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Previously, the wiring of KH had to distinguish between 2W and 3W. The new BL Coulomb meter only needs to consider connecting positive and negative electrodes, making the wiring simpler than before.

JUNCTEK has launched a new battery monitor with waterproof function and simpler wiring. Anyone interested can watch this video. https://www.youtube.com/watch?v=jxWY4RNY0t8

Very good modification

Hello, conventional machines can only connect one display screen; If the circuit of the measurement module can be modified to connect to the display simultaneously, but only one of these two displays can set data, and the other can only display data

A KH machine can only be connected to one display. There are 2 interfaces on the measurement module. One is "RS-485 DISPLAY" for connecting to the display, and the other "RS-485 LINK" is used for connecting to 485 communication.

It is expected that a coulomb counter with wifi function will be launched by May 2021

The Bluetooth device of KH160F is located in the host computer, and one host computer can connect up to 2 monitors.

GOOD JOB

JUNCTEK has an RJ9 port.

The housing of the KH140F diverter can be removed Disconnection of the display does not affect data transmission.

I bought the KH140F,https://www.aliexpress.com/item/1005005293126063.html which should be an upgraded version of the KG series. It has an audible alarm function, and you can know whether it is overvoltage or undervoltage without adding a relay. The relay consumes about 0.25A of current in...

我在 Google Play 商店或 Apple Store 中搜索“KH-F”来获取该应用程序

https://community.home-assistant.io/t/juntek-kg-f-series-on-ha/443741/6 希望这对你有帮助

I have a junctek KH140F, I use it on my three-wheeled electric car, it is very convenient to use it to check the battery level, it may be the reason why I am often fully charged, the remaining battery percentage is accurate.

It may be that the storage data space is full due to long-term non-use.

Coulomb calculation with a shunt can accurately monitor the battery power, because its working principle is to record the current * time, the charging time capacity increases, the discharging time capacity decreases, and the relative voltage measurement is accurate

The communication line is RJ9, is there anyone willing to share some experience of working with HA online?

Please brush the firmware first, open the mobile APP - After Sales (8610) - Firmware Update (526), and complete the firmware upgrade before exiting the mobile APP; The new firmware has increased the default protection and recovery time by 100 times, which was originally 99 seconds. After the...

About this problem, I gave feedback to the technical staff of JUNCTEK. They said that they will modify a custom firmware recently, and change the protection recovery time to 0-99999 seconds, which can be adjusted. Enough charging time of the battery, and then close the discharge circuit.

Please contact JUNCTEK after-sales email lee@junteks.com, if the motherboard is faulty, he will provide a new motherboard and send it to your home.

Compared to KG, KH has made the following upgrades: 1. Add a splitter shell for insulation protection; 2. The monitor is equipped with a built-in buzzer, and protection functions such as overvoltage, overcurrent, and overheating will alarm and remind; 3. It can display the specific time on the...

我找到一张$5优惠券：AFOUUCC0PB76 https://www.aliexpress.com/item/1005005293126063.html?spm=a2g0s.12269583.0.0.6cae5fa2AHhDhj

Video introduction of the KG upgrade.

Yes, you need to use the APP when the mobile phone is connected by bluetooth It is recommended to use their communication protocol for communication http:// 68.168.132.244/KH/Manual_en_zx.pdf

The 485 communication of this product provides the communication protocol, but does not provide the host computer software http:// 68.168.132.244/KH/Manual_en_zx.pdf

Victron product is good, it has the performance of discharge current constant, according to different discharge current regulation capacity, but the price is too expensive, the name of JUNCTEK may be the Chinese pronunciation of the manufacturer’s name

KH140F电量监测仪采集双向电流检测方式，充电时容量增加，放电时容量减少

https://it.aliexpress.com/item/1005005293126063.html?spm=a2g0s.12269583.0.0.5272e41aHAFlP2&gatewayAdapt=glo2ita $5 promo code ：GQHKNHT2W44D

The diameter of KG140F and KG160F copper screw is 10mm, and the diameter of KG110F copper screw is 8mm

This is RJ9 4P connector

I see that there is an upgraded version on the market, which adds a shell to the diverter, and also adds an audible alarm reminder.

The data can be read through 485 communication, and the communication protocol is at the bottom of the specification;

As for this product, do you have any ideas for improvement? I contacted their engineers and said that they were designing the second generation KG140F recently

Your modification is really great, great work!