Honeywell STT250 user manual

Summary of the content on the page No. 1

Honeywell
Housings for STT 3000
Series STT250
SMART TEMPERATURE TRANSMITTER
EN0I-6032 01/98 Housing Specifications and Dimensional Drawings
OVERVIEW
Honeywell’s STT250 range of
Temperature Transmitters can
be supplied with a wide variety
of enclosures for direct sensor
head, 2” pipe or wall mounting.
Available materials include
Aluminium, Plastic, Cast Iron
and 316 Stainless Steel.
Select the most suitable
housing for lowest installed
cost, lightweight, corrosive
environments or for safety
appro

Summary of the content on the page No. 2

Housing Specifications (in mm) Aluminium Direct Head Mount Housing Suitable for general purpose or Intrinsically Safe applications. Dimensions shown in Fig. 1. 33 Housing entry length = 41 mm 40 Material : LM24 Aluminium die casting. 2 x M3 2 x M4 Sensor entry : 1/2”NPT Cable / conduit entry : 1/2”NPT or M20x1.5. Weight : 0.3kg (0.7 lb) Paint cover : beige polyester/ epoxy hybrid. Enclosure classification : IP65 1/2" NPT Order as STT250 Table II selection A _ _. B-B section A-A section Figure

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316 Stainless Steel Direct Head Mount Housing Suitable for corrosive/ salt spray environments and for general purpose or Intrinsically Safe applications. 33 Dimensions shown in Fig. 4. 2 x M4 Housing entry length = 40 mm Material : 316SS Sensor entry : 1/2”NPT Cable/ conduit entry : 1/2”NPT or M20x1.5 Paint cover : none. Weight : 1.6kg (3.5 lb) 80 1/2" NPT Enclosure classification IP65 Order as STT250 Table II selection S _ _. Flame-Proof version available. B-B section A-A section Figure 4 Mete

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Dimensions in Aluminium Field Mount Housing 316 Stainless Steel Field Mount Housing Figures 5 and 6 A B A B Without integral meter 70 mm 120.8 mm 95.5 mm 146.3 mm 2.76 inch 4.76 inch 3.76 inch 5.76 inch With integral meter 127 mm 210.8 mm 127 mm 210.8 mm 5.00 inch 8.30 inch 5.00 inch 8.30 inch A A B B With meter Without meter 142 (5.59) OPTIONAL 316 SS WIRED ON TAG PROCESS/SENSOR PANEL ENTRY : 1/2" NPT OPTIONAL M20 OR CABLE/CONDUIT 3/4" NPT ADAPTOR ENTRY 1/2" NPT OPTIONAL M20 OR 3/4" NPT

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A A B B CLEARANCE FOR CAP CLEARANCE FOR CAP REMOVAL REMOVAL With me ter Without meter 142 (5.59) 14.9 (0.59) OPTIONAL 316 SS WIRED ON TAG OPTIONAL MOUNTING BRACKET FOR 2" PIPE PROCESS/SENSOR ENTRY : 1/2" NPT CABLE/CONDUIT OPTIONAL M20 OR ENTRY 1/2" NPT 3/4" NPT ADAPTOR OPTIONAL M20 OR 3/4" NPT ADAPTOR FIELD MOUNT HOUSING 94 (3.7) 14.9 115 (0.59) (4.53) 129.5 (5.1) Figure 6 - STT250 Pipe Mounting Dimensions 29.2 (1.15) 36.7 39.2 (1.56) (1.44) ″ ″ ″ ″G″ ″ ″ ″ DIN RAIL TOP HAT / ″ ″Ω ″ ″ΩΩ″

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TOP HAT / DIN RAIL 33 (1.3) "G" DIN RAIL Optional DIN rail clip STT250 52 (2.05) STT250 MODULE INSTALLATION WITH DIN RAIL Figure 7 - STT250DIN Rail Mounting Dimensions Distributor : Honeywell Industrial Automation and Control Helping You Control Your World Honeywell Inc. In the U.S.A.: Honeywell Industrial Automation and Control, 16404 North Black Canyon Hwy., Phoenix, AZ 85023, (602) 313-5000 In Europe: Honeywell Pace, 1 Avenue du Bourget, B-1140 Brussels, Belgium, (32-2) 728-211 Honeywell S.A