© Siemens AG 2007 SITRANS L Level instruments
Pointek CLS500
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Technical specifications
Design Input Material•Wetted parts material -Standard rod 316L stainless steel•Probe isolation (rod) PFA, enamelProbe diameter•Standard rod version (PFA) 16 mm (0.63")•High temperature rod version (Enamel) 16 mm (0.63")•High temperature rod version (Stainless steel) 19 mm (0.75")Probe length•Standard rod version (PFA) Max. 1000 mm (39.4”) with 16 mm (0.63”) diameter probe•High temperature rod version (Enamel) Max. measuring length 1000 mm (39.4") with 16 mm (0.63”) diame-
ter probe•High temperature rod version (Stainless steel) Max. measuring length 1000 mm (39.4") with 19 mm (0.75”) diame-
ter probeProcess connection of probe•Threaded mounting NPT [(Taper), ANSI/ASME B1.20.1]R [(BSPT), EN 10226/PT (JIS-T), JIS B 0203]G [(BSPP), EN ISO 228-1/PF (JIS-P), JIS B 0202]•Flange mounting ASME, EN 1092-1Enclosure •Material Aluminium, epoxy-coated (Stain-less steel option available. Con-
tact Measuring range0 to 330 pFSpanMin. 1 pF Output Solid-state switch-Output Galvanically isolated-Protection Against reversed polarity(bipolar)-Max. switching voltage •30 V (DC) •30 V peak (AC) -Max. load current 82 mA-Voltage drop < 1 V, typical at 50 mA-Time delay (pre or post switching) 1 to 60 sCurrent loop4 to 20 mA/20 to 4 mA
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Accuracy (transmitter) Temperature stability0.15 pF (0 pF) or < 0.25% (typical < 0.1%) of actual measurement value, whichever is greater over the full temperature rangeNon-linearity and repeatability0.1% of full scale and actual mea-surement respectivelyAccuracyDeviation < 0.1% of measured value Rated operating conditions
1) Installation conditions -Location Indoor/outdoorAmbient conditions •Ambient temperature (transmitter) -40 to +85 °C (-40 to +185°F)•Installation category II•Pollution degree 4Medium conditions •Dielectric constant nacc.smpi@siemens.com .)•Cable inlet 2 x ½” NPT•Degree of protection Type 4X/NEMA4X/IP68 Power supply Max. 33 V DC (30 V DC with Intrinsically Safe operation),Min. 12 V DC @ 3.6 mA, Min. 9.5 V DC @ 22 mA ε
r Min. 1.5•Process temperature (probe) Temperature ratings are pressure dependent. See Pressure/Tem-
perature curves on page 5/56.-Standard (PFA) -50 to +200 °C (-58 to +392 °F)-High temperature stainless steel version with enamel insulation and thermal isolator -60 to +400 °C (-76 to +752°F)-High temperature stainless steel version with thermal isolator -60 to +400 °C (-76 to +752 °F)Pressure range Pressure rating of process
industrial seal is temperature dependent. See Pressure/Temperature curves on page 5/56.•Standard (PFA) -1 to 150 bar g (2175 psi g)•High temperature version (Enamel) -1 to 345 bar g (5004 psi g)•High temperature version (Stainless steel) Pressure rating of process seal is temperature dependent. See Pressure/Temperature curves on page 5/56. Features Measurement current signalling NAMUR NE 43Safety•Inputs/outputs fully galvanically isolated •Polarity-insensitive current loop •Fully potted •Integrated safety barrier •Diagnostics with fault alarm when: Primary variable (PV) out of limits, system failure in measurement circuit, deviation between A/D and D/A converter, check sum, watch dog and self-checking facility•Function
rotary switch Positions 0 to 9, A to F•SMART communication Conforming to HART Communi-cation Foundation (HCF) Siemens FI 01 · 2008