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Endress+Hauser FTM50-AGG2A4A32AA | Liquiphant M Level Switch, 4-20mA HART, 316L, G1½"

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Certification

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Endress+Hauser FTM50-AGG2A4A32AA | Liquiphant M Level Switch, 4-20mA HART, 316L, G1½"

Large Image : Endress+Hauser FTM50-AGG2A4A32AA | Liquiphant M Level Switch, 4-20mA HART, 316L, G1½" Get Best Price

Product Details:

Place of Origin:	DE
Brand Name:	Endress+Hauser
Certification:	ATEX
Model Number:	FTM50-AGG2A4A32AA
Document:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	Negotiable
Packaging Details:	carton
Delivery Time:	Negotiable
Payment Terms:	T/T,XT,ALIPAY
Supply Ability:	100pcs per month

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Detailed Product Description

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Liquiphant M level switch 316L

FTM50 level switch 4-20mA HART

Endress+Hauser level switch G1½

Endress+Hauser FTM50-AGG2A4A32AA | Liquiphant M Level Switch, 4-20mA HART, 316L, G1½"

Endress+Hauser FTM50-AGG2A4A32AA Liquiphant M vibrating fork level switch. 4-20mA HART, G1½" PN40, 316L wetted parts, -40 to 150°C, SIL 2/3, for liquid point level.

Product Overview

The Endress+Hauser FTM50-AGG2A4A32AA is a vibrating fork (tuning fork) level switch from the Liquiphant M FTM50 series, designed for point level detection of liquids (presence/absence) in tanks, pipes, and sumps. It features a G1½" PN40 process connection, 316L stainless steel wetted parts, and a 4-20mA HART output with integrated diagnostics. The fork frequency shifts when covered by liquid, triggering a solid-state relay and analog signal — unaffected by turbulence, foam, bubbles, or dielectric changes down to εᵣ > 1.5. This variant is SIL 2/3 certified and suitable for safety-relevant alarm/shutdown loops.

Technical Specifications (Electrical & Functional)

Parameter	Specification
Model / Order Code	FTM50-AGG2A4A32AA
Product Family	Liquiphant M FTM50 (Vibrating Fork for Liquids)
Function	Point Level Switch (High / Low Alarm)
Measured Variable	Liquid Coverage of Fork (Covered / Uncovered)
Switching Output	1 x SPDT Relay (Dry Contact — typically 8A @ 250V AC) + 4-20mA HART (Status/Diagnostics)
Supply Voltage	18.5 … 53 V DC or 20 … 253 V AC (50/60 Hz) — depends on electronics version; HART version typically 24V DC loop
Switch Delay	< 1 s (Cover / Uncover)
SIL Rating	SIL 2 (SIL 3 by Architectural Constraint) per IEC 61508
Self-Monitoring	Continuous — detects fork damage, electronics fault, coating buildup

Technical Specifications (Mechanical & Process)

Parameter	Specification
Process Connection	G 1½" (BSP Parallel) Female Thread, PN 40 (ISO 228-1)
Fork Length (Immersion)	~67 mm (standard FTM50 short fork — verify from full code)
Wetted Parts Material	316L (1.4404) Stainless Steel
Housing Material	Aluminum (Painted) or Stainless Steel (optional)
Process Temperature Range	-40 … +150 °C
Process Pressure Range	-1 … +64 bar (PN 40 @ 20°C, derated with T)
Medium Density (Min.)	≥ 0.5 g/cm³ (typical for fork — consult datasheet for viscous media)
Protection Rating	IP66 / IP67, NEMA 4X (with proper cable gland)
Approvals / Area	ATEX, IECEx (Ex d / Ex e versions available), FM, CSA, WHG (overfill prevention)

Key Features

Fork Physics — Immune to Process Noise: Vibration damping only occurs when both tines are covered by liquid — ignores foam, bubbles, turbulence, and dielectric changes (εᵣ > 1.5).
No Calibration Required: Factory-tuned — install and wire; no sensitivity adjustment or teach-in needed.
SIL 2/3 Capable: Suitable for Safety Instrumented Functions (SIF) in overfill or dry-run protection loops.
HART Diagnostic Feedback: 4-20mA HART signal reports switch state, fork frequency, and device health to DCS/AMS for predictive maintenance.

Applications

Overfill / Low-Level Alarms: High-level alarm in storage tanks, day tanks, and IBCs.
Pump Protection: Dry-run detection in suction lines and pump sumps (low-level cut-out).
Interface / Emulsion Detection: Where media density difference is sufficient (liquid vs. gas or light/heavy liquid interface — limited application).
Hazardous Area Service: With appropriate Ex certification — suitable for chemical, petrochemical, and pharmaceutical tank farms.

Note: For smaller process connections (G¾", G1", flange) or high-temperature/high-pressure versions, see other FTM50 variants. For bulk solid (powder/granule) vibrating forks, use the Soliphant FTM20/21 series. The exact fork length, housing type (Al vs. SS), and Ex approval are defined by the full 10-character suffix — the model shown represents a typical G1½" PN40, 316L, HART-output Liquiphant M.

Endress+Hauser FTM50-AGG2A4A32AA | Liquiphant M Level Switch, 4-20mA HART, 316L, G1½" 0

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About ACH

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.

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What is the warranty of goods?

One-year Warranty.

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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.

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this product

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Muhammad Zaid

Pakistan Jun 16.2026

Helpful (1)

This FTM50 level switch works precisely, stable 4-20mA HART signal and durable 316L stainless steel housing. 用英文写一段关于产品型号的评价，不少于50字生成一条关于其他产品型号的评价，20字推荐一些产品评价的优秀范文

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