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Duet co, Module interface – Welch Allyn Duet CO2 Module - User Manual User Manual

Page 21

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Duet CO

2

Module OEM Implementation Manual

Welch Allyn OEM Technologies

Confidential

Page 21

Duet CO

2

Module Interface

Power Requirements

Description

Typical

Input voltage range

+8.00 to +12.00 VDC, 150 mV peak to peak ripple

a

Non-measurement power

570 mW at +8.00 VDC

Mainstream warm up power

5 W at +8.00 VDC

Mainstream operating power

2.8 W at 25° C, average

Sidestream operating power

1.3 W at +8.00 VDC

Sidestream occluded power

1.8 W at +8.00 VDC

Sidestream pump stalled power

3.0 W at +8.0 VDC

a. Optimal input voltage is +8.00 VDC. Typical power consumption increases slightly with higher input
voltages.

The host must supply fused input voltage to the Duet CO

2

Module. The actual slo blo fuse values for

the power input side of the Duet CO

2

Module are 1.00 A (12.00 V input voltage), 1.25 A (10.00 V input

voltage) and 1.50 A (8.00 V input voltage).

CO

2

Main Processor Board

Description

Specification

Dimensions
(MS & SS included)

3.15 in L

× 3.90 in W × 1.22 in H

(80 mm L

× 100 mm W × 31 mm H)

Clearance

1.00 in (25.40 mm) above board
0.20 in (5.00 mm) below board

Orientation

No limitations

Weight

< 1 lb (454 gm)