Technical data

6 / 44  BKI 03 ATEX 027X  spa3804a0600p_06
2. TECHNICAL DATA
2.1 GENERA L DATA
Transducer/enclosure materials
Polypropylene (PP),PVDF, PTFE/PP
Process temperature
PP, PVDF and PTFE transducers -30°C…+90°
Ambient temperature -30 °C … +80 °C
Pressure
(1)
(Absolute)
0.05 … 0.3 MPa (0.5 … 3 bar) SS316Ti
for sensors with stainless steel 0.09 ... 0.11 MPa (0.9 ... 1.1 bar)
Seals
PP transducer: EPDM; All other transducer versions: FPM
Ingress protection IP 68
Power supply 12
(3)
… 36 V DC with HART communication
48 mW … 720 mW, Galvanic isolation; protection against surge
transients
Accuracy
(2)
 (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, (3.9 … 20.5 mA), R
tmax
= (U
t
– 11.4 V) / 0.02 A, Galvanic isolation; protection against surge transients
SPDT relay, 30 V / 1 A DC; 48 V / 0.5 A AC
Outputs
Serial communication: HART interface (terminal resistor 250 Ohm)
Electrical connection
6 x 0.5 mm
2
shielded cable 6mm x 5m (available max. length 30m)
Electrical protection
Class III SELV
(1) For pressures below 1 bar representative of Nivelco should be consulted.
(2) Under optimal circumstances of reflection and stabilised transducer temperature.
(3) Only partial operation is provided. Realible operation without any restrictions is guaranteed at >13.4V terminal voltage.
2.2 ADDITIO NAL DATA FOR EX CERTIFIED DEVICES
Ex marking
II1G EEx ia IIB T6 IP68
Intrinsically safety data
Ci ≤ 15 nF, Li ≤ 200
 H, Ui ≤ 30 V, Ii ≤ 140 mA, Pi ≤ 1 W Ex-device should be powered by EEx ia power supply
Ex power supply, loading
Uo < 30 V, Io < 140 mA, Po < 1 W, Voltage range 12 V … 30 V, R
t max
= (U
t
– 12 V) / 0.02 A
Medium temperature For PP transducer –20 °C ... +70 °C, for PVDF transducer –20 °C ... +80 °C, for PTFE transducer –30 °C ... +90 °C
Ambient temperature
-20 °C … +70 °C