Products | Modulating digital sensors RedCos.. 
Modulating digital sensors for Ex-areas
ATEX 94/9/EC | zone 2, 22
Differential pressure-/VAV-Sensors ΔP
Measurements in mm
Description – Modulating digital differential pressure sensor RedCos-P-..
- Modulating electric digital pressure sensors for HVAC systems, e.g. for differential pressure control in hazardous areas (zone 2, 22)
- VAV control optional
- No additional module in the panel required!
- No intrinsically safe wiring required!
- All parameters adjustable on site w/o additional tools/meas. devices
- Integrated actual value indication, illuminated, can be switched off
- Integrated terminal box
- Robust aluminium housing with protection class IP66
Technical data
Measurement range*Min. range*Overload protected*Electric supplyOutputDisplayProtection / Housing materialAmbient temperature/-humidityPower supplyWeightExplosion proof for allInstallation area ModulCertification for gasesCertification for dust*dependent by TypeRedCos-P
± 100 Pa...± 7.500 Pa20 Pa25.000 Pa...120.000 Pa24 VAC / DC0-10 V DC, (0)4-20 mA, selectable on siteBacklight, defeatableIP66 / Aluminium casting, coated-20°...+50°C, 0...95 %rHover integrated terminal boxca. 1040 gGases, mists, vapours, dustZone 2, 22II3(1)G Ex nC [ia] IIC T6II3(1)D Ex tD A22 [iaD] IP66 T80°C
to the technical data sheetsDelivery – RedCos-P..
- 1 × Modulating digital sensor RedCos-P with integrated terminal box for differential pressure or volume flow control (VAV)
- 3 × Tapping screw Ø 4,2 × 13 mm
- 1 × Short circuit tube ca. 140 mm length
Special models – RedCos-P..-A
- Module with one intrinsically 4..20 mA output to connect external actual value indicator
Accessories – RedCos-P..
- Intrinsic, external LCD indicator connectable to RedCos-P..-A sensors, mounting in hazardous areas zone 2, 22
- Mounting-bracket for installation on round air-ducts up to Ø 600 mm
- „Installation kit 2“ includes 2 m pressure hose Ø 6 mm inner diameter,
2 plastic fittings
Description – Modulating digital temperature / humidity transducer RedCos-D
- Modulating electric digital transducer for measurements of temperature and/or humidity together with ExPro-C.. digital sensor probes in HVAC systems, installation in hazardous areas (zone 2, 22)
- Connector for ExPro-C.. sensor probes for room or duct mounting
- No additional module in the panel required!
- No intrinsically safe wiring required!
- All parameters adjustable on site w/o additional tools/meas. devices
- Integrated actual value indication, illuminated, can be switched off
- Integrated terminal box
- Robust aluminium housing with protection class IP66
Technical data
Measurement range Temperature*Measurement range Humidity*ApplicationElectric supplyConnectable sensorsOutputDisplayProtection / Housing materialAmbient temperature/-humidityPower supplyWeightExplosion proof for allInstallation area ModulCertification for gasesCertification for dust*dependent by sensor ExPro-C..RedCos-D
-40 °C...+125 °C0...100 %rHRoom- and / or Duct-measurement24 VAC / DC1 × ExPro-C.. Sensor0-10 V DC, (0)4-20 mA, selectable on siteBacklight, defeatableIP66 / Aluminium casting, coated-20°...+50°C, 0...95 %rHover integrated terminal boxca. 1040 gGases, mists, vapours, dustZone 2, 22II3(1)G Ex nC [ia] IIC T6II3(1)D Ex tD A22 [iaD] IP66 T80°CDelivery – RedCos-D..
- 1 × Modulating digital module RedCos-D with integrated terminal box
- 3 × Tapping screw Ø 4,2 × 13 mm
- Required accessory: ExPro-C.. Sensor
Special models – RedCos-D-A
- Module with two intrinsic 4..20 mA outputs to connect Ex-i external actual value indicator (Output 1 for °C, Output 2 for %rH)
Accessories – RedCos-D..
- ExPro-C.. digital sensors
- Intrinsic, external LCD indicator connectable to RedCos-DA transducer, mounting in hazardous areas zone 2, 22
- Mounting-bracket for installation on round air-ducts up to Ø 600 mm
Description – Modulating digital temperature / humidity transducer RedCos-A
- Modulating electric digital transducer for measurements of temperature or humidity together with modulating passive ExSens sensors in HVAC systems, module installation in hazardous areas (zone 2, 22)
- Connector for one ExSens sensor for room or duct mounting
- No additional module in the panel required!
- No intrinsically safe wiring required!
- All parameters adjustable on site w/o additional tools/meas. devices
- Integrated actual value indication, illuminated, can be switched off
- Integrated terminal box
- Robust aluminium housing with protection class IP66
Technical data
Electric supplyConnectable sensors (passive sensors)OutputDisplayProtection / Housing materialAmbient temperature/-humidityPower supplyWeightExplosion proof for allInstallation area ModulCertification for gasesCertification for dust
RedCos-A
24 VAC / DCmodulating, passive, potential free, Type ExSens:Pt 100, Pt 500, Pt 1000, Ni 100, Ni 200,
Ni 500, Ni 1000, Ni 1000 Siemens, KP 250, Resistance output 0...1 kOhm, 0...10 kOhm0-10 V DC, (0)4-20 mA, selectable on siteBacklight, defeatableIP66 / Aluminium casting, coated-20°...+50°C, 0...95 %rHover integrated terminal boxca. 1040 gGases, mists, vapours, dustZone 2, 22II3(1)G Ex nC [ia] IIC T6II3(1)D Ex tD A22 [iaD] IP66 T80°C
Delivery – RedCos-A..
- 1 × Modulating digital sensor RedCos-A with integrated terminal box
- 3 × Tapping screw Ø 4,2 × 13 mm
- Required accessory: passive sensor, Type ExSens
Special models – RedCos-A-A
- Module with one additional intrinsically 4..20 mA output to connect a
Ex-i external actual value indicator
Accessories – RedCos-A..
- Intrinsic, external LCD indicator connectable to RedCos-A-A transducer, mounting in hazardous areas zone 2, 22
- Mounting-bracket for installation on round air-ducts up to Ø 600 mm
