Printed in USA 150313
Page 10
8 Technical Data
General sensor performances
Gas type
Combustible gases/ vapours
See Ordering Information
Sensor element
Ex sensor, catalytic bead
Pressure range
Atmosphere ± 20 %
Storage temperature range
5 °C to 30 °C (41 °F to 86 °F)
Storage time
Max. 6 months
Mounting height
Depending on gas type
AT-33XX V3
Measuring range
0 - 100 % LEL
Detection limit
0,5 % LEL
Accuracy
± 1 % of signal/methane
Repeatability
± 2 % of signal/methane
Long-term zero drift
< 5 % measuring range/year
Long-term sensitivity drift
< 2 % measuring range/month
Response time
t
90
< 10 sec./methane
Life expectancy
> 3 years/normal operating environment
Temperature range
- 10 °C to + 40 °C (14 °F to 104 °F)
Humidity, continuous
15 – 90 % RH non condensing
Humidity, intermitted
0 – 99 % RH non condensing
Electrical
Power supply
16 - 28 VDC/AC, reverse polarity protected
Power consumption (without options)
35 mA, max. (0,85 VA)
Output signal
Analog output signal
Selectable: Current / tension
Starting point 0 / 20 %
(0) 4 – 20 mA, load
≤
500
Ω
,
(0) 2 - 10 V; load ≥ 50 k
Ω
proportional, overload and short-circuit proof
Serial interface
Transceiver
RS 485 / 19200 Baud
Protocol, depending on version
MSR_DT05 or MOD_Bus
Physical
Enclosure*
Stainless steel V2A
Enclosure colour*
Natural, brushed
Dimensions* (H x W x D)
113 x 135 x 45 mm /(5.35 x 4.5 x 1.8 in.)
Weight*
Approx. 0,5 kg (1.1 Ibs.)
Protection class*
IP 55
Mounting*
Wall mounting, pillar mounting
Cable entry
Standard 1 x M 20
Wire connection
Screw-type terminal min. 0,25, to. 2,5 mm
2
24 to 14 AWG
Wire distance
Current signal ca. 500 m (1500 ft.)
Voltage signal ca. 200 m (500 ft.)
Specifications subject to change without notice. | USA 151203 | Page 10 of 14
12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.IN
TEC
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AT-3300_V3 – UserManual
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