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HITROL CO., LTD.
HEAD OFFICE.FACTORY.R&D INSTITUTE
HITROL CO., LTD 141, Palhakgol-gil, Jori-eup
Paju-si, Gyeonggi-do, Korea
TEL. : (+82)-31-950-9700
FAX. : (+82)-31-943-5600
www.hitrol.com
INSTRUCTION MANUAL
DISPLACER & FLOAT TYPE LEVEL SWITCH
Doc. no. : HM90&95-Ex(IECEx)_IM_Eng_Rev.0
Issue date : 2019. 11
HITROL CO., LTD.
HM-90&95-Ex Series
HM-90&95-Ex Series
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Summary of Contents for HITROL HM-90-Ex Series
- Page 1 HM-90&95-Ex Series HITROL CO., LTD. HEAD OFFICE.FACTORY.R&D INSTITUTE HITROL CO., LTD 141, Palhakgol-gil, Jori-eup Paju-si, Gyeonggi-do, Korea TEL. : (+82)-31-950-9700 FAX. : (+82)-31-943-5600 www.hitrol.com INSTRUCTION MANUAL DISPLACER & FLOAT TYPE LEVEL SWITCH HM-90&95-Ex Series Doc. no. : HM90&95-Ex(IECEx)_IM_Eng_Rev.0 Issue date : 2019. 11...
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Page 2: Table Of Contents
Y ou should be careful where CAUTION is marked to carry Transportation and Cautions for Assembly · · · 15 out the work. Y ou should be aware of where NOTICE is marked to carry out the work. HITROL CO., LTD. -
Page 3: Overview
The magnet which is connected with the switch responds to trigger the switch when the core rises. Cover Base ENCLOSING TUBE Spring Holder CORE Extension Spring Chain(wire) Displacer HITROL CO., LTD. -
Page 4: Switch Action
The core rises within the enclosing tube because of buoyancy when the level of measure object rises and the displacer is submerged. The magnet which is connected with the switch responds to trigger the switch when the core rises. SNAP SWITCH CORE ENCLOSING TUBE MAGNET HITROL CO., LTD. - Page 5 Micro Switch Core Magnet Enclosing Tube When the level of the object to be measured is lowered, the core rises and the switch block magnet responds to the core so as to trigger the switch. HITROL CO., LTD.
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Page 6: Specification
(Ex d IIC (Ex d IIC T6/T4 (Ex d IIC T3/T2/T1 Gb) T3/T2/T1 Gb) Float 316L Material Cage Opt. C.S, 304, 316L, Others Housing; Cable Entry AL.; PF 3/4”(F), Other Installation Top and Bottom, Side to side HITROL CO., LTD. -
Page 7: Components
HM-90&95-Ex Series Components HM-90-Ex Series Aluminum Housing (Ex-Proof) Cover Cooling Fin Base Wetted Parts Flange Flange Flange Spring Holder Spring Holder Spring Holder Extension Spring Extension Extension Spring Spring Guide Pipe Chain Wire Wire Chamber Displacer Displacer Process Conn. Flange Displacer <Standard>... - Page 8 Aluminum Housing (Ex-Proof) Cover Cooling Fin Base Wetted Parts Flange Flange Flange Socket Cage Cage Float Float Float <Standard> Process Conn. Flange Socket <Side to Bottom> <Side to Side> Drain Parts Plug Ball Valve Gate Valve Globe Valve HITROL CO., LTD.
- Page 9 HM-90&95-Ex Series HM-95V-Ex Series Aluminum Housing (Ex-Proof) Cover Cooling Fin Base Wetted Parts Vent Valve Double Vent Socket Elbow Valve Socket Cage Float Plug Double Drain Drain Valve Valve HITROL CO., LTD.
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Page 10: Dimensions And Detailed Technical Specifications
AC 250V, 15A ~120℃ DC 125V, 0.5A AC 250V, 15A ~190℃ DC 125V, 0.5A AC 250V, 5A ~285℃ DC 125V, 0.5A AC 250V, 1A ~435℃ DC 125V, 0.4A Specifications of Temperature and Contact Form (SPDT, DPDT) are optional. HITROL CO., LTD. -
Page 11: Detail Dimensions
HM-90&95-Ex Series Detail Dimensions HM-90-Ex Series Contact composition Guide Pipe Version Chamber Version Some tolerances may occur with actual products. The unit of length is expressed in mm. HITROL CO., LTD. - Page 12 HM-90&95-Ex Series HM-95-Ex Series HM-95V-Ex Series Some tolerances may occur with actual products. The unit of length is expressed in mm. HITROL CO., LTD.
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Page 13: Wiring
Also, it is recommended to install a bracket to support the product if necessary. Prevent the heat of content from being transferred to the instrument when installing the product. Isolation Isolation Valve Vessel Valve Vessel 300~600 300~600 HM-95-Ex HM-95V-Ex HITROL CO., LTD. -
Page 14: Maintenance
(e.g., water) and then reconfigure it. For maintenance, check for the presence of the object to be measured in the tank first. Learn how to adjust the switch block before adjusting it, and contact the headquarters or dealership for any replacement required. HITROL CO., LTD. -
Page 15: Failure Check
■ Recheck if the measuring point of fabricated product and level of measure object are leveled. ■ When moving up or down the displacer, check if the extension spring is correct displaced. (HM-90-Ex Series) ■ Recheck if the float is positioned on top of the object to be measured. -
Page 16: Cautions For Inserted External Wire
No part affects the environment so no special attention is required (e.g., mercury switch). ■ The label is attached on the housing to state the model, serial number, working Marking temperature, working pressure, and output. The serial number is a unique manufacturing number. Ex-Proof Version HITROL CO., LTD. -
Page 17: Product Notation
The composition of the product is as follows. HM-9 * * * - Ex- * (Only HM-90-Ex) 1F (1-POINT) 2F (2-POINT) 3F (3-POINT) 4F (4-POINT) “H” High Temperature “V” (Only HM-95V_Side Type)) “0” Displacer Type Level Switch “5” Ball Float Type Level Switch HITROL CO., LTD. -
Page 18: User Training
You can request A/S from our website or by contacting our headquarters. Headquarters, Factory, and Research Center (Contacts) ■ Address: HITROL CO., LTD. 141, Palhakgol-gil, Jori-eup, Paju-si, Gyeonggi-do, Republic of Korea (Palhakgol-gil 98) TEL.: (+82)-31-950-9700 (Headquarters and A/S) FAX: (+82)-31-950-9796~9799 (Headquarters and A/S)
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