D-RX 250 combined probe sensor

Measurements

• Dust concentration
• Volume flow
• Pressure
• Temperature

Measuring ranges

• 0 ... 10 to 0 ... 500 mg/Nm³
• 0 ... 9 999 999 Nm³/h¹⁾
• 800 ... 1300 hPa
• 0 ... 200 °C, optional 0 ... 350 °C

Measuring principle

• Dust

Tribo electric

• Volume

Differential pressure

Sample gas temperature

Above dew point up to 200 °C, optional up to 350 °C

Sample gas humidity

< 80 %

Sample gas pressure

-200 ... +200 hPa

Duct diameter

0.3 ... 5 m

Ambient temperature

-20 ... +50 °C

Degree of protection

IP65

Measured value outputs

4 x 0/4 ... 20 mA, 500 ?
Modbus RTU (RS 485)

Digital outputs

7 relay outputs, permissible load 48 V/0.5 A

Digital inputs

6 isolated inputs

Accuracy

< 2 % of the measuring range

Detection limit

< 2 % of the measuring range

Reference point drift

< 1 % of measuring range / month

Zero point drift

< 1 % of measuring range / month

Auxiliary power

115/230 V AC, 50/60 Hz, 50 VA

Dimensions

• Probes

180 x 180 x (340 + probe length) mm

• Probe length

250/400/700/1 000 mm

Weight

• Probe

9.5 kg

• Electronics

22 kg

Options

Probe back purging, purge air supply

3 bar

Isolator purging, continuous purge air supply

Approx. 2 m³/h