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Sensor Current Draw Check - ZSC

How to identify latent sensor issues before they result in loss of data.

Travis Bates
Updated by Travis Bates

Current Draw

As a diagnostic tool, measuring current consumption can identify latent problems in sensors and help maintain your network. The ZSC provides active and sleep states for testing sensors. Refer to the table below for typical maximum current values for each sensor type.

Sensors with current draw above the maximum or an order of magnitude greater than the typical current have internal electronic problems and should be removed from the network and replaced.

Note on Terminology
Some linked sensor integration guides still use the terms “Awake” and “Asleep.” This article uses the updated terminology “Active” and “Idle”, to describe the product behavior.

ATMOS

Minimum

Typical

Maximum

Notes / Links

ATMOS 41

Gen 1 Link / Gen 2 Link

Active

0.2 mA

8.0 mA

33.0

Gen 1 / Gen 2

Idle

0.2 mA

0.3 mA

0.4 mA

Gen 1 / Gen 2

ATMOS 22

Link

Active

0.2 mA

8.0 mA

33 mA

Idle

0.2 mA

0.3 mA

0.4 mA

ATMOS 14

Link

Active

3.0 mA

3.5 mA

9.9 mA

Idle

N/A

0.03 mA

N/A

TEROS

Minimum

Typical

Maximum

Notes

TEROS 6

Link

Active

2.0 mA

2.5 mA

4.0 mA

Idle

N/A

80.0 uA

N/A

TEROS 12

Link

Active

3.0 mA

3.6 mA

16 mA

Idle

N/A

0.03 mA

N/A

TEROS 11

Link

Active

3.0 mA

3.6 mA

16 mA

Idle

N/A

0.03 mA

N/A

TEROS 21

Gen1 Link / Gen 2 Link

Active

3.0 mA

3.0 mA

3.6 mA

5.0 mA

10 mA

16.0 mA

Gen 1

Gen 2

Idle

N/A

N/A

0.03 mA

0.03 mA

N/A

N/A

Gen 1

Gen 2

TEROS 32

Link

Active

18 mA

25 mA

30 mA

Idle

0.03 mA

0.05 mA

0.90 mA

TEROS 54

Link

Active

3 mA

35 mA

50 mA

Idle

0.03 mA

0.1 mA

NA

HYDROS

Minimum

Typical

Maximum

Notes

HYDROS 21

Gen 1 Link / Gen 2 Link

Active

0.5 mA

2.5 mA

0.5 mA

3.5 mA

1.0 mA

8.0 mA

Gen 1

Gen 2

Idle

N/A

N/A

0.3 mA

0.35 mA

N/A

N/A

Gen 1

Gen 2

LEGACY

Minimum

Typical

Maximum

Notes

5TE

Link

Active

0.5 mA

3.0 mA

10 mA

Idle

N/A

0.03 mA

N/A

5TM

Link

Active

0.5 mA

3 mA

10 mA

Idle

N/A

0.03 mA

N/A

GS3

Link

Active

0.5 mA

3.0 mA

30 mA

Idle

N/A

0.03 mA

N/A

10HS

Active

0.5 mA

12 mA

20 mA

Link

Idle

N/A

0.03 mA

N/A

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