Process Conditions - bürkert 8136 Bedienungsanleitung

Characteristics and performance data
Measuring frequency
Measuring cycle time
Ʋ Standard electronics approx.
Ʋ Electronics with increased sensitivity
approx.
Step response time
2)
Beam angle
3)
Ʋ Encapsulated antenna system
Ʋ Plastic horn antenna
Emitted HF power (depending on the parameter adjustment)
Ʋ Average spectral transmission power
density
Ʋ Max. spectral transmission power
density
Ʋ Max. power density at a distance of
1 m
Ambient conditions
Ambient, storage and transport tempera-
ture

Process conditions

For the process conditions, please also note the specifications on the type label. The lower value
always applies.
Vessel pressure
Ʋ Encapsulated antenna system
Ʋ Plastic horn antenna
Ʋ Version with adapter flange from
DN100 PP or PP-GF 30
Process temperature (measured on the
process fitting)
Vibration resistance
Ʋ With adapter flange
Ʋ with mounting strap
Shock resistance
Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
2)
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).
Outside the specified beam angle, the energy of the radar signal is reduced by 50 % (-3 dB)
3)
EIRP: Equivalent Isotropic Radiated Power
4)
LEVEL TRANSMITTER 8136 • 4 ... 20 mA/HART - two-wire
K-band (26 GHz technology)
450 ms
700 ms
≤ 3 s
22°
10°
4)
-14 dBm/MHz EIRP
+43 dBm/50 MHz EIRP
< 1 µW/cm²
-40 ... +80 °C (-40 ... +176 °F)
-1 ... 3 bar (-100 ... 300 kPa/-14.5 ... 43.5 psi)
-1 ... 2 bar (-100 ... 200 kPa/-14.5 ... 29.0 psig)
-1 ... 1 bar (-100 ... 100 kPa/-14.5 ... 14.5 psig)
-40 ... +80 °C (-40 ... +176 °F)
2 g at 5 ... 200 Hz according to EN 60068-2-6 (vibration
with resonance)
1 g at 5 ... 200 Hz according to EN 60068-2-6 (vibration
with resonance)
100 g, 6 ms according to EN 60068-2-27 (mechanical
shock)
11 Supplement
61