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Explosion-proof tuning fork level switch
HY121 tuning fork liquid level switch has reliable operation and adjustable sensitivity. It can measure media of different densities and is suitable for fixed-point monitoring of liquids, powders, and solid particles in containers.
Classification:
Detailed introduction
1. Product Overview
HY121 tuning fork level switch has reliable operation and adjustable sensitivity. It can measure media of different densities and is suitable for fixed-point monitoring of liquids, powders, and solid particles in containers.
Solid materials: fly ash, cement, fine sand, plastic particles, flour, salt, grains, etc.;
Liquid materials: various types of liquids.
2. Working principle
The tuning fork level switch, the probe is based on the tuning fork design, and piezoelectric devices are used to realize the vibration drive and detection of the fork body. When not in contact with the material, the tuning fork produces free vibration at the resonant frequency: when the tuning fork contacts the material to be measured, the amplitude and frequency of the tuning fork vibration will change significantly. The piezoelectric detection circuit detects these changes and converts them into switch signal output.
3. Product structure and features
3.1 Product structure
3.2 Product Features
1. Adjustable sensitivity, suitable for media of different densities, wide application range;
2. Adjustable output delay, which can effectively prevent false alarms caused by unstable liquid level;
3. Explosion-proof level: ExdbllCT6 Gb, ExtblICT80℃ Db;
4. Reliable measurement, not affected by medium flow, foam, stirring, vibration;
5. Rich self-diagnosis function, can accurately locate the fault direction;
6. Simple installation, no calibration required;
7. No mechanical moving parts: maintenance-free, wear-free, long service life;
4. Technical indicators
Environmental requirements
Ambient temperature: -20℃ ~ 40℃
Ambient humidity: 45%~75%
Pressure range: <2.5MPa
Medium range
Medium temperature range: -20℃℃ ~ 220℃
Measurable media: liquid, powder, granular solid
Measured medium density: solid ≥0.1 g/cm³ liquid ≥0.7 g/cm³
Measured solid particle size: ≤10mm
Maximum liquid viscosity: <1000 mm2/s
Working characteristics
Accuracy: ±5mm
Probe length: 100mm
Extension tube length: S: standard 10mm; L: extended 50mm~3000mm optional
Sensitivity adjustment: 8 adjustable levels
Output signal delay: 1~10s, 8 adjustable levels
Electrical parameters
Power supply voltage:
A: Dual power supply interface
DC 24V (20~ 40V wide voltage range)
AC 220V±20%50Hz
B: Single power supply interface
DC 24V (20 ~ 40V wide voltage range)
Overvoltage protection: CAT III
Output mode: Relay output (double-pole double-throw passive contact)
Contact capacity 250VAC 3A/24VDC3A
Power consumption: ≤2W
Mechanical characteristics
Housing material: Die-cast aluminum alloy ADC-12
Fork body material: 304, 316L, optional
Process connection: thread 1”NPT (standard)/thread G1/flange (user selected)
Cable entry/plug: M20*1.5, including waterproof connector
Enclosure protection grade IP66
Certification
Explosion-proof mark: ExdbllCT6 Gb, ExtblllCT80'℃ Db;
Key words:
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Nanyang Huaye Explosion Protected Instrument Co., Ltd.
Professional manufacturer of explosion-proof temperature meters and temperature sensors and suppliers of motor supporting instruments
Professional manufacturer of explosion-proof temperature instruments and temperature sensors, as well...
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E-mail:abc@huayex.com
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