User Manual - PolyGard
®
2 / µGard
®
2
Sensors for Toxic Gases
Page 11
PolyGard
/ µGard
®
are registered trademarks of MSR
Made in Germany
GA_SC2_MC2_Tox_D_0820
Phone +49 8531 9004-0
Fax: +49 8531 9004-54
Specification subject to change without notice
MSR-Electronic GmbH, Buergermeister-Schoenbauer-Str. 13, D 94060 Pocking
www.msr-electronic.de
9.2
Sensor Cartridge (SC2)
ELECTRICAL
Power supply
5 V DC from Sensor Board (e.g. SB2/MSB2), reverse polarity
protected
Power consumption:
10 mA, max. (0.05 VA)
Serial interface local bus
1-wire / 19200 Baud
SENSOR ELEMENT
Gas type
See Ordering Information
Sensor element
Electrochemical
Pressure range
Atmospheric ± 10 %
Storage temperature range
1
0 °C to 20 °C (32°F to 68 °F) or
5 °C to 20 °C (41°F to 68 °F) for NH
3
, CO, NO
2
, O
2
Storage time
6 months
Poisoning
Electrochemical sensors are susceptible to poisoning by organic
solvents and silicone vapours.
PHYSICAL
Housing in plastic
Polycarbonate
Combustion
UL 94 V2
Housing colour
RAL 7032 (light grey)
Dimensions: Housing type P
Housing type L
(D x H) 24 x 22 mm (0.94 x 0.87 in.)
(D x H) 24 x 30 mm (0.94 x 1.18 in.)
Weight
Ca. 30 g (0.07 lb)
Protection class
IP65
Mounting
Screw mounting
Connection type
3-pin connector
Cable length
110 mm (4.33 in.)
REGULATIONS
Directives
EMC Directives 2014/30/EU
CE
Conformity to:
EN 378
EN 45544-1
EN 50104 (for O
2
)
EN 50545
EN 50271
EN 61010-1
ANSI/UL 61010 1
CAN/CSA-C22.2 No. 61010-1
Warranty
1 year on sensor (not if poisoned or overloaded),
2 years on device
1
A higher storage temperature can have a negative effect on sensitivity and service life.
2
We recommend recalibrating the devices if stocked for a longer period (>8 weeks)
