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Dräger PIR 7000 Technical Handbook

Dräger PIR 7000
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5
Intended Use
Intended Use
Dräger PIR 7000 Infrared Gas Transmitter
For stationary, continuous monitoring of the concentration of flammable gases and vapours
containing hydrocarbons in a suitable atmosphere.
Alternatively configurable for various gases and vapours as well as measuring ranges.
Dräger PIR 7200 infrared gas transmitter
For stationary, continuous monitoring of the concentration of carbon dioxide in a suitable
atmosphere.
With analogue output signal from 4 to 20 mA for measuring mode, bi-directional serial
interface and HART
®
interface (optional) for configuration and measuring mode.
Suitable for use in rough ambient conditions (e.g. offshore).
For installation alternatively in Ex areas zone 1, 2 or 21, 22 corresponding to device
category 2G, 3G or 2D, 3D or Class I or II, Div. 1 or 2 hazardous areas.
In connection with a central device (e.g. Dräger REGARD 4-20 mA or HART):
Warning before an explosive concentration level is reached.
Automatic initiation of countermeasures which avert the explosion hazard (e.g. switching on
ventilation).
Device fault warning.
Special calibration mode (blocking of alarm triggering, one-man-calibration).
In connection with the Operating and Display Unit Dräger P 3300 / Dräger P 7300:
Display of the measured value.
Configuration of the gas transmitter.
_________________
® HART is a registered trademark of HCF, Austin, Texas, USA
* Lower Explosion Limit, depending on the substance and the regulations applicable at the respective location.
Measuring range type 334:
0 to 20 ... 100 %LEL *,
0 to 100 % vol. CH
4
(methane).
(IDS 01x1)
Measuring range type 340:
0 to 5 ... 100 %LEL *,
e.g. 0 to 850 ppm C
3
H
8
(propane).
(IDS 01x2)
Measuring Range: 0 to 0.2 ... 100 % vol. CO
2
(carbon dioxide).
(IDS 01x5)

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Dräger PIR 7000 Specifications

General IconGeneral
Detection PrincipleInfrared (IR)
Pressure Range700 to 1300 hPa
Ingress ProtectionIP66/67
Gases DetectedHydrocarbons
Measurement Range0 - 100 %LEL (Lower Explosive Limit) or 0 - 100 vol.%
Operating Temperature-40 to +65 °C
Output Signal4-20 mA
Housing MaterialStainless steel
CertificationsATEX, IECEx, UL, CSA
Response Timet90 ≤ 4 s

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