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Shanghai Yibi Automation Instrument Co., Ltd

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    222 Chexi Road, Jiading District, Shanghai

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Ultrasonic level gauge

NegotiableUpdate on 05/15
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Overview

The Eby-ULTRA50 series ultrasonic level gauge is a non-contact level measuring instrument developed by Shanghai Yibi Automation specifically for flammable and explosive high-risk environments such as petroleum, chemical, oil and gas, coal mining, and medicine. It adopts the principle of ultrasonic time difference method, combined with explosion-proof and intrinsic safety dual explosion-proof design and intelligent signal processing technology, to achieve high-precision and high stability level monitoring of various liquids and slurries.

Product Details

1. Introduction

Eby-ULTRA50 series explosion-proofUltrasonic level gaugeShanghai Yibi Automation specializes inPetroleum, chemical, oil and gas, coal mining, pharmaceuticalsNon contact liquid level measuring instruments developed for flammable and explosive high-risk environments, usingUltrasonic Time Difference MethodPrinciple, combined withExplosion proof and intrinsic safety dual explosion-proof designWith intelligent signal processing technology, high-precision and high stability liquid level monitoring of various liquids and slurries can be achieved. The product strictly follows national and international explosion-proof standards and has passed the Ex d IIC T6/Ex ia IIC T6 explosion-proof certification. It can be directly used in Zone 0/1 explosive gas environments.
Complete setMeasurement, display, transmission, alarmIntegrated, non-contact measurement without wear or blockage, suitable for strongly corrosive, high viscosity, and easily crystallizable media. The IP68 probe and IP65 header protection, wide temperature compensation, false echo suppression, and multiple signal output meet the safety monitoring needs of complex working conditions such as storage tanks, reactors, tanks, and sewage tanks, providing reliable guarantees for industrial safety production and automation control.

2. Technical parameters (Eby-ULTRA50 series)

2.1 Basic Performance

  • Measuring principleUltrasonic pulse time difference method

  • Range specifications:5m / 10m / 15m / 20m(可定制 0~30m)

  • measurement accuracy: ± 0.25% FS (standard); ± 0.1% FS (high precision)

  • resolution:1mm

  • blind spot: 0.3~0.6m (increasing with range)

  • response time: 0.5~2s (adjustable)

2.2 Explosion proof and Environmental Protection

  • Explosion-proof ratingEx d IIC T6 (explosion-proof), Ex ia IIC T6 (intrinsic safety)

  • Protection levelProbe IP68, header IP65

  • medium temperature-20 ℃~+80 ℃ (High temperature type can be customized up to 120 ℃)

  • ambient temperature:-40℃~+60℃

  • work pressure≤ 0.4MPa (atmospheric pressure tank)

  • material

    • Probe: PTFE (polytetrafluoroethylene)/PVDF/316L stainless steel

    • Shell: Cast aluminum explosion-proof shell+anti-corrosion coating

2.3 Electrical and Signal

  • power supplyDC 24V (intrinsic safety); AC 220V/DC 24V (explosion-proof)

  • output signal

    • Simulation: 4-20mA (two-wire/four wire)

    • Number: RS485 (Modbus RTU)

    • Switch: 2-channel relay (high/low/fault alarm)

  • display: LCD backlit LCD (liquid level/distance/temperature/status)

  • cable interfaceM20 × 1.5 explosion-proof cable joint

  • certificationNational explosion-proof certification CE、IECEx、ATEX


3. Product advantages

3.1 Double explosion-proof, safe and reliable

  • Explosion proof+intrinsic safety dual certification, thickened cast aluminum shell, sealed explosion-proof structure

  • Circuit current and energy limiting, short circuit prevention, overheating prevention, and elimination of spark risk

  • Can be directly installed in hazardous areas of Zone 0/Zone 1, ensuring long-term safety and stability

3.2 Non contact measurement with strong adaptability

  • The probe does not come into contact with the medium and is compatibleStrong acid, strong alkali, sewage, mud, crude oil, viscous liquid

  • PTFE/PVDF anti-corrosion probe, corrosion-resistant and anti scaling, long service life

  • No mechanical wear, no blockage, extremely low maintenance

3.3 Intelligent algorithms for precise measurement

  • built-inNTC temperature compensationAutomatic calibration of sound velocity throughout the entire temperature range

  • Multiple echo processing+false echo suppression, anti foam, steam, dust, tank wall interference

  • Multi point transmission circuit, smooth signal, small burrs, stability comparable to imported brands

3.4 Industrial grade design, stable and durable

  • IP68 probe can be immersed in water for a long time, IP65 meter head is dustproof and rainproof

  • Wide voltage DC6-30V power supply, signal isolation, lightning protection design

  • Self diagnosis+fault alarm, real-time monitoring of operating status

3.5 Easy Installation and Integration

  • Integrated structure, top mounted thread/flange, quick installation

  • 4-20mA+RS485+relay, seamlessly connected to PLC/DCS/upper computer

  • Menu based LCD operation, simple and intuitive parameter settings


4. Dimensions and Installation Diagram

4.1 Dimensions (Unit: mm)

Eby-ULTRA50 Integrated Type (Standard)
超声波液位计
  • Total height H: 220

  • Header diameter Φ: 95

  • Probe length L: 105

  • Probe diameter Φ: 59

  • Installation thread:M59×2(Standard)/DN50 flange(optional)

4.2 Installation Diagram and Requirements

超声波液位计

(1) Installation principles

  • vertical installationThe probe axis must beVertically align with the liquid levelTilt ≤± 3 °

  • Avoid blind spotsDistance from the probe to the highest liquid levelBlind spot (0.3~0.6m)

  • Stay away from the tank wall: Distance from rough tank wall ≥ 0.5m, smooth tank wall ≥ 0.3m

  • Avoid interference: Keep away from the inlet, outlet, agitator and foam area

(2) Installation method

  • Threaded installation(Commonly used): Can top opening, M59 × 2 thread directly screwed in, equipped with sealing gasket

  • Flange installation(Explosion proof/High Voltage): DN50/DN80 flange fixed, reliable sealing

  • bracket installation(Pool/Open): L-shaped stainless steel bracket, horizontally fixed

(3) Wiring and Protection

  • adoptExplosion proof cablePrevent rainwater from flowing backwards from the inlet downwards

  • Outdoor installation of sunshades to extend service life

  • Split type option (probe+explosion-proof junction box), cable length up to 50m


Applicable scenarios

  • Petrochemical industry: raw material tanks, finished oil tanks, reaction vessels, separators

  • Oil and gas fields: wellhead fluid accumulation, separator, sewage tank

  • Coal mine: underground water tank, sedimentation tank

  • Pharmaceutical/Fine Chemicals: Corrosion resistant and Explosion proof Storage Tanks

  • Wastewater treatment: regulating tank, anaerobic tank, sludge tank