mag-flux® HTL
The mag-flux® HTL, developed based on DIN 14462:2023-07 and DVGW worksheet W405, enables measurement and recording of pressure, flow, and total volume with cutting-edge software and app – crucial parameters for preventive fire protection to check the efficiency of hydrants. Using Wasserkarte.info, data from the mag-flux® HTL can be transferred and evaluated on a mobile device. Measurement protocols and diagrams can be displayed directly as a preview, and maintenance plans created. The mag-flux® HTL with Wasserkarte.info offers a comprehensive solution from digital documentation, planning, localization, performance testing to maintenance.
The measuring process can now be controlled via the well-readable display or through the proven software and app of the company wasserkarte.info. All measurement data for pressure, flow, temperature, and turbidity¹ are transmitted live from the hydrant tester to the app. The measurement protocols and diagrams are displayed directly as a preview. The comprehensive solution for hydrant maintenance from digital documentation, planning, localization, performance to maintenance.
¹ Turbidity measurement is carried out using a separate sensor connected to the mag-flux HTL.
Hydrants are fixed water withdrawal points for preventive fire protection. Water suppliers, municipalities, or cities are responsible for ensuring the provision of firefighting and drinking water in the required quantity.
Requirements:
DIN14462:2023-07
DIN14462:2023-07 deals with the planning, maintenance, and upkeep of hydrants and firefighting water systems. It requires annual determination of water flow, flowing and static pressure, and documentation of the determined performance values.
DVGW Worksheet W 405
The DVGW Worksheet W 405 deals with the provision of firefighting water through the public drinking water supply. This technical standard describes guidelines for firefighting water needs, considering building use and the risk of fire spread.
Further areas of application:
Beyond the hydrant performance measurement, the mobile flowmeter can also be used for the following applications:
1.7 m inlet hose
mag-flux® HTL
Control valve
Pressure reducer (flush box)
Using the Wasserkarte App, the hydrant / measuring point is selected (in this example, using a QR code). Subsequently, the Bluetooth connection to the measuring device is established.
Once the connection is made, a new entry (measurement) is selected.
As soon as the hydrant measurement can begin, it is simply started using the Wasserkarte App (alternatively on the measuring device). The measured values are displayed online on the measuring device and the Wasserkarte App in a graph or table.
Once the measurement is completed and synchronization has taken place, the measured values can be viewed online and conveniently processed further.
For precise, safe, and reproducible measurement, the devices should be recalibrated at the factory at intervals of 24 … 36 months. Key points for determining the calibration interval include:
These points are to be determined and monitored by the user within the recommended timeframe of 24 ... 36 months.
For measuring instruments used for regular inspection, occupational safety verification, quality assurance of products and services, as well as under extreme environmental conditions, we recommend calibration after 12 months.
Portable hydrant testing device for measuring pressure and flow, optionally also temperature and turbidity in nominal sizes from DN 50 … DN 150 for flow rates of 0 … 763 m³/h (12,723 l/min).
Control valve (slide valve) for precise regulation of the flow in nominal sizes DN 50 … DN 100
The stainless steel pressure destroyer (flush box) allows the safe flushing of hydrants and discharge of the flow rate in nominal sizes DN 50 … DN 100 for flow rates from 217 m³/h … 339 m³/h.
The transport case protects the devices up to DN 150 from dust, water, and damage, making it ideal for storing the high-precision measuring devices and sensors.
With the fire hoses incl. Storz coupling (Storz B) according to DIN 14811 in lengths of 0.5 m … 5.0 m, the hydrant test can be flexibly carried out, even with hard-to-reach hydrants.
| Measurement Accuracy | |
|---|---|
| Flow | ±0.5% of the reading |
| Pressure | ±0.25% FS |
| Process Conditions | ||
|---|---|---|
| Pressure range | -1 … 16 bar (-14.5 … 232 PSI) | |
| Process Connections / Nominal Sizes / Flow Rates | |
|---|---|
| Storz C (nominal width DN 50/2"), rotatable | 0 - 84.8 m³/h (0 - 1413 l/min.) |
| Storz B (nominal width DN 65 / 2½"), rotatable | 0 - 143 m³/h (0 - 2390 l/min.) |
| Storz B (nominal width DN 80/3"), rotatable | 0 - 217 m³/h (0 - 3619 l/min.) |
| Storz A (nominal width DN 100/4"), rotatable | 0 - 339 m³/h (0 - 5655 l/min.) |
| Storz F (nominal width DN 150 / 6"), rotatable | 0 - 763 m³/h (0 - 12723 l/min.) |
| Operating Conditions | |
|---|---|
| Medium | Water |
| Minimum Conductivity | >50 µS/cm |
| Media Temperature | 1 °C … 40 °C (33.8 °F … 104 °F) |
| Flow Velocity | 0.25 … 12 m/s |
| Certificate of Measurement Accuracy | |
|---|---|
| Pressure | with |
| Flow | with |
| Structural Design | |
|---|---|
| Measuring | Principle electromagnetiv with pulsed DC field |
| Measuring Tube | PVC |
| Coil Space | PVC |
| Measuring Tube Lining | PVC |
| Electrode Material | Stainless Steel |
| Housing | Aluminium |
| Weight | 14 … 30 kg (30.8 … 66.1 lbs), depending on nominal width (DN 80 = 14.8 kg (32.6 lbs)) |
| Protection Class | IP 54 |
| Display | 5 inch LCD, illuminated |
| Operating Duration | up to 24 hours |
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