SPM Airius User manual

Instructions

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Technical data subject to change without notice.

ISO 9001 certiﬁed. © SPM 2022-08. 72258 B Rev.2

Contents

1. Safety 3

1.1 Special conditions for safe use 3

1.2 Marking and list of standards 3

2. Description 4

3. Technical speciﬁcations 5

4. Installation of Airius Ex sensor 6

4.1 Screw installation 6

4.2 Glue installation 8

5. Sensor operation 10

5.1 Reset to factory default 10

5.2 Clear settings via SPM Connect app 10

5.3 Setting up Airius with SPM Connect 11

5.4 Setting up vibration measurements in Condmaster Ruby 12

5.5 Setting up vibration measurements in Condmaster.NET 14

6. Maintenance and service 16

6.1 Battery replacement 16

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1. Safety

This sensor must only be installed, used and maintained

by competent personnel. Such personnel shall have un-

dergone training that included instruction on the various

types of protection and installation practices, the relevant

rules and regulations, and on the general principles of area

classiﬁcation. Appropriate refresher training shall be given

on a regular basis (see EN 60079-17).

The installation, use and maintenance of this sensor must

comply with the appropriate European, national and lo-

cal regulations, which may include reference to the IEC

standards IEC60079-14, IEC60079-17 and IEC60079-19.

In addition, particular industries or end-users may have

speciﬁc requirements relating to safety (or health) and

these requirements should also be met. Instructions and

speciﬁcations issued by the manufacturer must be followed.

Warning – Use only SPM 18425 battery.

Immediately remove the sensor from Ex-hazardous areas if

safety is questioned or compromised. Return the product

to SPM Instrument AB for examination.

For conﬁguring the Airius sensor, only certiﬁed mobile

devices are allowed to be used in Ex-hazardous areas.

The batteries are classiﬁed as dangerous goods, when

transported. Transportation of batteries must be in full com-

pliance with the appropriate regulatory provisions. UN3090

is applicable for the batteries and UN3091 is applicable

when the battery is contained in the sensor.

1.1 Special conditions for safe use

None.

1.2 Marking and list of standards

I M1 Ex ia I Ma

II 1G Ex ia IIC T4 Ga

II 1D Ex ia IIIC T135 °C Da

Ta –40 °C to +85 °C

CML 19ATEX2081

CML 21UKEX2595

IECEx CML 19.0018

Standards are listed in the EU Declaration of Conformity.

Sensor marking.

Battery marking.

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2. Description

The battery-powered wireless sensor AIR01-EX, which ena-

bles wireless condition monitoring in potentially explosive

atmosphere, measures acceleration in three directions,

and temperature. For remote communication, Wi-Fi and

Bluetooth are used. An external push button and three

RGB-LEDs are local user interfaces.

The product enclosure consists of a metal body and an

ESD-protected plastic lid. To enable battery replacement,

the lid is removable. Screw or glue installation on a machine

is performed with an installation foot. Depending on the

installation foot and place of installation, the metal body

may be earthed or unearthed.

There are different versions of AIR01-EX, speciﬁed as

AIR01-xy-EX-Szz, where variations do not affect Ex safety.

The letters ‘xy’ denote measurement performance (e.g.

frequency bandwidth) and ‘Szz’ denote variations of op-

erating software.

AIR01-Ex is a member of the Airius family of wireless sensors.

The Airius sensor is compatible with both Condmaster.NET,

the application providing easy access to measurement

data through a user-friendly interface, and the analysis and

diagnostic software Condmaster Ruby.

The SPM Connect app, downloadable for mobile devices,

is used to conﬁgure the parameters required for connection

to Condmaster Entity Server (CES) or SPM Cloud.

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3. Technical specifications

Approvals/Certiﬁcates: CE, ATEX, IECEX, UKEX, FCC, Canadian RSS, China

MIIT, Japan MIC, Korean CRM, Taiwan NCC, WiFi Alliance,

Bluetooth SIG

Enclosure: stainless steel body, acid proof; plastic lid, ESD protected

Weight: 215 g

Power supply: replaceable lithium battery, SPM 18425 only

Battery capacity 13 Wh1

Battery shelf life 12 months2

Acceleration measurement: See part numbers:

Range, Resolution

Bandwidth, Resolution

Temperature measurement:

Range –40 °C to +85 °C (–40 °F to +185 °F)

Resolution 0.1 °C

Accuracy +/– 2 °C

Ambient temperatures:

Operational –20 °C to +85 °C (–4 °F to +185 °F)

Ex safety –40 °C to +85 °C (–40 °F to +185 °F)

Storage –40 °C to +85 °C (–40 °F to +185 °F)

Protection class: IP69

Relative humidity: 0 to 100% (non-condensing)

Wi-Fi: 802.11 b/g/n, 2412 MHz-2472 MHz, 19.9 dBm

Wi-Fi Security: WPA/WPA2 PSK/WPA2 Enterprise (PEAP-MSCHAPv2

and TTLS-MSCHAPv2 without certiﬁcates)

Bluetooth: v4.2 BLE, 2402 MHz-2480 MHz, 2.7 dBm

Antenna: Internal PCB antenna only, 3.7 dBi

Installation: Installation foot, glue (Loctite 326 and activator Loctite 7646)

or screw (M4, M6, M8, UNF ¼”)

1Battery cell capacity is 13Wh. Affected by ambient temperature, current proﬁle of load and shelf life above

12 months. Active sensor power consumption increases by Radio (Wi-Fi or BL) low signal strength or high

trafﬁc intensity.

Typical capacity cases:

• Four measurements per day for four years, ±0 to +40 °C, RSSI

≥ −70 dB. Sleeping sensor power consumption is increased by

high ambient temperature.

• Eight years of sensor deep sleep only, ±0 to +40 °C.

The sensor calculates the remaining number of measurements

based on; time from manufacture, time spent in conﬁguration

mode (BL), time between measurements, ambient temperature

and Wi-Fi signal strength (RSSI).

2Battery Shelf Life is 12 months. After 12 months the battery ca-

pacity might be reduced. Ongoing long-time tests are performed,

with the aim to prove an expected longer battery shelf life.

Part numbers

AIR01-01-EX Airius Ex sensor, 2/4/8 g, 16 bits,

10-1000 Hz, 800/1600 lines

AIR01-10-EX Airius Ex sensor, 2/4/8/16 g, 16 bits

10-5000 Hz, 800/1600 lines or

Airius Ex sensor, 10/20/40 g, 20 bits

2-1000 Hz, 800/1600 lines

Accessories

18470 Installation kit (installation foot, M4 screw,

M4 washer, M6 screw)

18471 Installation kit (installation foot, M8 screw)

18466 Installation foot, glue installation

Spare parts

100065 Ex spare part kit (battery, lid with

gasket, 4 pcs M3x8 screws)

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4. Installation of Airius Ex sensor

Installation must only be performed by competent

personnel. There are two methods for installing Airius Ex

sensors, either by screw installation or glue installation.

Position the sensor in such a way that it can optimally

perform measurements while having good Wi-Fi signal

strength.

4.1 Screw installation

1. Drill a screw hole where the sensor should be

placed.

2. Drill a counterbore with 30 mm diameter on the

machine.

3. Align the longest ﬂat side of the installation foot

with the x-axis of the intended measurement direc-

tion.

4. Screw the installation foot onto the machine. See

table for screw torque.

5. Screw the sensor onto the installation foot. See table

for sensor torque.

6. Check that the marking of the sensor aligns with the

intended measurement directions. If the markings

are not aligned with the intended measurement

directions, adjust the installation foot.

NOTE: There are markings for z, x and y on the

sensor, indicating the directions of the measurement.

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1 2 3

4 5 6

Ø 30 mm

Sensor torque:

M4 with washer 2 Nm

M6 7 Nm

M8 7 Nm

UNF 1/4” 7 Nm

Screw torque:

M4 with washer 2 Nm

M6 7 Nm

M8 17 Nm

UNF 1/4” 8 Nm

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4.2 Glue installation

1. Drill a counterbore with 30 mm diameter on the

machine where the sensor should be placed.

2. Screw the sensor onto the installation foot. Tighten-

ing torque: 7 Nm.

3. Apply glue (Loctite 326) and activator (Loctite 7649)

to the installation foot.

4. Check that the markings of the sensor align with the

intended measurement directions. Press the sensor

onto the ﬂat surface. Hold steady for three minutes.

NOTE: There are markings for z, x and y on the sen-

sor, indicating the directions of the measurement.

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1 2

3 4

Sensor torque: 7 Nm

Ø 30 mm

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5. Sensor Operation

LED indication and push-button management are shown

in the functional state diagram to the right.

5.1 Reset to factory default

Press and hold the internal push button while the battery

is reconnected. Factory default clears all settings and

reverts to the software installed during factory production.

5.2 Clear settings via the SPM Connect app

Clear settings continue to use the latest software while all

settings are cleared. For more information, see chapter

‘Setting up Airius with SPM Connect’.

Not conﬁgured

No server

Button

pressed

Fast ﬂash

Slow ﬂash

Off

Button pressed

and hold

From any state

E.g. measure and

send data to server.

Set timer.

Recovered/connected

battery

Bad/disconnected

battery

Conﬁgured

Timer expired

Server available

Exit, button pressed,

20 s timeout or connection lost

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