PN 21495524 B

RELEASE DATE:

October 14, 2020

REVISION DATE:March 8, 2022 (Rev B)

MODEL:

Companion 5™

ISSUE:

Companion 5™ Flowmeter Outlet Pressure TestNOTES:CAIRE is using the new style Flowmeter 21494452 on the 3rd Edition
Companion 5 models. The previous style Companion 5 models will still
use Flowmeter 15063266. A new version of the Companion 5
concentrator is being released that is compliant to IEC 60601-1 edition
3.1 and IEC 60601-1-2 4th edition.
Units produced as of July 2020 for China and Europe will used flowmeter
21494452 to be compliant to IEC 6060-1 edition 3.1 and IEC 60601-1-2 4thedition. Units produced prior to July 2020 use flowmeter 15063266. Thesechanges do not apply to 120V models of the Companion 5. Reference Service
Bulletin 21494864.
Note: When replacing flowmeter reference table 1.

15063266

21494452

Figure 1. Two different flowmeterstyles for the Companion 5

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein
are reserved by us, as applicable.
Ref 21495524 Rev B

Page 1 of 3
www.caireinc.com

Outlet Pressure Test Procedure for Flowmeter 21494452:
1) Turn the power switch to the “ON” position and set flow to 5 LPM and allow
the unit to run for 1 hour prior to testing the deadhead pressure.
2) Install 6ft (1.82 m) of tubing to the O2 outlet port.
3) Teeing the tubing off to a spare flowmeter to act as a needle valve andpressure analyzer.
4) Slowly turn down the spare flowmeter knob until it stops.
5) Observe the reading on the pressure analyzer.
6) Acceptable range is <6 psig.
a) Acceptable range for China is 4.14 – 5.06 psig. If the outlet pressure is notwithin this range, the product regulator needs to be adjusted. (see manualfor procedure)7) Turn the power switch to the “OFF” position.
8) Remove tubing from O2 outlet port
Outlet Pressure Test Procedure for Flowmeter 15063266:
1) Open up the unit.
2) Remove the black plug from the side of the flow sensor.
3) Connect 5/32nd size tubing to the side of the flow sensor.
4) Connect the other end of the tubing to a pressure analyzer.
5) Turn the power switch to the “ON” position.
6) Open flowmeter to 5 LPM.
7) Allow the unit to run for 10 minutes prior to testing the pressure.
8) Observe the reading on the pressure analyzer.
9) Acceptable range is 4.3 – 4.9 psig. If the outlet pressure is not within thisrange, the product regulator needs to be adjusted. (see manual forprocedure)
10) Turn the power switch to the “OFF” position.
11)Remove tubing from flow sensor and replace cap.

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein
are reserved by us, as applicable.
Ref 21495524 Rev B

Page 2 of 3
www.caireinc.com

Table 1. C5 Model by Flowmeter Type (as of October 14, 2020)
Model#Flowmeter

Complaint to IEC 60601?

21471908 Companion 5 Oxygen Concentrator
230 VAC, 50 Hz
21471909 Companion 5 Oxygen Concentrator with
Bluetooth capability 230 VAC, 50 Hz
21139079 Companion 5 Oxygen Concentrator 230
VAC, 50 Hz (China) * This model used
1503266 up until 7/1/2020

21494452

Yes

21494452

Yes

21494452

No

15067021 Companion 5 Oxygen Concentrator 230
VAC, 50 Hz * This model used 1503266
up until 7/1/2020
15067005 Companion 5 Oxygen
Concentrator 120 VAC, 60 Hz

21494452

No15063266

No

21190674 Companion 5 Oxygen
Concentrator 120 VAC, 60 Hz

15063266

No21225813 Companion 5 Oxygen Concentrator with
Bluetooth capability
120 VAC, 60 Hz

15063266

NoCONTACT:Description

For technical questions or concerns, contact Technical Service:USA:

800-482-2473

Europe:+44 (0) 118 936 7060

techservice.global@caireinc.com
For ordering information or general inquires, contact Customer Service:USA:
800-482-2473
customerservice.usa@caireinc.com
Europe:+44 (0) 118 936 7060

customerservice.europe@caireinc.com

Copyright © 2022 CAIRE Inc.
CAIRE Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/orprocesses to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein
are reserved by us, as applicable.
Ref 21495524 Rev B

Page 3 of 3
www.caireinc.com