Page 383 - Bürkert
P. 383
Conductivity meter without display and operating unit
8222 ELEMENT neutrino • Analog 4-20 mA output
• Universal process connection
• Three cell constants for covering a wide
measuring range
• Temperature compensated
measurement
Please see adapters
The Bürkert ELEMENT neutrino meter, Type 8222, is a compact device Envelope Dimensions [mm] (see datasheet for details)
designed for measuring the conductivity of fluids.
Technical Data
Pipe + conductivity meter
Pipe diameter DN25-110 mm (DN < 25 mm with reduction)
Conductivity measurement
Measuring range 0.05 µS/cm to 10 mS/cm
Accuracy ± 3% of measured value
Temperature measurement
Measuring range -40 ºC to +130 ºC
Accuracy ±1 ºC C
Temperature compensation
Cell constants C = 0.1 or 1 according to a NaCl graph B
Cell constants C = 0.01 according to an ultra pure water graph A
Medium temperature*
with G 1½” PVC connection nut 0 ºC to +50 ºC
with G 1½” PVDF connection nut -20 ºC to +100 ºC restricted by the used
(on request) adaptor
restriction with adaptor S022 in:
- PVC: 0 ºC to +50 ºC - PP: 0 ºC to +80 ºC
with G ¾” ext. threaded - Metal: -20 ºC to +100 ºC
connection -20 ºC to +100 ºC restricted by the used
adaptor
restriction with adaptor S022 in: A B C
- PVC: 0 ºC to +50 ºC
- PVDF: 0 ºC to +100 ºC 87 75 183
- metal: -20 ºC to +100 ºC
Fluid pressure max PN16 (see pressure / temp. chart)
4-20 mA output accuracy ±1%
Environment Technical data (continued)
Ambient temperature -10 °C to +60 °C (14 to 140°F)
(operating and storage) General data
Relative humidity ≤ 85%, without condensation Compatibility Any pipe which are fitted out with Bürkert
adaptor S022 (see separate data sheet)
Electrical data
Power supply 12 - 36 V DC, filtered and regulated Materials See exploded view, opposite
Housing Stainless steel 1.4561 (316L), PPS
Current consumption with ≤ 25 mA Cover PPS
sensor Seals EPDM
Reversed polarity of DC Protected Fixed connector PA66
Voltage peak Protected Nut PVC (PVDF on request)
Wetted part materials
Output PVDF, stainless steel 1.4571 (316Ti)
Current 4... 20 mA Temperature sensor Stainless steel 1.4571 (316Ti ) for cell
max. loop impedance: 1100 W at 36 V DC; Conductivity electrodes constant C=0.01 or C=0.1 or graphite for
610 W at 24 V DC; 100 W at 12 V DC cell constant C=1.0
Response time (10% - 90%) 5 s (standard)
Temperature sensor Pt1000 (316Ti) integrated in the sensor
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