functions

• BWY is named after the

 standards in JB/T6302-92 Pressure Type Thermometer for Transformer stipulated by Shenyang Transformer Research Institute.

• WTYK is named after the

 standards in JB/T9236-1999 Industrial Process Measurement and Control Instrument—Nomenclature of Model for Product.

BWY-80 (1) (2) (3) / (4) /(5)

(1) (0～3)    Switch number optional

(2)L

   :indicates the length of the capillary

   LCapillary length at default is 3m

(3) A:1 channel Pt100

     Absence indicates without Pt100.

(4) Y

At default,One channel with RS485 remote temperature. display meter

(5) TC420/TC15: temperautre convertor

Examples

• BWY-803

Indicating with 3 switches/the capillary is 3 meters long

• BWY-803A/Y

Indicating with 3 switches/the capillary is 3 meters long/1 channel Pt100 output/single channel display, with RS485 remote temperature indicator.

• BWY-803L9/A/Y

Indicating with 3 switches/the capillary is 9 meters long/1 channel Pt100 output/single channel display, with RS485 remote temperature indicator