Yokogawa รุ่นFU24-VP-T1-NPTเครื่องวัดค่าความเป็นกรด-ด่าง(พีเอช pH),All-in-One pH/ORP(REDOX)Sensor

Measuring principle

pH glass electrode,

Silver Chloride   reference,

Solid Platinum electrode,  

Pt1000 temperature   sensor

Wetted parts

Sensor body: PPS 40GF
  Measuring sensor: G-glass

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)