Doubled validation of laminar flow
(registered design)
Thermal duplex flow sensor for redundant validation of laminar flow applications at one measuring point.
- Redundant validation of laminar flow applications
- Two independent, full-fledged flow sensors in one unit
- Easy installation at one measuring point
- No mutual influence of measurements
- Confined space becomes a minor matter
- ‚Plug and Play’ combined with quick assembly
- Precise measurement of low flow velocity [wN]
- Straight and angled design for wall and ceiling mounting
- Probe length straight version: 300 mm
- Probe length angled version: 150 / 270 mm x 300 mm
- Measuring ranges 0 … 1 m/s to 0 … 2.5 m/s
- Cleanroom sensor
- Extremely compact (electronics are integrated in tubes)
- Sensor element protected against mechanical stress
- Linear analog output for measured value output
- Serial number of sensor is visible when installed
- Special version for laminar-flow monitoring in cleanrooms with quick-mounting system for simple installation beneath a ceiling systems or at walls
- Laminar flow monitoring in cleanrooms
- Flow monitoring in pharmaceutical production, semiconductor manufacturing, food production, LCD manufacturing and optical industry
- Integration into insulators, FFUs and flow boxes
Accessoroes
Connection technology
| Description | Article-Number |
|---|---|
| Coupler socket, 7-pin, with soldering sleeves for cable-Ø 0.14 mm² | 535 278 |
| Connection cable with coupler socket, 7-pin, 5 m length, open cable ends, material PUR | 535 279 |
| Connection cable with coupler socket, 7-pin, length selectable (2 … 100 m; 1 m steps), open cable ends | 505 911 - 4 |
| Connection cable with angled socket, 7-pin, 10 m length, open cable ends, material PUR | 535 281 |
| Power supply unit: output 24 V / 1A DC, supply voltage 115/230 V AC (strip terminal) | 535 282 |
Mounting and fixing technology
| Description | Article-Number |
|---|---|
| Assembly kit for pipe assembly suitable for MD 10.010/10.015, including pipe clamps and collar for adjustment for pipe diameter | 531 394 |
Measured value display
| Description | Article-Number |
|---|---|
| LED display MD 10.010 in wall housing to show volume flow and flow velocity, 85 … 250 V AC and sensor power supply | 527 320 |
| LED display MD 10.010, similar to 527 320 but with 24 V DC voltage supply | 528 240 |
| LED display MD 10.015, similar to 527 320 but with an additional sum function and a second measuring input | 527 330 |
| LED display MD 10.015, similar to 527 330 but with 24 V DC voltage supply | 528 250 |
Miscellaneous
| Description | Article-Number |
|---|---|
| Calibrator MK 40.415 - Set (8 / 12 / 16 mA) | 546 741 - 4 |
| Technical data | |
|---|---|
| Measuring quantity | Standard flow velocity wN based on standard conditions 1) |
| Measured medium | Clean air or nitrogen, additional gases on request |
| Measuring range wN | 0 … 1 / 2.5 m/s |
| Max. display range wN | +10 % above measuring range |
| Lower detection limit wN | 0.05 m/s |
| Measuring accuracy | |
| Standard wN | ±(3 % of measured value + 0.05 m/s) 2) |
| High precision (optional) wN | ±(1 % of measured value + 0.04 m/s) 2) |
| Response time (t90) wN | 5 s |
| Operating temperature | |
| Sensor | 0 … +60 °C |
| Storage temperature | -20 … +85 °C |
| Material | |
| Sensor head | Stainless steel 1.4404 |
| Sensor tube | Stainless steel 1.4404 |
| Plug connector, nut srew | Stainless steel 1.4404 |
| Light ring | PC |
| General data | |
| Humidity | Measuring mode: Non-condensing (< 95 % RH) |
| Operating pressure (max.) | Atmospheric (700 … 1,300 hPa) |
| Supply voltage | 24 V DC ± 10 % |
| Current consumption | Typ. 32 mA / max. 45 mA (including all signal output currents) |
| Analog outputs wN,A & wN,B | 0 … 10 V (RL ≥ 10 kΩ; short-circuit protected) 4 … 20 mA (RL ≤ 300 Ω>br> CL ≤ 10 nF |
| Error signal | Only with current interface: 2 mA (according to NAMUR NE43) |
| Electrical connection | Plug-in-connector M9, male, 7-pin (shielded), screwed |
| Maximum cable length | Voltage interface: 10 m Current interface: 100 m |
| Mounting position | Straight: ±3° relative to flow direction Angled: Vertical downdraft flow (per design) |
| Protection type | Sensor: IP65; electrical connector: IP67 (with correctly attached cable) |
| Protection class | III (SELV or PELV) |
| Sensor length | Angled: 150/270 mm (vertical) x 300 mm (horizontal) Straight: 300 mm |
| Weight | Approx. 250 g (angled design with 270 mm x 300 mm) |
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