LD20 datasheet(2/6 Pages) ETC2

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LD20 Liquid Flow Sensor Series

www.sensirion.com

Preliminary version 0.6 – December 2016

2/6

Parameter

LD20-0600x

LD20-1300x

LD20-2600B

Unit

Response time on power-up

tbd

Operating temperature

+15 … +45 (+59 … +113)

°C (°F)

Operating humidity

0…95 %, non-condensing

% RH

Maximum recommended operating pressure

3 (45)

bar (psi)

Burst pressure

10 (145)

bar (psi)

Recommended maximum use duration

days

Short term storage temperaturee

-10 … +60 (+14 … +140)

°C (°F)

Short term storage humiditye

0…95 %, non-condensing

% RH

Shelf lifef

years

Table 1: Performance of LD20 series (all data for medium H2O, at 23°C)

2 Specifications Charts

-1300 -1000

-500

500

1000 1300

10%

15%

Flow rate (ml/h H2O)

LD20-2600B Relative Accuracy with H2O

At 23°C

At 6°C/40°C

Repeatability

0.02

0.2

200

100

1000

Flow rate (ml/h H2O)

LD20-2600B Absolute Accuracy with H2O

At 23°C

At 6°C/40°C

Repeatability

Figure 1: Liquid flow sensor accuracy and repeatability across the flow range of the LD20-2600B. Relative error in %

of measured value (left) and absolute error in ml/h (right) for H2O.

Flow path empty. Short term storage refers to temporary conditions during e.g. transport.

When stored at 15°C - 35°C and 20 - 80 % r.H.

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