The Dräger PIR 7000 is an explosion proof point infrared gas detector for continuous monitoring of flammable gases and vapours. With its stainless steel SS 316L enclosure and driftfree optics this detector is built for the harshest industrial environments, e.g. offshore installations.

Gas detector: PIR 7000 type 334 HART:
–Type: infrared sensor technology
– Principle of operation: Temperature-compensated infrared absorption,4-beam technology 
– Range: Methane, propane, ethylene: 0 to 20…100 %LEL
Methane: 0-100Vol%
– Measuring performance: Digital resolution 0.5 %LEL
Repeatability ≤ ± 1 %LEL
Response time t0…90 ≤ 4 seconds (“normal response”);< 1 second (“fast response”) (configurable)
Long-term drift ≤ ± 1 %LEL after 12 months
– Output signals: 4 to 20 mA, HART®
– Fault signal ≤ 1.2 mA (configurable)
– Beam block warning signal 2 mA (configurable)
– Maintenance signal 3 mA (configurable)
– Power supply: 13 to 30 V DC, 3-wire
– Power consumption: 5.6 W (typical)
– Temperature – 40 to + 77 °C / – 40 to + 170 °F (operating); – 40 to + 85 °C / – 40 to + 180 °F (storage)
– Humidity 0 to 100 %RH
– Ingress protection:  IP 67, NEMA 4X.
– No moving parts
– Resistant towards shock and vibration up to 4 G
– Continuous self-testing in the context of the IEC/EN 61508 standard
– Approvals: Ex approvals for worldwide application: ATEX, IECEx, UL, CSA
ATEX: II 2G Ex d(e) IIC T6/T4; II 2D Ex tD A21 IP65 T80 °C/T130 °C
IECEx: Ex d IIC T6/T4; Ex tD A21 IP65 T80 °C/T130 °C
Safety Integrity Level SIL2 certified by TÜV (EN 61508, EN 50402)
– Dust approval for zone 21 and 22
– Typical lifetime greater than 15 years