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Address
222 Chexi Road, Jiading District, Shanghai
Shanghai Yibi Automation Instrument Co., Ltd
222 Chexi Road, Jiading District, Shanghai
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)
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
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
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
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
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
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
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

Total height H: 220
Header diameter Φ: 95
Probe length L: 105
Probe diameter Φ: 59
Installation thread:M59×2(Standard)/DN50 flange(optional)

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
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
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
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