To Next PageTo Next Page
Need help?Do you have a question about the Diehl Hydrus 171B and is the answer not in the manual?
General| Type | Ultrasonic Water Meter |
|---|---|
| Protection Class | IP68 |
| Communication | M-Bus, Wireless M-Bus, LoRaWAN |
| Accuracy | Class 2 |
| Medium Temperature Range | 0.1°C to 50°C |
| Output Signals | Pulse, M-Bus |
| Power Supply | Battery |
| Material | Brass |
Provides an overview and essential instructions for installing the ultrasonic water meter.
Illustrates installation length requirements based on different DN (Diameter Nominal) sizes.
Identifies critical components such as the compensating ring and non-return valve.
Emphasizes the importance of the meter seal and adherence to installation standards.
Recommends procedures for safe transport and storage of water meters to prevent damage.
Outlines steps for pipe flushing, correct meter orientation, and avoiding air bubbles.
Covers avoiding mechanical stress on the meter and proper fitting installation techniques.
Provides instructions for the correct installation of non-return valves and coupling fittings.
Details regarding single or dual battery configurations and their expected lifespan.
Explains cable pinouts for different variants and precautions for galvanic isolation.
Describes the types, variants, and wiring for pulse output signals.
Explains how consumption data is stored and accessed based on set due dates.
Lists and describes available communication interfaces such as Optical, Radio, and M-Bus.
Details the meter's LC display, operational symbols, and touch button interface.
Provides a comprehensive list and explanation of error codes and alarm messages.
Provides guidance on the proper and responsible disposal of the water meter.
Refers to the official declaration of conformity for MID (Measuring Instruments Directive) meters.
