TCS_Compact_Temperature_switches_Riels0 pages
TCS
COMPACT
TEMPERATURE
SWITCHES
TEMPERATURE
Compact temperature switches
Weatherproof Execution
Electric Construction
Electric construction: weatherproof
Degree of protection: IP65 (NEMA 4).
Electrical safety class: class I (EN61298-2:1997-06)
Protection mode (option): Intrinsically Safety
GAS Ex-ia IICT6 andT4 - Dust Ex-iaD A20 IP65T85 andTI35.
Enclosure
Case and cover: copper free aluminium alloy threaded coupling with
tamper proof device. Epoxy exterior painting, grey colour
Cable entry: 1/2-14 NPT-F (std) (see point 4).
Terminal block: suitable for wires section 1,5 mm2 (minimum 0,5 mm2).
Insulating material toVDE standard.
Earthing screws: one inside, one outside.
Max section of earthing wires: 4 mm2.
Electric contacts
(see point 1.4) One micro, SPDT or DPDT with fixed dead band.
Sensor
vapor tension system to SAMA IIC or HA, consisting of
- Bulb AISI 316.
- Connection AISI 304 compression fitting with adjustable insertion length.
- Capillary AISI 3 I 6 with stainless steel flexible armor
Ranges
-30 to + 250°C, (see point 2).
Set point
Set point adjustable throughout the range.
Repeatability: better than I % of span.
Scale: the instrument is fitted as std. with an approximate scale of the set
point indication.
Mounting
- Direct, sensortype B.
- Remote at surface (std.) or 2" pipe (with optional bracket), sensors type C, Q, R.
Ambient temperature (operative limit1):
Ambient temperature: -40/+85°C
Equipment
Certified according to
Directive B.T. 73/23 CEE ed 93/68 CEE
Directive ATEX 94/9 EC Group II Cat. I GD Annex III and IV.
) In accordance with ISA S5 I.
iVrPX GAS Bc-ia DUST Ex-iaD
Gr, II Cat, 1 GD
GOST-E
IP65
Dimensions (mm) and weights (kg)
40
60
A*
0 is
ffl
46
i | |
20 | |
•t |
/ J/2-14 NPT
■725
REMOTE (SENSORTYPE "C/Q/R") DIRECT (SENSORTYPE "B")
= bulb connection
E = cable entry
Weight: I kg
Riels Instruments Sri . W +39 049 8961771 - A +39 049 7l7368 .www.riels.it. info@riels.it
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