Description
Elevator leveling sensor YW-E4S-LS YW-E4S-HS YW-E3S-LS YW-E3S-HS Brief Introduction
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Product Name |
Elevator leveling sensor |
| Model Number | YW-E4S-LS
YW-E4S-HS YW-E3S-LS YW-E3S-HS |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator Leveling Sensor YW-E4S-LS: Precision Positioning Core from Nanjing Zhuye Elevatorparts
Elevator Leveling Sensor YW-E4S-LS is a critical precision positioning component for elevator systems, dedicated to real-time detecting the elevator car’s position relative to the floor landing. Installed on the top or bottom of the elevator car, it cooperates with the leveling plate (installed on each floor’s shaft) to transmit accurate leveling signals to the elevator main controller. This ensures the elevator car stops precisely at the floor level (leveling error ≤ 2mm), avoiding gaps between the car door and landing door that may cause passenger tripping. Widely compatible with mainstream elevator control systems and applicable to various elevator types (residential, commercial, industrial, and high-speed elevators), this sensor is an essential component for enhancing ride comfort and safety. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional provider of high-quality elevator electrical components, the Elevator Leveling Sensor YW-E4S-LS fully complies with international elevator safety standards (EN 81-20, GB 7588) and industrial sensor technical specifications (IEC 61131). Manufactured with premium electronic components and precision calibration technology, it features high positioning accuracy, strong anti-interference performance, and stable operation in harsh shaft environments, earning recognition from global elevator maintenance teams and manufacturers.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Precision Positioning, Safe Landing” and implements rigorous quality control for the YW-E4S-LS elevator leveling sensor. Each unit undergoes multi-stage pre-delivery inspections, including positioning accuracy testing, anti-interference performance verification, temperature resistance detection, and service life evaluation. The sensor adopts advanced technologies and materials: it uses photoelectric or inductive detection principles (optional based on elevator type) with a detection distance of 5–20mm, ensuring stable signal transmission; the shell is made of flame-retardant engineering plastic (UL94 V0 grade) with IP54 protection rating, effectively resisting humidity, dust, and mechanical impact in elevator shafts (-20℃ to 80℃); the internal circuit board is equipped with anti-surge and anti-static protection modules, adapting to complex electrical environments in the shaft. The standardized mounting bracket and plug-in interface design enable seamless matching with elevator car structures, simplifying installation and replacement processes.
Step-by-Step Usage Guide for Elevator Leveling Sensor YW-E4S-LS
To maximize the positioning accuracy, service life, and operational stability of the Elevator Leveling Sensor YW-E4S-LS, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for selection, installation, and maintenance:
1. Professional Selection & Pre-Installation Preparation
Installation must be performed by certified elevator technicians proficient in elevator electrical systems. Prior to selection, confirm the elevator’s leveling system type (photoelectric or inductive) and control system parameters with the elevator manual or Nanjing Zhuye Elevatorparts’ technical team to ensure the YW-E4S-LS sensor is fully compatible. Preparation steps: Cut off the elevator’s main power supply and lock the power switch; place a “Maintenance in Progress” warning sign at the elevator entrance; use a hoisting device to stabilize the elevator car at a convenient maintenance position; clean the sensor mounting area on the car and the leveling plate area in the shaft to remove dust, oil stains, and debris.
2. Correct Installation & Calibration
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Sensor Fixing: Take the YW-E4S-LS sensor from Nanjing Zhuye Elevatorparts, install it on the dedicated mounting bracket (provided by the brand), and fix the bracket to the preset position on the elevator car with stainless steel bolts (torque: 20–30N·m). Ensure the sensor’s detection surface is aligned vertically with the leveling plate, and the distance between the sensor and the leveling plate is adjusted to 10–15mm (within the standard detection range).
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Wiring Connection: According to the elevator’s electrical schematic and Nanjing Zhuye Elevatorparts’ wiring manual, connect the sensor’s plug-in terminals to the elevator controller’s signal line. Distinguish between power lines (DC 24V/AC 220V) and signal lines to avoid wrong connection; use cable ties to fix the wire harness to prevent friction with the shaft or car components during elevator operation.
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Precision Calibration: Restore the elevator’s power supply and switch to inspection mode. Operate the elevator to run to each floor, and use a level ruler to check the leveling error. Through the controller’s parameter setting interface or the sensor’s calibration button (guided by Nanjing Zhuye’s technical manual), adjust the sensor’s sensitivity and detection range to ensure the leveling error is ≤ 2mm. After calibration, lock the parameter settings to prevent accidental modification.
3. Post-Installation Testing & Daily Maintenance
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Function Testing: Run the elevator through all floors in normal operation mode, observing whether the car stops stably at each floor without obvious gaps. Test the elevator’s re-leveling function (if equipped) to confirm that the sensor can trigger re-leveling when the car deviates from the level.
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Daily Inspection: Maintenance personnel should check the sensor during daily shaft patrols: Observe the sensor’s shell for damage, corrosion, or loose mounting; check the wiring and plug-in terminals for aging, wear, or loose connections; inspect the leveling plate for deformation, displacement, or heavy dirt that may affect detection.
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Regular Maintenance: Every 3 months, clean the sensor’s detection surface and the leveling plate with a soft, dry cloth to remove dust and stains (avoid using corrosive cleaning agents). Every 6 months, use a multimeter to test the sensor’s output signal stability; recheck the detection distance and calibration parameters, adjusting if there is any deviation. For elevators in harsh environments (high humidity, high dust), shorten the maintenance interval to 1 month.
Recommended Replacement Cycle for Elevator Leveling Sensor YW-E4S-LS
As a core positioning component enduring long-term mechanical vibration, environmental erosion (humidity, dust, temperature changes), and continuous electrical signal transmission, the YW-E4S-LS elevator leveling sensor has a specified service life. Timely replacement is crucial to avoiding faults such as reduced positioning accuracy, signal interruption, or sensor failure—issues that may lead to the elevator stopping asynchronously with the floor, passenger tripping, or even elevator operation confusion.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily leveling times ≥ 300, shaft environment temperature -20–80℃, humidity 10%–95%), the recommended replacement cycle for the YW-E4S-LS elevator leveling sensor is 3–5 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, component aging tests, and global user feedback on elevator positioning systems.
2. Adjustments for Special Scenarios
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High-Traffic & Harsh Environments: For elevators in high-traffic locations (e.g., large airports, central shopping malls) with daily leveling times ≥ 800, or in harsh environments (e.g., high-humidity coastal areas, high-dust industrial sites), the replacement cycle is shortened to 1.5–2.5 years. Frequent operation accelerates the aging of internal electronic components, while harsh environments cause shell corrosion and signal interference.
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Low-Frequency Use & Stable Environments: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable shaft environments (constant temperature and humidity), the replacement cycle can be extended to5–6 years—only after Nanjing Zhuye Elevatorparts’ technicians inspect and confirm that the sensor’s positioning accuracy, signal stability, and structural integrity meet factory standards.
3. Immediate Replacement Conditions
Replace the YW-E4S-LS elevator leveling sensor immediately if any of the following issues occur, regardless of its service life:
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The elevator’s leveling error exceeds 5mm, and the fault persists after re-calibration and maintenance, indicating the sensor’s positioning accuracy is unqualified.
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The sensor has no output signal or the signal is intermittent, leading to the elevator failing to stop at the floor or stopping abnormally.
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The sensor’s shell is severely corroded, cracked, or deformed, exposing internal electronic components and posing electrical safety hazards.
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Professional testing confirms that the sensor’s response time exceeds 50ms, failing to meet the elevator control system’s real-time positioning requirements.
In conclusion, the Elevator Leveling Sensor YW-E4S-LS from Nanjing Zhuye Elevatorparts is a high-quality, highly compatible positioning component tailored for modern elevator systems. By following the correct selection, installation, maintenance, and replacement guidelines, elevator maintenance teams can effectively ensure the elevator’s precise leveling, enhance passenger ride comfort and safety, and minimize downtime. Choosing Nanjing Zhuye Elevatorparts means you get 100% authentic YW-E4S-LS leveling sensors, plus professional support—including model matching, on-site installation and calibration guidance, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for the precision positioning of your elevator system.
