HL-PW Series led display for weighing scale indicator external display

HL-PW Series HD White Red Font LED Weighing External Large Screen Weighing display

Features:

1. One-piece DB15 connector, stable and reliable

2. Independent research and development control system, power interface and communication interface are equipped with TVS surge protection device, which is more stable and reliable. The communication interface uses optical isolation technology. The main control chip uses a 32-bit arm processor, clocked at 108M, and has strong performance to support u disk upgrade firmware and change advertising. Bluetooth and LORA wireless modules are also available.

3. Bluetooth module The main control uses TI's cc2541 BLE 4.0 Bluetooth chip

4.LORA module The main control adopts SX1278 lora spread spectrum chip, low power consumption and long distance.

Product parameters

Supply voltage: AC 85V to AC 265V

Transmission mode: Support 20ma current loop / RS232 / 485 (optional) / LORA wireless (optional) four modes, the factory default current loop.

Serial port baud rate: 600, 2400, 4800, 9600, default is 600. The default large-screen connection weighbridge display uses a 15-pin plug (pin), a 9-pin positive, and a 10-pin negative.

Protective performance: 3 inches 5 inches for indoor waterproof design, 7 inch 12 inch for outdoor waterproof design

Nstallation Notes

(1) Wired big screen

With 2m power cord and 10m data cable, after the power is turned on, the data cable can be connected to the weighbridge display, no need to debug, plug and play.

(2) Wireless large screen

Shipping accessories 1 large screen (built-in wireless receiver), 1 wireless transmitter box, 1 power supply box, and 2 antennas.

Installation instructions: The wireless transmitter box + power + antenna 1 is assembled and connected to the weighbridge display.

The large screen + antenna 1 group is assembled and connected to a 220V power supply. No need to debug, plug and play. The wireless screen sync weight has a delay of 0.2 to 4 seconds (the communication speed is inversely proportional to the communication distance and needs to be set before shipment).

Note:

The wireless transmission distance is less than 1000 meters, and the distance is unobstructed and 4db antenna. The actual transmission distance depends on the environment, antenna gain, and wireless module settings.

FAQ

Q: Are you a trading company or a manufacturer?

A: We are factories.

Q: How long will you give me?

A: We will contact you within 8 hours as soon as possible.

Q: How long is your delivery time?

A: If the goods are in stock, delivery is usually within 5-10 days. Or about 15 days if the goods are not in stock, calculated according to the order quantity.

Q: Is your product quality guaranteed?

A: Yes, our products can only be released after at least two quality inspections have been passed. After the company and the company’s factory have actually inspected the factory of Alibaba’s Northwest China headquarters, the products are allowed to be sold at the Alibaba International Station. To provide users with quality products and pre-sale service.

Company culture

  Xi'an haolong Electronic Technology Co., Ltd. is headquartered in Xi'an National Hi-tech Industrial Development Zone, is a high-tech enterprise specializing in R&D, manufacturing, and sales of sensors, transmitters and related instruments. The current product category of the company involves the measurement of pressure, liquid level, ultrasonic wave, flow rate, temperature, and weighing. The core products have passed the European Union CE certification and other international authoritative organizations certification, some products have been explosion-proof flameproof certification, OIML certification.

  Since its inception, the company has always been guided by the needs of users and based on product quality. Thank you for your trust and support to haolong. Your trust and support for haolong are the driving force for haolong's advancement!

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