SE/SG-300 series two-wire compact ultrasonic level transmitters
3
3.
TECHNICAL DATA
General data
Transducer materials
Polypropylene (PP)
Kynar (PVDF)
Teflon (PTFE)
Stainless Steel (DIN 1.4571, AISI SS316Ti)
Housing material
Plastic: PBT fibre-glass reinforced, flame-retardant (DuPont
)
Aluminium: Powder paint coated
Process temperature
PP, PTFE and PVDF versions: -30 °C ... +90 °C
Stainless Steel versions : -30°… +100°C (120° for max. 2 hours)
Ambient temperature
-30°C ... +60°C with SAP-200 –25 °C ... +60 °C
Pressure (Absolute)
0.5** ... 3 bar (0.05 ... 0.3 MPa) Stainless steel versions 0.9 ... 1.1 bar (0.09 ... 0.11 MPa)
Seals
PP transducer: EPDM
All other transducer versions: FPM (Viton)
Ingress protection
Sensor: IP68
Housing: IP67 (NEMA 6)
Power supply /
Consumption
11.4 ... 36 VDC 48 mW ... 720 mW galvanic isolation; protection against surge transients
Accuracy *
±
(0.2% of the measured distance plus 0.05% of the range)
Resolution
Depending on the measured distance < 2 m: 1 mm, 2...5 m: 2 mm, 5...10 m: 5 mm, > 10 m: 10 mm
Analogue: 4 … 20 mA, R
max
600 Ohm, isolated, secondary lightning protection
Loop power test connectors: 2 mm socket for ampermeter, 200 mV, 0.5%
Display: 6 digits, icons and bargraph, (on SAP-200 display module only)
Outputs
Serial communication: HART interface (close end resistor 250 Ohm)
Electrical connection
2 x Pg16 and 2 x ½” NPT for cable protection pipe
Cable diameter: 10 … 14 mm ; Wire cross section: 0.5 ... 1.5 mm
2
Electrical protection
Class I with aluminium housing, Class II with plastic housing
*
Under optimal conditions of reflection and stabilised transducer temperature.
**
At pressures under 1 bar absolute, please consult your distributor