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VarioGard 3320 IR
CO2InfraredFieldbus
VarioGard · Gas transmitter

VarioGard 3320 IR

CO2InfraredFieldbus

The Dräger VarioGard® 3320 IR is a gas transmitter that measures carbon dioxide in the ambient air with an infrared optical sensor. It sends its measurement over a bus connection. It runs on a 16–32 V DC 3-wire supply; its ABS plastic housing is rated IP65 and works from -20 to 50 °C.

GASES
CO2
SENSOR TECHNOLOGIES
Infrared
OUTPUTS
Fieldbus
Datasheet (PDF) WhatsApp
Description and features

The Dräger VarioGard® 3320 IR is a gas transmitter that measures carbon dioxide in the ambient air with an infrared optical sensor. It sends its measurement over a bus connection. It runs on a 16–32 V DC 3-wire supply; its ABS plastic housing is rated IP65 and works from -20 to 50 °C.

01Carbon dioxide (CO2) measurement
02Infrared (IR) measuring principle
03Bus output
04ABS plastic housing, IP65 protection
05Operating temperature -20 °C to 50 °C
Technical data
BRAND
Dräger
MODEL
VarioGard 3320 IR
GASES
CO2
SENSOR TECHNOLOGIES
Infrared
OUTPUTS
Fieldbus
DISPLAY
no
SIL LEVEL
None
IP RATING
IP65
OPERATING TEMPERATURE
-20–50 °C
POWER SUPPLY
16 to 32 VDC, 3-wire
HOUSING
Plastic ABS
OTHER APPROVALS
CE marking
DIMENSIONS
11x12x6 cm (H × W × D)
WEIGHT
14.11 oz (400 g)
Documents and certificates
Other CE marking