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Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

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Product Overview

Description


Product Description
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Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

Self-built server
If you have your own servers
ZHL4921W can communicate directly with the client server after simply configured. The ZHL4921W follows the Modbus RTU/TCP protocol and also supports 485-channel transparent transmission protocols. 
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

If you don't have a Cloud Server
When some customers use the configuration software, they can't directly connect the PC and S485. The ZHL4921W supports the ZH-Cloud transmission. The customer only need to install the virtual serial port, the data of the ZHL4921W can be forwarded to the local serial port of the PC, which is more convenient and quick.
(Also applicable to scenarios without a cloud server)

Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

Configuration software docking

ZHL4921W has an RS485 interface, which supports the standard modbus RTU/TCP protocol. The
configuration software can directly read and command the ZHL4921W through the RS485 interface.

Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

The ZHL4921W supports networking functions and supports one-to-one and multiple-to-one networks. This need is very practical for some specialization scenarios.

Analog auto-calibration threshold reporting.
The ZHL4921W presets the analog linear calibration parameter value, the user only needs to modify the k/b value to achieve the linear calibration effect. In addition, the effect of analyzing the analog data can be realized by adjusting the k/b value, and the threshold will be reported.


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Product Applications
Battery Tester M2M Gsm Module WiFi Port Terminal Server 4~20mA Analog RTU Data Logger IOT Router ZHL4921W RS485 to MQTT DTU 165

DTU/RTU Modem is required in many places. Such as factory reservoirs, reservoirs for irrigation of farmland, water towers for water supply, water levels for rivers, etc. It is important to monitor the water level remotely. Customized Dry Wet Node Detection RTU Modebus IO Gateways Serial WiFi Port Terminal Server IOT Router ZHL4921W has a built-in GPRS module that can receive the water level value returned by the water level detector and transmit the data to the monitoring center.
Complete the on-site data acquisition and upload function with the water level detector. Suitable for complex terrain and remote mountainous conditions, it can be used in pool water level monitoring, water tower water level monitoring, water tank water level monitoring, reservoir water level monitoring, river water level monitoring, natural gas storage tank liquid level monitoring, and oil storage tank liquid level monitoring.
Product packaging
Company Profile
Chengdu Zongheng Intelligent Control Technology Co., Ltd.
We are a high-tech enterprise specializing in R&D, production and sales of IoT communication control terminal products and related overall solutions.The founders of the company are all masters of Electronic Science and Technology University and have working experience in ZTE, Huawei, Siemens and other companies.They have rich practical experience in software and hardware R&D and project management. Since the establishment of the company, the company has applied for nearly 20 patents and software copyrights.
Exhibition
FAQ
Q1: Are you a manufacturer or a trading company?
A1: We are the Manufacturer with years of R&D experience.
Q2: What about the delivery time?
A2: For regular order it takes about 3-6 days for production, for mass order or customized order it may need 15-30 days.
Q3: What is your delivery terms and payment terms?
A3: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you.
Q4: After service and warranty?
A4: We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person.
Q5:How can we know the product quality?
A5: We have professional QA and QC teams, 100% quality inspection is performed before the goods out of the factory.
Q6:Can I have a small order? what's ur MOQ?
A6: Welcome to order sample to test and check quality. MOQ is 1 for normal item.
Q7: If I am not familiar with the operation, do you have a manual to help?
A7: Our Software, User Manual and Programme case can be downloaded freely on our official website, or you could consult the sales for those documents. Meantime, we have engineers team who could do help on your technician problem and give you useful solution.
Q8: Does your factory have the design and development capabilities, can you factory accept customized products?
A8: Our R&D department are well experienced in the IoT industry, We can make customized products especially for you.
Please kindly contact us for more.

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