BS Stock No. 2202-530

CAPILLARY TYPE TEMPERATURE GAUGE WITH ALARM CONTACTS
AS PER SPECIFICATION( IMMERSION LENGTH-270MM )
Item Specifications: SWITCH,SPARE PART,NO MOD,NO MOD
ITEM: TEMPERATURE GAUGE WITH ALARM CONTACTS
ITEM TYPE: CAPILLARY TPE TEMPERATURE GAUGE
EQPT TYPE: TEMPERATURE GAUGE WITH ALARM CONTACTS
CLASSIFICATION: CLI GR IIA,IIB IP 65 ENCLOSURE
VOLTAGE: 230 V AC 5A RATING FOR CONTACTS -2 NO
SIZE: 4 IN DIAL
COPE: This specification covers the technical requirement for manufacturer, testing packaging and supply of Temperature gauges (capillary type) with
alarm contracts, as per specifications given below.
1 1 Specification of Temperature gauge:
1.1 System: Gas filled capillary type Temperature gauge. with case compensation as per SAMA Class, III-B
1.2 Temperature range: 20 Deg. F – 250 Deg. F
1.3 Dial Size: 4 Inch ( 100mm) white anodized with black marking
1.4 Point: Temperature indicating Pointer – Aluminum (black) High set point alarm pointer – Aluminum (blue)preferred or MFR Standard High high
Set point alarm pointer – Aluminum (red)preferred or MFR Standard
1.5 Capillary: SS304 Stainless steel capillary with SS304 Stainless steel armored protection.
1.6 Capillary Length: 1500mm
1.7 Capillary Outer diameter – 3.8 - 4mm + / - 0.5mm
1.8 Bulb material: SS-316
1.9 Bulb Outer diameter: 8mm or 0.5 mm less
1.10 Process connection: ½ Inch NPT adjustable type with compression fitting in SS304
1.11 Immersion length of bulb : 270mm +- 1 mm
1.12 Total Stem Length : Immersion length + 50 mm of adjustable gland
1.13 Capillary tube should have bottom entry to the Gauge
1.14 Mounting: Panel Mounting.
1.15 Housing: Flameproof to IIA,IIB (confirming to IS/IEC 60079, Weatherproof to IP65
1.16 Casing material: Aluminium LM6 .
1.17 Window: Toughened Shatter proof glass.
1.18 Zero /Span adjustment : Vendor to specify
1.19 Accuracy: ± 1% of Full Scale for Indication , ± 2 % FSD for switching
1.20 Enclosure type: IP 65 or better.
1.21 Ambient temperature: 10 DEG C to 70 DEG C
2. Specification of Alarm Contract
2.1 Alarm Contact type: 2 SPDT , double micro switch contact for High and High High alarm, with Temperature indicating pointer as the
common terminal. Alarm shall be actuated by making of the contact. Alarm setting is adjustable over the entire range
2.2 Contact rating: 5A AT 230v AC ,3A AT 24 V DC
2.3 Switching Accuracy:± 2% of full scale
2.4 Switch Cable termination: In Ex proof Junction box mounted at the bottom of the housing.
2.5 Cable Entry : 1/2inch NPT F in Junction Box.2 nos