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EWD-H-XP2 Elevator parts load weighting device /load cell

EWD-H-XP2 Elevator parts load weighting device /load cell

Place of Origin : China
Brand Name : EST
Certification : ISO9001
Model Number : EWD-H-XP2
Price : USD1-25/SET
Packaging Details : 1 PC/Small box,50 PCS/ Carton
Delivery Time : 7-10 working days by DHL,EMS,Container ets
Payment Terms : TT, Paypal, Western Union
Supply Ability : 10000 piece /Month
Type : Elevator parts
Power supply : DC/AC 24V
Key words : elevator load weighting device
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Type EWD-H-XP2 Elevator Load Weighing Device


● This system is applicable to all elevators with movable car platform in need of overload signals. This device is of extremely high performance-price ratio. This appliance is to overcome the inherent disadvantage of the mechanical overload switch and to replace it.

  • Main characters:
  • 1.Working in a contactless and inductive way. No mechanical movement itself. Being directly installed in the original place of overload switch. No necessity of changing the mechanism of elevator car.
  • 2.Adopting strong inductive magnet, improving the anti-interference of the system to the utmost.
  • 3.The electrical property is in compliance with the standard of the International Electro-technical Commission (IEC).
  • 4.Rated relay dynamic open, overload relay -dynamic close and output-break are easy for customers to use.
  • 5.More accurately positioning, small overall size, easy installation and adjustment, simple structure and low price.
  • Application Range

    Applicable to all elevators with movable car platform in need of overload signal with a inspection clearance of 8~15㎜.



    Overload turning point≤Rated load adjusting point±0.05㎜

    Rated load→overload retention gap≈0.50mm


    System Error

    ≤1.5% (5~40℃)


    Output Mode

    1 pair of relay dynamic CLOSE or dynamic OPEN contacts respectively with the capacity of DC/AC 48V/500mA.


    Operation Ambient Temperature



    Power Supply

    AC/DC 24V(±10%)/15mA. The operating current of the whole machine≤100 mA.


    Install Position

    Movable elevator car platform


    Overall Size

    Column of Φ24×83 mm

  • Working Principle:

This system weighs the elevator car load based on the principle of the elastic deformation of movable elevator car platform caused by loading with the HALL sensor measuring the change of displacement, fulfilling the aim of load weighing.


  • 1.Please refer to the above figure to install this device with the connecting support (made by the customer himself) closing the middle part of the car platform as near as possible.
  • 2.Let the magnet adhesive on the car platform with the marking-face right facing the induction point of the device.

  • 3.Install and adjust this device so that the magnet on the car platform aiming at the center point of its upper face. Meanwhile, assure the end face of this device in parallel with that of the magnet.
  • 4.When elevator is of rated load, adjust this device up and down to make the indicator just turn green, red one turn down , at this time, fasten this device and the adjustment is finished.
  • 5.At the time of overload, indicator of this device keeps green and red on.

  • The principle of system wiring:

Do use the Dyn. Open or Dyn. Close at the same time with full load

or overload when system wiring, avoiding cross using.




Red, black(gray)

System Operating Power

Operating Power AC/DC24V(±10%)/100mA

White (brown)


Full load relay

Dyn. close contact

contact capacity:DC/AC 48V/500mA


Dyn. open contact



Overload realy

Dyn. close contact


Dyn. open contact

Attention : Output wire of this device must not be connected with external power supply to avoid everlasting damage.

  • Others:

Accessory: Inductive magnet [20×20×3mm3] 1 piece Fastening Nut Φ4X20 : 2 sets

If there is any abnormality during adjustment or operation, contact our company directly.

  • Attention:

1. The inductive magnet is specially made of rare earth magnet with strong magnetism for this product. Take special care in the course of installation. Don’t let it close to the high temperature above 100℃ to avoid demagnetization and our company will not be responsible for the personal hurt and equipment damage arising from this.

2. It is suitable for massive purchase.

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