Thermal flow sensor with integrated electronics for measuring flow velocity of air, especially designed for monitoring laminar flow of air in cleanroom facilities.
- Aerodynamically shaped dumbbell head with optimal flow properties, largely independent of direction
- Cleanroom compatible design in accordance with GMP standard to prevent surface contamination
- Operating status indication and serial number visible, even when sensor is installed
- Flow and temperature signal
- Probe length 300 … 1,000 mm (optional special length)
- Probe length angled version: 150 / 270 mm x 300 mm
- Measuring ranges 0 … 1 / 2.5 / 10 m/s
- Vertical adjustment (for laminar flow applications, optional)
- Coating (optional; sensor head only)
- Cleanroom sensor
New: Now also in short design: 150 mm x 300 mm (angled)
Option: Monitoring of admissible speed interval (prescribed by official standards) of 0.45 m/s ± 20 % with optical signaling at the sensor (LF status indicator)
- Laminar flow monitoring in cleanrooms
- Process control in pharmaceutical, semiconductor technology and food industry
- Use in isolators, flow boxes and sterile filling machines
Accessories
Connection technology
| Description | Article-Number |
|---|---|
| Coupler socket, 7-pins, with soldering terminals for cable-Ø 0.14 mm2 | 535 278 |
| Connecting 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 |
| Connecting 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 10.010 / 10.015, including pipe clamps and collar for adjustment to 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 … 230 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 40.450 - Set (8 / 12 / 16 mA) | 546 741-4 |
| Attachable protective clip for dumbbell head against mechanical influence, (stainless steel) | 531 026 |
| Attachable protective 2-wires-clip for protection against mechanical influences, stainless steel, H2O2-resistant | 559 124 |
| Technical data | |
|---|---|
| Measuring quantity | Standard flow velocity wN based on standard conditions sup>1) Temperature of medium TM |
| Measured medium | Air or nitrogen, other gases on request |
| Measuring range wN | 0 … 1 / 2.5 / 10 m/s |
| Lower detection limit wN | 0.06 m/s |
| Measuring range TM | -20 … +70 °C |
| 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 | 3 s (jump from 0 to 5 m/s) |
| Temperature gradient wN | < 2 K/min (at wN = 5 m/s in air) |
| TM (wN > 1 m/s) | ±1 K (10 … 30 °C); ±2 K (remaining measuring range) |
| Operating temperature | |
| Sensor | -20 … +70 °C |
| Storage temperature | -20 … +85 °C |
| Material | |
| Sensor head | PBT (glass-fibre reinforced), stainless steel 1.4571, protective coating (optional) |
| Sensor tube | Stainless steel 1.4404 |
| Connector plug | 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. < 60 mA / max. 100 mA (signal currents included) |
| Analog outputs (wN and TM) | 0 … 10 V (RL > 10 kΩ; CL ≤ 10 nF; short-circuit protected) 4 … 20 mA (RL < 300 Ω; CL ≤ 100 nF) |
| Error signal | Only current interface: 2 mA (according NAMUR NE43) |
| Electical connection | Connector M9, male, 7-pin (shielded), screwed |
| Maximum cable length | Voltage interface: 10 m; current interface: 100 m |
| Mounting position | Arbitrary (preferred in vertical down flow direction) |
| Protection type | IP65; electrical connector: IP67 (with correctly attached cable) |
| Protection class | III (SELV or PELV) |
| Probe length | Angled: 150/270 mm (vertical) x 300 mm (horizontal) Straight: Standard 300 mm; special length >300 … 1,000 mm (step: 10 mm) |
| Weight | 300 g max. (straight, 1000 mm, type 3) |
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