Device type

Differential pressure probe

Range of application

-20…+80 °C / 0…95 %rh non-condensing

(temperature compensation from 0…70 °C)

IP protection

IP65

Power supply / connection

Sensor

Mass flow        

Membrane

Power supply (VDD)

3.3…5.5 VDC

Current consumption

30 mA        

12 mA

Polarity protection

Mechanical protection

Battery life

RMS wireless logger

60 days with a 10 s measurement interval

350 days with a 60 s measurement interval

130 days with a 10 s measurement interval

650 days with a 60 s measurement interval

Battery life

LAN logger

70 days with a 10 measurement interval

395 days with a 60 measurement interval

180 days with a 10 measurement interval

840 days with a 60 measurement interval

Differential pressure measurement

Sensor

Mass flow

Membrane

Parameter

Differential pressure

Measurement range

±25, ±50, ±100, ±250, ±500 Pa

Resolution

1 ppm        

Accuracy

±1 % Full scale1

±1 % Full scale2

Long term stability3

0.1 % full scale /year

±2 %FSS/year for ±25 Pa probe

±1 %FSS/year for ±50 Pa probe

±0.5 %FSS/year for ±100 Pa probe

±0.25 %FSS/year for ±250 Pa and ±500 Pa

Medium

Air

Air and non-aggressive gases

Zero point compensation

Automatic (1 x per measurement interval)

Manual

Pressure resistance

5 bar

0.7 bar

Range limiter

Can be activated (not activated as standard)

Leak rate

<180 µl/min

N/A

Start time / measurement interval

Start time

<0.5 s

Measurement interval

>10 s

Response time T63

<1 s

Digital interface

Type

UART

Protocol

MODBUS

Factory default

Baud rate 19200, tolerance 2 %

Parity: none

Data bits: 8

Stop bits: 1

Flow control: none

Logic levels

Logic 0: ≤0.4 V

Logic 1: ≥2…2.5 V

Maximum cable length

5 m

General specifications

Housing material

Polycarbonate (housing)

Thumb screw material

Stainless steel, DIN 1.4305

Weight

60 g

Dimensions

Ø32 mm x 87 mm

Pressure connections

Tubing connector for tubes with internal Ø4 mm

Conformity

CE / EMC

EMC Directive: 2014/30/EU

EN 61000-6-1:2007

EN 61000-6-2:2005

EN 61000-6-3:2007+A1:2011+AC:2012

EN 61000-6-4:2007+A1:2011

EN 61326-1: 2013

Performance criterion: www.rotronic.com

Fire protection class

Corresponds to UL94-V2

Soldering

Lead free (RoHS Directive 2011/65/EU)

FDA/GAMP directives

Compatible

Accepted environmental conditions

Storage/transportation

-20…80 °C / 0…95 %rh, non-condensing

Range of application (electronics)

-20…80 °C / 0…95 %rh, non-condensing