System Specifications
Sensor Type Continuous diusion, Thin-m MOS,
adsorption type
Over-range Indication Flashing readings in 99% - 120% of
selected measuring range
Sensor Life 3 to 5 years typical
Response Time T
50
< 2 minutes
Long Term Stability ± 4 ppm or 10% of applied gas
(over 21 days)
Fault Open Collector
Output
Normally energised
Resolution 1 ppm
Calibration Level 50% of selected measuring range
A1, A2 Open Collector
Outputs*
Energised/de-energised and
latching/non-latching
Serial Communications
Interface
Dual RS485 ModBus,
2400 - 19200 Baud
Accuracy ± 2 ppm or 10 % of applied gas
(10C to 50C)
Measuring Ranges* 0-20 ppm, 0-50 ppm, 0-100 ppm
Approvals ATEX II2G EEx d e m II B+H2
T5 (-50C to + 55C) &
T4 (-50C to + 70C)
IP 66/67
SIL 3 suitable
A1, A2 Trip Levels*
Range Adjustable A1 Default A2 Default
0-20 ppm 1-19 ppm 5 ppm 10 ppm
0-50 ppm 5-45 ppm 10 ppm 25 ppm
0-100 ppm 10-60 ppm 25 ppm 50 ppm
Electrical Specifications
Supply Voltage min./max. 18.5 – 35 VDC
Current Consumption max. 200 mA at 24 VDC
max. 360 mA at 12 VDC
Analog Output 4–20 mA
Electrical Connection 3 wires, screened and armoured cable
Supply Fuse Rating 18 VDC – 35 VDC operation
500 mA Char ‘T’ PC ≥ 1500A
Output Resistance max. 750 ohms
Environmental Specifications
Operating Temperature
Range (continuous)
–50 °C to +70 °C
Analog Output Fuse
Rating
63 mA Char ‘F’ PC ≥ 1500A
Relative Humidity
5% to 100% non-condensing
Storage Temperature Range
–50 °C to +85 °C
Mechanical Specifications
Depth 95 mm (3.75 inches)
Height 150 mm (6 inches) excl. sensor
200 mm (8 inches) incl. sensor
Width 150 mm (6 inches)
Weight
2.5 kg (5.5 lbs) incl. sensor
Termination
EEx e II Terminal Block
Mounting Holes 4 x 7 mm (0.28 inches) dia holes
MSA International
1000 Cranberry Woods Drive
Cranberry Township, PA16066
USA
Phone +1 412 967 33 54
Fax +1 412 967 34 51
E-mail
www.msa-europe.com
www.MSAnet.com
MSA Europe
Thiemannstraße 1
12059 Berlin
Germany
Phone +49 (0)30 68 86-555
Fax +49 (0)30 68 86-1517
E-mail contact@msa-europe.com
Subject to change without notice
ID 07- 482.2 GB/00
/04.11
* User selectable
Ordering Information
ULTIMA MOS-5E
Measuring Range
0-20 ppm
4 –20 mA, ModBus
0-50 ppm 0-100 ppm
MOS5E-1101MOS5E-1301MOS5E-1501
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