Model Number

TS - TR

GENERAL FEATURES OF SERIES TRW (Weatherproof), TRI/TRS (Intrinsic Safety) AND TRE (Explosionproof)
?PHYSICAL SPECIFICATIONS Electronic housing: copper free aluminium alloy.
Paint: epoxy polyester.
Process connection: ??-18NPT-F.
Process connection material : AISI 316 or Hastelloy?C276 (see point 6 overleaf).
Diaphrag material : AISI 316 or Hastelloy?C276
(see point 5 overleaf).
Cable entry: standard ??-14 NPT-F (others see pt. 9 overleaf).
Electrical connection: internal screw terminals Ø3.7.
Filling fluid: silicone oil standard. Inert oil optional (see point 11 overleaf).
Mounting: direct.
?FUNCTIONAL SPECIFICATIONS Applications: liquid, gas and vapors.
Degree of protection: IP66.
Nominal pressure ranges: from 0/0.25 bar up to 0/400 bar
(see point 8 overleaf).
Output signal: 4.0 to 20.0 mA dc. 2 wires.
Output limits: 3.5 to 22.5 mA dc (limited to 27.5±2.5 mA dc).
External power supply required : up to 36.0 V dc.
Operating voltage (no load): 14.0 to 36.0 V dc.
Protection against: reverse polarity, over voltage (37.8V dc EEx-i excluded), short circuiting (50.0 mA EEx-i excluded).
Load limitations: linear from 0W at 14V to 1,100W at 36V [Rlmax(W)=50(VSUPPLY-14)].
Turn on time: 120 seconds.
?PERFORMANCE SPECIFICATIONS
Repeatability and Hysteresis: ± 0.2% of nominal span.
Linearity: 0.4% of nominal span.
Stability: ± 1% of nominal span over one year.
Total temperature effects (including span and zero shift): ±1.5% of nominal span per Δ=25°C (at calibration temperature).
Vibration effects: ±0.05% of nominal span per g (at 200 Hz in any axis).
Power supply effects: <0.05% of span per 14 to 36Vdc changing.
Load effects: <0.1% of span per 0 to 1,000W changing.
Radio Frequency Interference (RFI) effects : output shift <0.5% of span for 150 KHz to 1GHz frequencies (IEC 60770-1:1999).
Barometric effect: none.
?ZERO AND SPAN
Externally adjustable , independently and continuously.
Zero: ± 5% of upper nominal value.
Span: -50% / +5% of upper nominal value.
?CERTIFICATIONS
Hazardous location:
Flame proof EEx-d IIC T6.
Intrinsic safety EEx-ia IIC T6 (Tamb ?40/+40 °C).
Intrinsic safety EEx-ia IIC T5 (Tamb ?40/+60 °C).
Intrinsic safety EEx-ia IIC T4 (Tamb ?40/+60 °C).
CE Conformity:
EMC 89/336/CEE.
Interference emission per EN 50081-1.
Interference immunity per EN 50082-2.
ATEX 94/9/CE.
Flame proof execution group II class 1/2G.
Intrinsic safety execution group II class 1G.
Electrical safety class:
Class II (CEI EN 61298-2:1997-06).
Equipment level immunity:
Class 3 (CEI EN 61000-4-5:1997-06).
OPERATIVE LIMITS Normal temperature: 0 to +50°C.
Limit temperature: -40 to +60°C.
Storage temperature: -40 to +80°C.
Humidity: 0 to 100% relative humidity.