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le00100a0600p_05
BKI 11 ATEX 0012 X
3.
TECHNICAL DATA
G
ENERAL DATA
Material of sensor housing
Polypropylene (PP), PVDF
Electrode
As per order code
Housing material
Compact type:
Plastic: Glass fibre plastic PBT Metal: Powder paint coated Aluminium
Integrated type:
Same as the sensor housing
Medium temperature
(pressure dependent) *
PP sensor housing: –10 °C ... +90 °C,
PVDF sensor housing: -15 °C …. +100 °C
with DO probe: 0 °C ... +50 °C
Ambient temperature
Metal housing: -30 °C …+70 °C, Plastic housing: -25 °C … +70 °C, both with display: -20 °C … +70 °C
Pressure (absolute)*
With pH and ORP probe: 0.05 … 1 MPa (0.5 … 10 bar) @25°C
With DO probe: 0,1…0,2 MPa (1…2 bar)@25°C
Sealing
PP sensor housing: EPDM. all other sensor housing: FPM (Viton)
Ingress protection
Compact type:
Sensor housing: IP 68, Housing: IP 67 (NEMA 6)
Integrated type:
IP 68
Power supply / Consumption
12 … 36 V DC / 48 mW … 720 mW, galvanic isolation, protection against surge transients
Electrode input
With pH and ORP probe: Combined electrode, galvanic isolation, input impedance: >10
12
ohm, connection: SN6.
With DO probe: Galvanic isolated current input, 0.725V polarisation voltage, connection: SN6
Liquid potential (complementary) electrode**
Stainless steel housing of the temperature sensor (1.4571) , connection: SN6
Temperature measuring
(semiconductive sensor)
Range:
-50…130°C,
Accuracy:
±0.5°C,
Resolution:
0.1°C
Analogue: 4 … 20 mA, (3.9 … 20.5 mA), R
tmax
= 1200
Ώ
( [U
t
– 12 V] / 0.022 A)
galvanic isolation, protection against surge transients
Relay: SPDT 30 V DC, 1A DC
Display: SAP-300 (128x64 pixels monochrome LCD, 41x24mm with effective display interface)
Outputs
Serial line: (optional) HART interface, terminal resistor
250 ohm
Electrical connections
Compact type:
2 x M20x1.5 metal cable gland, cable diameter: 7 … 13 mm, or 2 x M20x1.5 plastic cable gland, cable
diameter: 6 … 12 mm; connecting cable cross section: 0.5 ... 1.5 mm
2
(shielded cable is recommended) +
internal thread 2x NPT 1 / 2" cable protective pipe
Integrated type:
6x0.5mm
2
shielded cable
6 mm x 5 m (up to max. 30 m cable length)
Electrical protection
Class III. electric shock protection, less than 24V voltage feed
* Depends on the selected electrode!
**In case of L
P-
-
and L
R-
-
instruments.