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The Yokogawa FU20-VP-T1-NPTFPS is an all-in-one wide-body pH/ORP combination sensor from the FU20 series, designed for inline or immersion installation in wastewater and industrial process applications. It integrates four measuring elements — pH glass electrode, Ag/AgCl double-junction reference, solid platinum ORP electrode, and Pt1000 RTD — in a single rugged PPS 40GF (Ryton) body with 3/4" NPT tapered thread for direct mounting. The -VP suffix indicates a VarioPin detachable connector (no fixed cable), and -FPS denotes the included F*40 adapter option. This sensor enables simultaneous pH (0–14) and ORP (±1500 mV) measurement with temperature compensation, suitable for Yokogawa FLXA21, PH400 series, and SENCOM transmitters.
Technical Specifications (Measuring Elements & Electrical)
Ø26 mm / Total length approx. 99 mm (insertion ~65 mm)
Sealing / O-ring
Viton® (FKM)
Operating Temp. Range
-10 … +105 °C
Max. Process Pressure
1.0 MPa (10 bar / 145 psig) @ ≤ 105 °C
Minimum Conductivity
> 50 µS/cm
Cable / Connector Option
None supplied — VarioPin (VP) connector only; order separate VP cable (e.g. WU10-V-S-xx)
Included Accessory
F*40 Adapter (PPO) — denoted by /FPS suffix
Calibration Certificate
Supplied with each sensor
Key Features
Four-in-One Design: Single sensor body measures pH + ORP + Temperature + Reference — eliminates need for separate probes.
Double-Junction Gel Reference: Large-volume polymerized KCl with PTFE porous junction resists poisoning in dirty/wastewater — extends service life vs. single-junction designs.
VarioPin Detachable Connector (-VP): Allows sensor replacement without rewiring the transmitter; pin-coded to prevent misconnection.
Direct NPT Mount: 3/4" NPT thread screws straight into a tee, pipe, or immersion fitting — no special holder required.
Pt1000 Built-In: Provides accurate temperature compensation for pH and direct temp readout to the analyzer.
Typical Applications
Municipal / Industrial Wastewater: pH & redox monitoring in aeration basins, neutralization tanks, and effluent lines.
Chemical Process Lines: Where simultaneous pH and ORP (e.g., chlorine control, cyanide destruction) are required.
Food & Beverage / Pharmaceutical: CIP rinse verification (pH swing) and sanitization cycle ORP monitoring (with appropriate chemical compatibility check).
Cooling Tower / Boiler Blowdown: pH control loops with ORP trend monitoring.
Suffix decode: FU20 = Wide-body combo sensor | -VP = VarioPin detachable connector (no cable) | -T1 = Pt1000 RTD | -NPT = 3/4" NPT male thread, PPS body, dome glass | -FPS = F40 adapter (PPO) included. For integrated fixed cable version, select FU20-xx-T1-NPT (e.g. FU20-05-T1-NPT for 5 m cable).*
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Agent,Importer,Trading Company
Year Established:
2012
Total Annual:
2000000-3000000
Employee Number:
>50
Ecer Certification：
Verified Supplier
A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,,E... A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,,E...
