- Chamber head (fast response time)
- Flow and temperature signal
- Probe length 250 … 1,000 mm
- Remote sensor (optional)
- Measuring ranges 0 … 2.5 m/s to 0 … 60 m/s
- Pulse output
- Profi-BUS DP-V0 and DeviceNet (optional)
- Pressure resistant up to 16 bar
- Temperature range up to +350 °C
In many areas the measurement of flow velocity and/or volume flow at higher temperatures of up to +350 °C is very important in terms of energy efficiency, quantity detection and plant control.
Mechanically rugged, precise and long-term stable measurement values as well as different installation sites
- Burner control
- Drying processes
- Sterile tunnel
- Combustion air
- Process technology
Accessories
Connection technology
| Description | Article-Number |
|---|---|
| Connecting cable 8-pin with coupler socket, length 5 m, open cable ends | 524 921 |
| Coupler socket 8-pin with coupler socket, cable length selectable, (2 … 100 m; 1 m steps), cable end sleeves, free of halogen | 524 942 |
| Coupler socket 8-pin, with screw connections for cable ø 6 ... 8 mm | 524 929 |
| 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 |
|---|---|
| Compression fitting SS 20.651 HT-p = 350 °C | 525 734 |
| Welding sleeve, steel, G½, according to EN 10241, 5 pieces | 524 916 |
| Welding sleeve,stainless steel 1.4571, G½, according to EN 10241, 2 pieces | 524 882 |
| Assembly kit for pipe assembly suitable for MD 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 … 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 additional sum function and second measuring input | 527 330 |
| LED display MD 10.015, similar to 527 330 but with 24 V DC voltage supply | 528 250 |
| Technical data | |
|---|---|
| Measuring quantity | Standard flow velocity wN based on standard conditions 1) Medium temperature TM |
| Measured medium | Clean air or nitrogen, other gases upon request |
| Measuring range wN | 0 … 10 / 20 / 40 / 60 m/s |
| Lower detection limit wN | 0.2 m/s (at TM = 20 °C) |
| Measuring range TM | 0 … +200/+350 °C |
| Operating temperature | |
| Sensor head | 0 … +200/+350 °C |
| Electronics | -20 … +70 °C |
| Storage temperature | -20 … +85 °C |
| Material | |
| Housing | Aluminium, anodised |
| Sensor tube | Stainless steel 1.4571 |
| Sensor head | Platinum element (glass-passivated), ceramics |
| Compression fitting | Stainless steel 1.4571 or brass (depending on sensor option) |
| Measuring accuracy | |
| Standard wN | ±(3 % of measured value + [0.4 % of fmr; min. 0.08 m/s]) 2) |
| High precision (optional) wN | ±(1 % of measured value + [0.4 % of fmr; min. 0.08 m/s]) 2) |
| Response time (t90) wN | 3 s (jump of wN from 0 to 5 m/s in air) |
| Temperature gradient wN | < 8 K/min (at wN = 5 m/s in air) |
| Temperature TM (wN > 2 m/s) | ±2 K (TM = 10 ... 30 °C); ±4 K (remaining measuring range) |
| Recovery time wN | < 10 s (after temperature change of ∆ϑ = 40 K and at wN = 5 m/s in air) |
| General data | |
| Humidity | Measuring mode: Non-condensing (< 95 % RH); high relative air humidity in combination with high temperature can cause measurement deviations |
| Operating pressure (max.) | Atmospheric (700 … 1,300 hPa) / 16 bar (optional; over pressure) |
| Display | 4 x Duo-LEDs (green/red/orange) |
| Supply voltage | 24 V DC ± 20 % |
| Current consumption | Typ. 50 mA (without pulse outputs); max. 250 mA (including signal currents of all outputs) |
| Start up time | Approx. 10 s after switch-on |
| Analog outputs Type: Auto U / I) |
wN, TM 0 … 10 V / 4 … 20 mA (switching of signal characteristic depends on RL) -Voltage output (0 … 10 V): RL ≥ 550 Ω (short-circuit protected) - Current output (4 … 20 mA): RL ≤ 500 Ω - Change-over hysteresis: 50 Ω - CL ≤ 10 nF |
| Pulse outputs: Signalization | Standard: Frequency f ~ wN f = 0 … fmax fmax = 100 Hz (option: fmax = 10 … 99 Hz) Optional: Pulse quantity: 1 pulse/1 m3; 1 pulse/0.1 m3; 1 pulse/0.01 m3 (max. 100 pulses/s) |
| Pulse outputs: Technology | 1. Highside-driver (PNP, open collector) at protected supply voltage; not galvanically isolated) Short-circuit protected (analog): 100 mA High level: > supply voltage - 3 V Leckage current: IOFF < 10 µA 2. Semiconductor relay; output galvanically isolated Output voltage/current: Max. 30 V / 50 mA |
| Fieldbus (optional) | Profibus DP / DeviceNet |
| Electrical connection | Plug-in connector M12 (A-coded), male, 8-pole (shielded), screwed |
| Maximum cable length | Voltage interface / current interface / pulse outputs: 100 m Voltage mode: Use AGND and RL ≥ 10 k (mass offset) |
| Mounting position | Arbitrary (atmospheric; under higher pressure preferred horizontally) |
| Mounting tolerance | ±3° relative to flow direction (unidirectional) |
| Minimum immersion depth | DN25 ( also more, depending on the temperature of medium) |
| Power-up time | 10 s (after switching-on) |
| Protection type | Sensor probe: IP54; enclosure: IP65; electrical connector: IP67 (with correctly attached cable) |
| Protection class | III (SELV or PELV) |
| Probe length | 250/400/600/1,000 mm (for both versions: compact and remote probe) |
| Cable length (remote version) | Selectable: 1 … 10 m (step: 1 m) |
| Weight | 550 g max. (400 mm probe length) / 750 g (field bus version) |
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