# RBBW-I Battery Insertion Ultrasonic Water Meter

> Machine-readable summary of https://www.rbflowmeter.com/products/rbbw-i-battery-insertion-ultrasonic-water-meter — generated from the same product record the HTML page renders.
> R&B Instrument Inc..

## Facts

- **Model:** RBBW-I
- **Category:** Ultrasonic Flow Meter
- **Canonical page:** https://www.rbflowmeter.com/products/rbbw-i-battery-insertion-ultrasonic-water-meter
- **Language:** en
- **Last updated:** 2026-10-18
- **Brand:** R&B Instrument Inc.

## Overview

Battery-powered insertion ultrasonic water meter for agricultural irrigation and water supervision, with IP68 protection and no pressure loss.

## Description

### Product Overview

The RBBW-I is a battery-powered insertion ultrasonic water meter for agricultural irrigation, garden management and water supervision. Insertion mounting keeps pressure loss at zero, and the ultrasonic principle has no rotating parts, so accuracy holds up in water carrying gravel and weeds.

A built-in volume controller and time accumulator enable automatic, scheduled and quantitative water supply, while time-sharing flow accumulation supports gradient and rate-based billing.

## Specifications

| Parameter | Value |
| --- | --- |
| Diameter | DN65 / DN80 / DN100 / DN125 / DN150 |
| Accuracy | ISO 4064-2005 class 2 |
| Pressure | 1.6 MPa (2.5 MPa optional) |
| Temperature | Medium 0.1–30°C; ambient -10–45°C |
| Output signal | OCT×2 / TTL pulse; 4–20 mA; RS485/USART/infrared; M-Bus optional |
| Power supply | 3.6 V 19 Ah lithium battery, DC 8–36 V, or two-wire 4–20 mA |
| Protection | IP68 (submersible to 2 m) |

## Key specifications

- Accuracy: ISO 4064 Class 2
- Pipe size: DN65 ~ DN150
- Output signal: OCT×2/TTL pulse, 4-20mA, RS485/USART/IR (M-Bus optional)

## Features

- IP68 protection for the whole meter; works 2 m underwater.
- Ultrasonic measurement with no rotating or moving parts.
- Suitable for water containing gravel and weeds.
- Built-in volume controller and time accumulator for scheduled supply.
- Time-sharing flow accumulation supports gradient/rate billing.
- No pressure loss; liquid type has no influence on measurement.

## Contact

For pricing, lead time and customization, contact R&B Instrument Inc. via the product page above.