Technical data

BKI 09 ATEX 0003X  htk4014a0600p_01.doc  7 / 80
3. TECHNICAL DATA
GENERAL DATA
Measured values
Between the reference point of the unit and reflection plane (material surface), distance, level, and volume
Input data
Measuring range Depends on probe type and the properties of the measured medium (see technical data: Probes table)
Probe types and technical data
Coaxial, twin cable, mono cable, twin rod and mono rod probes (see technical data – Probes table)
Housing
Aluminium cast with epoxy coating
Medium temperature
–30 °C ... +200 °C (Ex), lower or higher temperatures for non-Ex version on special request
Flange temperature: –30 °C ... +90 °C, High temperature H or P types: +200 °C
Medium pressure
- 0.1 … 1.6 MPa (- 1… 16 bar) max. allowed pressure at 20°C for 1.4571 (stainless steel) flange 4 Mpa (40 bar)
Ambient temperature
–30 °C …+60 °C, with display: –20 °C … +60 °C
Sealing
FPM (Viton

), optional for high temp version Perfluoroelastomer (Kalrez

6375), EPDM
Ingress protection
IP 65 (NEMA 4 – 4X)
Power supply
18 … 35 V DC , nominal 24 V DC, Ex version 18 … 28V, protection for surge transients
Analogue: 4 … 20 mA, (3.9 … 20.5 mA) passive output, error 22 mA
BUS: serial line, HART

interface, terminal resistor max. 750 ohm
Output signals
Display: SAP-300 LCD matrix
Liquids: 5mm. For probe length L ≥10m 0.05% of the range
Accuracy
Solids: 20mm. For probe length L ≥ 10m 0.2% of the range
Under ideal reflection and stabilised temperature conditions.
Output data
Resolution
3A
Electrical connection
2 x M20x1.5 metal cable glands Cable diameter: 7 … 13 mm (Ex), or M20x1.5 plastic cable glands, Cable diameter: 6 … 12 mm
wire cross-section: 0.5 … 1.5 mm
2
(shielded cable is advised) + 2 x NPT ½” for cable gland
Electrical protection
Class III.
Mass (housing)
1.5 kg
ADDITIONAL DATA FOR THE ’EX’ APPROVED MODELS
Ex marking
II 1 G EEx ia IIC T6 … T3; II 1 G EEx ia IIB T6 … T3; II 1 D iaD A20/21 IP 65 T100°C
Intrinsically safe data
Ci ≤ 10 nF, Li ≤ 10
 H, Ui ≤ 30 V, Ii ≤ 150 mA, Pi ≤ 1 W For Ex transmitter only EEx ia power supply should be used
Ex power supply
Uo < 30 V, Io < 150 mA, Po < 1 W, Supply range 18 V … 30 V,
Medium temperature
–30 °C ... +200 °C (see Technical data – Medium Temperature table)
Medium pressure
–0.1 … 4 MPa (-1 … 40 bar) (see Technical data – Medium Pressure diagram)
Ambient temperature
–30 °C …+60 °C, with display: –20 °C … +60 °C