YOKOGAWA FU20-MTS, Инструкция по эксплуатации

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IM 12B06J03-05E-E
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2. GENERAL SPECIFICATIONS
2.1 Measuring elements
: Na-glass electrode
: pH-glass electrode
: Silver chloride reference
: Solid platinum electrode
: Pt1000 temperature sensor.
2.2 Wetted parts
Sensor body : PVDF-(GF25+TZ4)
Earthing pin : Solid Platinum
Measuring sensor : L-glass, pNa-glass
LE glass tube : AR-glass
Sealing : Viton -FTS FFKM, EPDM -MTS
Body insert : PVDF
2.3 Functional specifications (at 25°C)
Isothermal point : pH7, pNa 0
Reference system : Salt sensitive, Ag/AgCl in 1M KCl
Glass impedances : Nominal: 750 M Ω
Liquid outlet : Non-flow no junction
Temperature element : Pt1000 to IEC 751
Asymmetry potential : 0 ± 15 mV
Linearity PH (Slope) : > 90% in pH 2-12 with pH = pNa+2
NOTE: The temperature sensor included in the FU20-FTS/MTS is designed for cell
compensation and for indication. It is NOT designed for process temperature
control.
2.4 Dynamic specifications
Response time pH : t90 < 15 sec. (for 7 to 4 pH step)
Response time temp. : t90 < 120 sec. (for 10 °C step)
Stabilization time pH : < 2 min. (for 0.02 pH unit during 10 sec.)
2.5 Operating range
pH : 2 to 14
ORP : -1500 to 1500 mV
Temperature : 0 to 105 ºC (14 to 221 ºF)
Pressure : p(bar)
Conductivity
: > 10 µS/cm
NOTE:
The pH operating range at room temperature is 2-14 pH, but at high temperatures
or range outside 2-12 pH the lifetime will be seriously shortened.
p(bar)
Temp. (ºC) -10 25 50 105 0
5
0
10
FSM