Technical Data - Burkert 8201 Manuel Utilisateur

2.6 Sensor technical data
Variable
Measurement value
Reference system
Measuring range
Measuring error
Measuring chain zero point
Measuring chain isotherm point pH
Slope of measuring chain
Measuring chain voltage
Inner resistance of measuring chain
Diaphragm resistance
Insulation resistance
Inner capacity (with attachment cable)
Inner inductivity (with attachment cable)
Medium temperature range
Thermoshock resistance
Ambient temperature
Medium pressure range
Sensor for temperature compensation
Corrosion resistance
Materials
Sensor tube
Diaphragm
Process attachment
Electrode head
Seal
Signal outputs
pH value
Pt1000
Electrical connection
Protection type
Adaptation sets
Measuring transmitter
Hygienic connection fittings
Connection fittings Type 8200
* For exact values see electrode test report
8- 8201
Value / comment
pH value absolute
Aseptic ground diaphragm (ceramic)
Reference electrode AgAgCl
Electrolyte KCl 3-molar, sterile
0 to 10 pH, see diagram 1
Max. ±0.05 pH, depending on calibration
8.65 ±1 pH *)
1.0 ±1 pH / 440 mV *)
0
56 to 59 mV per 1 pH at +25 °C *)
+600 to –400 mV
9 10
10 to 10 Ω at +25 °C
Approx. 20 to 200 kΩ
12
≥ 10 Ω
≤ 5 nF
Negligibly low
0 to +140 °C, see diagram 1
ΔT = 120 °C
0 to +50 °C
-1 to +6 bar
Pt1000
See Diagram 2
Enamelled steel tube
Ceramic
Stainless steel 1.4404
PVDF
EPDM
Analogue, high-ohm
2 conductors
6-pole, gold-plated
IP68
For connection fittings Types 8200 and 8201
Devices with isotherm option
Stainless steel weld connection DN25, DN30 and
others
See corresponding data sheet