YOKOGAWA FU20-VP-T1-NPTFPS All-In-One pH/ORP Combination Sensor
Product Details:
Manufacturer : YOKOGAWA
Product No. : FU20-VP-T1-NPTFPS
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This industrial automation component is supplied for enterprise procurement .Made-to-order and forward delivery are supported, with pricing quoted per inquiry.
To reduce sourcing risk, each order is handled individually with support for model confirmation, condition clarification, and lead time estimation before order placement. Clear quotation terms and consistent communication are provided to help partners manage expectations and complete transactions with confidence. Additional verification or clarification is available when required, supporting professional procurement and long-term cooperation.
This unit integrates four independent sensing components: pH glass electrode, Ag/AgCl double-junction reference electrode, solid platinum ORP grounding pin, and Pt1000 temperature probe. The double-junction PTFE porous reference barrier blocks heavy metal, sulfide and surfactant contamination to extend sensor service life. Non-refillable polymer saturated KCl electrolyte eliminates routine refilling maintenance. The IP67 fully sealed housing resists splash, dust and moderate chemical vapors, while the FPS adapter enables quick sensor insertion/removal from standard process immersion fittings without full pipeline shutdown.
Detail:
| Parameter Item |
Technical Specification |
| Full Part Number |
FU20-VP-T1-NPTFPS |
| Manufacturer |
Yokogawa Electric Corporation |
| Product Series |
FU20 Wide-Body pH/ORP Combination Sensor |
| Electrode Type |
Dome-shaped G-glass pH electrode, solid Pt ORP pin |
| Reference System |
Ag/AgCl saturated KCl, double-junction PTFE barrier |
| Temperature Element |
Pt1000 RTD (IEC 751 standard, suffix T1) |
| Electrical Interface |
VP VarioPin connector (no factory-attached cable) |
| Process Thread |
1” NPT tapered male thread (NPT suffix) |
| Matching Fitting Accessory |
FPS PPO Noryl adapter (fits FS40/FF40/FD40 holders) |
| Main Body Material |
PPS 40GF (Glass-filled Ryton) |
| Seal Material |
Viton fluororubber O-ring |
| Reference Electrolyte |
Polymerized saturated KCl, non-refillable |
| Internal Impedance (Dome Glass) |
250 ~ 500 MΩ at 25°C |
| Junction Resistance |
0.5 ~ 10 kΩ |
| Asymmetry Potential |
±15 mV maximum |
| Theoretical Slope Retention |
>96% at 25°C |
| Isothermal Point |
pH 7 |
| Overall Sensor Length |
218 mm |
| Net Weight |
320 g |
| Mounting Method |
Direct thread mounting / FPS immersion fitting installation |
| Specification Item |
Technical Value |
| pH Measuring Range |
0 ~ 14 (stable long-term operation: pH 2 ~ 12) |
| ORP Redox Range |
-1500 mV ~ +1500 mV |
| Process Liquid Temperature |
-10 °C ~ +105 °C |
| Maximum Operating Process Pressure |
0 ~ 10 bar (145 PSIG) |
| Minimum Liquid Conductivity |
≥ 50 μS/cm |
| Maximum Allowed Flow Velocity |
2 m/s |
| pH Response Time (7 → 4 step, 90% signal) |
< 15 seconds |
| Temperature Response Time (10°C shift, 90% signal) |
< 3 minutes |
| Full Signal Stabilization Time (0.02pH/10s drift) |
< 2 minutes |
| Ambient Operating Temperature |
-10 °C ~ +50 °C |
| Storage Temperature Range |
-30 °C ~ +50 °C |
| Ingress Protection Class |
IP67 (IEC 60529) |
| Electromagnetic Compliance |
EN 61326-1 industrial EMC standard |
| Material Chemical Resistance |
Resistant to mild acids, alkalis, brine and general organic solvents |
| Global Compliance Certifications |
CE, RoHS 2, cULus recognized |
| Service Characteristic |
Maintenance-free sealed electrolyte, no refilling required |
| Calibration Requirement |
Standard 2-point buffer calibration before commissioning |
Brand
Yokogawa Electric Group was founded in 1915 and is headquartered in Tokyo, Japan. It is a professional multinational company in the industrial control industry and has 128 companies in 62 countries and regions. In 1975, the important distributed control system (DCS system) was developed, and 10 generations of CENTUM DCS series products have been launched so far. In 1991, a digital monocrystalline silicon resonant differential pressure/pressure transmitter was developed. Yokogawa's flow meters, transmitters, analyzers and other field instruments have also been highly praised by users and have contributed to the development of industry and the progress of society.
Yokogawa Electric is one of the earliest foreign-funded enterprises in the industry to enter China. It began commercial activities in China in 1957. It established a Yokogawa representative office in China in 1965 and exported its first DCS (CENTUM) to China in 1979. In 1985, Yokogawa established a joint venture with Xi'an Instrument Factory and established its first joint venture in China - Xiyi Yokogawa Control System Co., Ltd. In October 2002, it established a wholly-owned "Yokogawa Electric (Suzhou) Co., Ltd." in the Suzhou Singapore Industrial Park in Suzhou. The Suzhou factory has a total area of 135,000 square meters and produces flow meters, recorders, etc. In 2008, in order to expand its business in the field of industrial automation in China, Yokogawa integrated many of its related companies and established "Yokogawa Electric (China) Co., Ltd.", headquartered in Shanghai. As an overall company in China, it adapts to the diversified needs of China's industrial automation market by strengthening sales, technical support, engineering, research and development, after-sales service and other functions. In 2020, in order to better exchange opinions with customers and achieve goals, Yokogawa Electric China Exhibition Hall (In-Space China) was established in Suzhou to provide customers with an immersive experience space and further expand its business in China.
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