1.General Introduction
Yokogawa FU24 is a four in one analog PH & ORP sensor which applicable for pressure fluctuation process, it owns a wide chemical resistant PPS 40GF body sensors hold four separate measuring elements, pH, reference, temperature, ORP measure elements. A strong pressure compensation mechanism is created in FU24 sensor, which is particularly useful in harsh applications with fluctuating pressure and/or temperature. The build-in bellow ensures immediate interior pressure equalization to the outside pressure, making the sensor virtually insensitive to external pressure variations, particular interest in pure water applications.
2.General Specifications
Items | Description |
Measuring principle | pH glass electrode, Silver Chloride reference, Solid Platinum electrode, Pt1000 temperature sensor |
Wetted parts | Sensor body: PPS 40GF Earth pin: Solid Platinum O-ring: Viton Reference junction: Porous PTFE |
Functional specifications (at 25°C) | Isothermal point: pH 7 Glass impedance: Dome shape nominal 200MΩ, Flat Surface nominal 700MΩ Reference system: Double junction, Ag/ AgCl with saturated KCI Junction resistance: 1 to 15 kΩ Temperature element: Pt1000 to IEC 751 Asymmetry potential: 8 ± 15 mV Linearity PH (Slope): > 96 % (of theoretical value) |
Dynamic specifications (at 25°C) | Response time pH step (7 to 4): < 15 sec for 90% Response time temp step (10°C): Dome shape< 1 min for 90%, Flat Surface< 4 min for 90% Stabilization time (0.02 pH unit/10 s): < 2 minutes |
Operating range | pH: 0 to 14 Temperature: Dome shape -10℃ to 105℃ (14℉ to 221℉), Flat surface 15℃ to 105℃ (59℉ to 221℉) Pressure: 0 to 10 bar (0 to 142 PSIG) |
3.Model Selection
Main Code | Suffix Codes | Description | |||
FU24 | Wide body sensor | ||||
Type | - VP | No Cable; Vario Pin connector | |||
- VS | No Cable; Vario Pin for SENCOM connector | ||||
Cable | - 05 | Fixed cable, 5 meter | |||
- 10 | Fixed cable, 10 meter | ||||
Temp. element | - T1 | Pt1000 | |||
Model | - NPT | Dome shape model | |||
- FSM | Flat surface model |
4.External Dimensions
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