7
IM 12B06J03-02EN-P
2. GENERAL SPECIFICATIONS
2.1 Measuring elements
: pH glass electrode
: Silver/Silver chloride reference
: Solid platinum electrode
: Pt1000 temperature sensor.
2.2 Wetted parts
Sensor body : PPS GF40 for type NPT, FSM
: PVDF GF20+TZ4 for type FTD
Earthing pin : Solid Platinum
Measuring sensor : G-glass
LE glass tube : AR-glass
O-ring : Viton
Reference junction : Porous PTFE
2.3 Functional specifications (at 25 °C)
Isothermal point : pH 7 / 3.3M KCl
Reference system : Ag/AgCl with saturated KCI
Glass impedance
- Dome shape : 200 M nominal
- Flat Surface : 750 M nominal
Junction resistance : < 10
Liquid outlet : non-flow double junction
Temperature element : Pt1000 to IEC 751
Asymmetry potential : 8 ± 15 mV
Slope : > 96 % (of theoretical value)
Note: The temperature sensor included in the FU20 is designed for process compensation
and for indication. It is NOT designed for process temperature control.
2.4 Dynamic specifications
Response time pH : t
90
< 15 sec. (for 7 to 4 pH step)
Response time temperature
- Dome shape : t
90
< 1 min. (for 10 °C step)
- Flat surface : t
90
< 4 min. (for 10 °C step)
Stabilization time pH : < 2 min. (for 0.02 pH deviation during 10 sec.)
2.5 Operating range
pH : 0 to 14
ORP : -1500 to +1500 mV
rH : 0 to 100
Temperature
- Dome shape : -10 to +105 ºC (14 to 221 ºF)
- Flat Surface : +15 to +105 ºC (59 to 221 ºF)
Pressure : See Graph 1
Conductivity : > 5
To Next Page
Loading...
Need help?
General
