commercial prepaid water meter R100 with STS Keypad Control

Oct 30,2026

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A commercial prepaid water meter is used where water revenue has to be collected before consumption, and Kaifeng Xintai Valve Co., Ltd. supplies the R100 STS Keypad Prepaid Water Meter for this kind of project. The product page describes the R100 as a domestic water meter for revenue collection and consumer management, and the meter complies with the STS standard. It is a keypad type, automatically valve controlled, multi-jet prepaid water meter.

The meter can be topped up by vending software with a 20-digit token and can communicate with an AMI system through a LoRa or LoRaWAN module. Features listed on the page include automatic valve open and close, a real-time clock, flexible tariff and debt collection settings, anti-magnetic tamper protection, magnetic field protection, a pre-programmable low credit warning and recharge by entering the 20-digit token on the keypad.

The R100 is available in DN15, DN20 and DN25 calibers. Length is 165mm, 190mm or 225mm, width is 99mm, 99mm or 103mm and height is 104mm, 106mm or 114mm. Connecting threads are R1/2, R3/4 and R1, and the case diameters are R3/4, G1 and G1 1/4. The range ratio is R100. The meter body can be brass or plastic.

Payment options listed for the commercial prepaid water meter include token, mobile, POS and electronic bank payment. The LoRa or LoRaWAN communication is optional and is provided through the customer interface unit. A buyer should confirm the caliber, the body material, the communication option and the vending software with the supplier before the order, because these choices affect installation and the reading system.

For a property or a utility that needs a commercial prepaid water meter, the meter should be matched to the pipe size, the expected flow and the local payment method. The page gives the dimensions and the R100 range ratio but does not list the full flow curve, so the buyer should request the flow data and the pressure loss for the selected caliber before approval.

For a quotation on the R100 commercial prepaid water meter, contact Kaifeng Xintai Valve Co., Ltd. by email at info@xintaimeter.com or XintaiValve@163.com, or by WhatsApp at +8615537820136 for prepaid meters and +8613693789508 for smart meters.