Technical Data
Technical Data
Operating Limit:
-40°C to +60°C (-40°C to +140°F), 800 to 1100 hPa, 0 to
100% rel. hum
IP rating
IP 66/67
Supply Voltage
ATEX
18 to 30 VDC
UL, CSA
18 to 27 VDC
Power Consumption
Max. 0.95 A @ 24 V, with full heating and all source lamps
operating. In-rush Current: 1.5A
Rx max: 5 W
Tx max: 13 W
Warm-up:
12 secs. Beam block time during power interruptions (
≥
10ms): 12 secs.
CE Marking
Devices and protective systems for use for the intended
purpose in explosion-hazard area (Directive 94/9/EC),
CENELEC only
Dimensions
Approx: 338 x 258 x 216 mm
Weight
6kg, 12,2 lbs, each
Regulatory Approvals
ATEX
Certificate Number SIRA 14ATEX1040
II 2(1)GD
Ex d [ia Ga] op is IIC T6 Gb
Ex tb IIIC T80°C Db
Ta = -40°C bis +40°C
II 2(1)GD
Ex d [ia Ga] op is IIC T5 Gb
Ex tb IIIC T100°C Db
Ta = -40°C bis +60°C
IECEx
Certificate Number IEC Ex SIR 04.0006
Ex d [ia] IIC T5 (Ta -40°C to +60°C)
Ex d [ia] IIC T6 (Ta -40°C to +40°C)
UL (Classi-
fied)
Class I, Div. 1, Groups C, D
CSA,
NRTL/C
Class I, Div. 1, Groups C, D
FM
ANSI/FM 6325
ANSI/ISA-12.13.04
DNV
A-12526
Measuring technique
characteristics
Infrared absorption dual band technique
Repeatability
±0.1 LELm
Linearity Error
±5% of Full Scale Deflection
Response time to t
90
With digital
link
≤ 2 seconds
Without
digital link
≤ 2.5 seconds
Outputs
Self configuring current sink or source. Fully linearised 4-20
mA gas signal with Fault at 0 mA, Beam-block at 2mA, and
a configurable Pre-warning for dirty or misaligned optics,
broken Rx-Tx link, or first lamp failure (0 to 5 mA, default 3.5
mA). Over-range at 20.5 mA. %LEL = ((I (in mA)-4 mA)/
16mA * (full scale)). Interrogation/diagnostics of the detector,
locally via the Hand-Held Terminal, or remotely via 4th-wire
Storage
Temperature:
-40°C to +60°C (-40°C to +140°F)
Pressure:
700 to 1300 hPa
Humidity:
0 to 95% rel. hum
