Flawless Gas Detector Detecting Hydrocarbon Gases and Vapors

Brand Crowcon
Model Type

IRmax

Description

Crowcon IRmax Gas Detector General Features 

IRmax is a compact, low-power, and highly durable infrared (IR) gas detector that enables the rapid and accurate detection of methane, butane, propane, and many other hydrocarbon gases and vapors.

The IRmax infrared gas detection system offers continuous calibration options only through the detector, local gas/status indicator, remote gas/status indicator, or an IS calibration tool or handheld HART communication device.

Crowcon IRmax Technical Specifications

 

IRmax

IRmax with Fixed IR Screen

IRmax with IS Barrier Module

Remote IR Screen

Size

158 x 75 x 57 mm (6.2 x 2.9 x 2.3 in)

230 x 75 x 57 mm (9 x 2.9 x 2.3 in)

261 x 75 x 57 mm (10.3 x 2.9 x 2.3 in)

60 x 54 x 48 mm (2.3 x 2.1 x 1.9 in)

Weight

1.58 kg (3.5 lbs)

2 kg (4.4 lbs)

2.4 kg (5.3 lbs)

0.2 kg (0.4 lbs)

Ingress Protection

IP66

Enclosure Material

316 stainless steel

Power

12-30 Vdc. < 1W

Connection

One M20 or 1/2” NPT cable entry

Electrical Output

4-20mA current sinking or sourcing
2mA dirty optical warning (at 75% dimming, configurable)
0mA detector fault signal (at 90% dimming, configurable)
RS-485 Modbus (optional), HART 7 (optional)

Operating Temperature

-40°C to +75°C (-40°F to 167°F)

Humidity

0% to 95% RH non-condensing

Pressure Range

Atmospheric +/- 10%

Repeatability

+/- 2% FSD

Zero Drift

Annual maximum +/- 2% FSD

Response Time

T-90 <4 seconds

Functional Safety

IEC61508, EN50402 SIL 2 validation

Certifications

Ex II 2 GD
Exd IIC T6 Gb (Tamb -40 to +50°C),
T4 (Tamb -40 to +75°C)
Ex tb IIIC T135°C Db (Tamb -40 to +75°C)

Ex II 2 G
Exd ia IIC T4 Gb (Tamb -40 to +75°C)

 

Ex II 2 GD
Exd ia IIC T4 Gb (Tamb -40 to +75°C)
Ex tb IIIC T135°C Db (Tamb -40 to +40°C)

EMC Compliance

Directive 2014/30/EU: EN50270, FCC CFR47 Section 15B, ICES-003

Zones

Suitable for use in Zones 1 and 2.