
Water Meters

FlowIQ 2101
The FlowIQ 2101 compact hot-and-cold-water meter for small nominal pipe sizes DN 15 and DN 20 is suitable for precise consumption and flow measurement in household and commercial applications. The FlowIQ 2101 is constructed of molded composite plastic as a hermetically sealed vacuum chamber to fully protect the electronics from water ingress. Available with M-Bus interface as standard and ideal for a small budget. With leakage detection and drinking water approval (GDPR).
Features
- Ultrasonic flow sensor with MID approval
- Standard with M-Bus output
- Installation independent of position
- High measuring accuracy
- No wear and long service life
- Up to 16 years battery life
- Drinking water approval (GDPR)
- Ideal for connection to the Efficio energy management software
Variants
FlowIQ 3100
The robust cold-water meter for nominal pipe sizes DN 15 to DN 100 is ideal for commercial and industrial applications. Bidirectional ultrasonic technology minimizes the risk of wear and tear and provides the highest measurement accuracy at both high and low flow rates. The FlowIQ 3100 offers communication interoperability for remote reading as well as leak detection to limit water losses at end user locations. With leakage detection and EU GDPR drinking water approval.
Features
- Nominal flow rate from 1.6 m3/h to 100 m³/h
- Approved with a dynamic range of up to R400
- Drive-by, fixed network, or IoT
- Highest measurement accuracy
- Designed for underwater operation
- Wireless M-Bus and Wired M-Bus support integrated communication
- Long lifetime and easy installation
- Complies with GDPR
Variants


Clamp-on Flow Meters
The acoustic attachable flowmeter is suitable for fixed installation for continuous measurements. Two ultrasonic transducers are mounted on the pipe and connected to the electronic unit by a signal cable. Thanks to this strap-on technology, these ultrasonic transducers can be installed in just a few minutes. Time-consuming cutting of the pipe is not necessary. This means that pressure losses and process downtimes can be avoided, and operating costs optimized.
The meter uses the proven and precise ultrasonic transit time difference method. By using the latest digital signal processors, the flow sensor operates extremely accurately and virtually drift-free.
Since the sensors do not come into contact with the medium, the measurement is 100% contamination-free and thus absolutely hygienic. This is particularly interesting for volume measurements of food and pharmaceutical products. When measuring toxic or environmentally harmful liquids, there are no additional sealing surfaces or dead volumes.
Features
- Fixed ultrasonic flowmeter
- Measurement of ultrasonically conductive liquids including temperature recording
- Liquid and viscous media
- Flow and heat quantity measurement
- Continuous flow: –30…+30 m/s²
- Medium temperature: –40…150°C
- High measuring accuracy
- Communication interface (option) Modbus RTU or M-Bus
- Retrofittable without interruption of operation
- Hygienic measurement
- Fast installation and commissioning
Technical data
Measurement method | Ultrasonic transit time difference |
Signal processing | DSP based, cross correlation |
Measured quantities | Volume flow, flow velocity, heat output, sound velocity of the fluid, heat quantity with optional PT100 |
Meter | heat quantity, volume |
Measuring range | –30…+30 m/s |
Calibration function | PT100, flow rate |
Signal damping | 0…100 s (adjustable) |
Diagnostic functions | Sound velocity, signal strength, SNR, signal quality, amplitude, energy Signals can be shown graphically on the display |
Operation | Intuitive via 6 main keys (soft keys) |
Languages | D, EN, FR, RU, ES, CHN |
Units | Metric/UK/US |
Outputs | 2× 4…20 mA (active or passive, potential reference) 1× pulse (potential reference)
1× relay (potential-free) 1× optional RS232 or RS485 |
BUS communication | ModBus (RTU, ASCII) via optional RS485 interface (Format: Request, Function 04) |
Inputs | 2× US converter, 2× PT100 (for heat quantity measurement) |
Power supply | 90…264 V AC, optional 18…36 V DC |
Protection class | IP 65 |
Cable connections | Screw terminals |
Dimensions (W × H × D) in mm | 260 × 240 × 120 |
Calibration | ISO 9000-based factory calibration certificate on request |
Variants
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CLAMPON ULTRASONIC Item number: 003520 Set of ultrasonic transducers 1 MHZ consisting of
2 single ultrasonic transducers for stationary applications
Protection class: IP68, pipe sizes: DN32-DN400
Medium temperature: -40….150°C
Incl. mounting rail and stainless steel band
Incl. high temperature resistant coupling gel
Signal cable (1 pair) 10m*
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CLAMPON ULTRASONIC-TRANSDUCER Item number: 004859 Set of ultrasonic transducers 4 MHZ consisting of
2 single ultrasonic transducers for stationary applications
Protection class: IP68, pipe sizes: DN10-DN100
Medium temperature: -40….150°C
Incl. mounting rail and stainless steel band
Incl. high temperature resistant coupling gel
Signal cable (1 pair) 10m*
* Other cable lengths on request