METER AQUALAB 3 Manuale utente

AQUALAB 3

TABLE OF CONTENTS

1. Introduction.............................................................................................. 1

2. Operation ...................................................................................................3

2.1 System Network Requirements .................................................................3

2.1.1 Connection Options .........................................................................5

2.1.2 NEXUS Static IP Address..................................................................5

2.1.3 Using a METER Data Logger .............................................................6

2.2 AQUALAB 3 First Time Setup ......................................................................6

2.2.1 Connect AQUALAB3 and NEXUS ......................................................7

2.2.2 Connect iPad and Download SKALA Mobile App ..............................8

2.2.3 Register New Company Site............................................................. 9

2.2.4 Connect First NEXUS ..................................................................... 13

2.2.5 Enter SKALA Mobile First Time ...................................................... 15

2.2.6 Create First Product....................................................................... 16

2.3 Enter Existing Company Site.................................................................... 19

2.3.1 Add Additional iPads to Existing System ....................................... 20

2.3.2 Add Additional NEXUSES ............................................................... 21

2.3.3 Add Additional Water Activity Products ......................................... 23

2.3.4 Select Market Groups (Subscription Required).............................. 28

2.3.5 Add First Total Moisture Product (Subscription Required)............. 31

2.4 Add a Batch.............................................................................................. 35

2.5 Take a Reading ......................................................................................... 38

2.5.1 Water Activity Reading................................................................... 39

2.5.2 Total Moisture Reading .................................................................. 46

2.5.3 One-Minute Water Activity Reading Mode ..................................... 54

2.5.4 Setting Up Isotherm-Determined Moisture Content ...................... 54

2.5.5 Performing a Linear Offset............................................................. 60

18395-05

8.11.2021

3. System....................................................................................................... 63

3.1 Specifications.......................................................................................... 63

3.2 Components ............................................................................................ 65

3.2.1 Sensor Block.................................................................................. 65

3.2.2 Sample Drawer .............................................................................. 66

3.2.3 Drawer Knob Indicator Lights......................................................... 67

3.2.4 NEXUS ........................................................................................... 68

3.3 Modes and Tests ...................................................................................... 69

3.3.1 One-Minute Water Activity Mode................................................... 69

3.3.2 Total Moisture................................................................................ 69

3.4 Theory...................................................................................................... 70

3.4.1 Water Content................................................................................ 70

3.4.2 Moisture Content........................................................................... 70

4. Service....................................................................................................... 74

4.1 Performance Verification......................................................................... 74

4.2 Cleaning................................................................................................... 77

4.3 Troubleshooting....................................................................................... 81

4.4 Customer Support.................................................................................... 82

4.5 Terms and Conditions .............................................................................. 83

Reference....................................................................................................... 84

1. INTRODUCTION

Thank you for choosing the AQUALAB®3 water activity meter from METER Group.The

AQUALAB3 uses a chilled-mirror dew point sensor and capacitive hygrometer and is controlled

and operated through the SKALA®Mobile by METER application using an Apple®iPad®device.

Verify all AQUALAB3 system components are included and appear in good condition:

• AQUALAB3 Water Activity Meter with calibrated sensor block

• AQUALAB Accessory Kit

Power cord (2.29 m, 7.5 ft)

USB A to USB B cable (1.83 m, 6 ft)

250 disposable sample cups

Cleaning kit

Standards kit

SDS booklet

• SKALA NEXUS Benchtop Unit

• SKALA NEXUS Accessory Kit

AC adapter (micro USB)

Ethernet cable (1.83 m, 6 ft)

USB A to USB A cable (1.28 m, 6 ft)

• iPad stand

• Apple iPad (optional)

NOTE: Prior models of AQUALAB3 are compatible with a SKALA Hub. If setup assistance with a SKALA Hub is needed,

please contact Customer Support.

SKALA Mobile by METER, an application available from the Apple App Store, will need to be

downloaded onto the iPad. The app is used to register a new customer site, create products

and batches, and operate the equipment. Everything that is created in SKALA Mobile is

stored in the SKALA Control cloud service.

SKALA Control is a cloud-based software program where data can be analyzed and

downloaded and where more advanced settings can be made. SKALA Control stores all

historic readings, displays readings in charts, modifies customer site settings and users,

modifies existing tests, plus much more.

Freemium version. The first time a customer site is set up, there is no charge for the use of

basic features available in the SKALA Mobile app (referred to as Freemium). In the Freemium

version, only water activity features are available.

AQUALAB 3

Subscriptions. Monthly SKALA Control subscriptions are needed to utilize additional

features such as total moisture readings (Section2.5.2) and one-minute reading mode

(Section2.5.3). To learn more about SKALA Control subscription plans, go to metergroup.

com/skala-upgrade or contact Customer Support.

SKALA training documents and videos can assist when learning how to use SKALA Control.

For more information on SKALA Control, please contact Customer Support.

OPERATION

2. OPERATION

Please read all instructions before operating the SKALA Mobile app and the

AQUALAB3 meter to ensure everything performs to its full potential.

Please observe the following considerations carefully.

• Only allow personnel who have been qualified by METER to carry out service work on the

electrical components.

• Only operate this instrument with the main power voltage specified (100 to 240 VAC at

50 to 60 Hz).

• Plug the instrument into a grounded outlet or power strip.

• Only use the fuse type and rating specified for this instrument (Section3.1).

If the instrument is used in a manner not specified by the manufacturer, the protection

provided by the equipment may be impaired.

PRECAUTIONS

METER instruments are built to the highest standards, but misuse or neglect may damage

the device and possibly void the manufacturer’s warranty. Before using the AQUALAB 3,

follow the recommended user instructions and arrange proper protections to safeguard the

instrument from damage.

2.1 SYSTEM NETWORK REQUIREMENTS

METER Group recommends the following as the network requirements for the SKALA

deployment environment (the environment where the NEXUS and Apple®iPad®mobile digital

device are installed). Implement the security controls that are appropriate for the sensitivity

of the data.

• Internet connection—standard 1 GbE network or faster.

• The devices must be able to connect to the following destinations using the same network:

skalacontrol.com—the primary endpoint for the SKALA server, hosted by METER Group.

websocket.skalacontrol.com—the functional endpoint for the websocket

communications layer.

*.zoho.com—utilized for the METER secure remote support tool.

*.skalanexus.com—connection between the iPad and the NEXUS.

• The iPad and NEXUS devices must be able to communicate over ports listed in Table 1.

METER typically recommends placing them on the same subnet to easily facilitate

communication. However, if the network team desires, utilizing a network address

translation (NAT) to bridge subnets is acceptable.

Table 1 lists the ports that must be available for the SKALA system to function properly.

AQUALAB 3

Table 1 Ports for SKALA

Port Direction Destination Usage

80 In/Out PIP/DPKG sources System and package updates

443 In/Out skalacontrol.com

websockets.skalacontrol.com

HTTPS over TLS communication,

used to retrieve and post data to the

SKALACONTROL server

443 In/Out *.zoho.com Utilized for the METER remote support tools,

enables the METER team to help and resolve

issues and outages

123 In/Out NTP provider Used for NTP timy sync

3128 In/Out PIP System and package updates

9001 In/Out *.skalanexus.com Used for secure communication between the

iPad and NEXUS devices. Communication

is made utilizing unicast via a known IP

address.

The following diagram illustrates the network connections and communications protocols.

SKALA Control

Server Firewall/Router

Firewall/Router

Access to SKALA Control

Data Access Network

Data Access NetworkData Collection Network

TLS

1.2

Port

443

TLS

1.2

Port

443

TLS

1.2

Port

443

TLS

1.2

TLS 1.2

Port 9001

Data Entry

Using iPad

ZL6 Environmental Logger

Cellular Communication

TLS 1.2

Port

443

TLS

1.2

HDMI

USB Dashboard

Display

Port

443

NEXUS NEXUS

WATER

ACTIVITY

OPERATION

2.1.1 CONNECTION OPTIONS

The Apple iPad and/or PC has to be able to communicate with the NEXUS via the user's

internal network. It doesn’t matter whether the different components are connected via a

Wi-Fi®connection or Ethernet cable, respectively.

AQUALAB 3

AQUALAB 3 always connects to the NEXUS via a USB A to B cable.

APPLE IPAD

The Apple iPad connects to the network via a Wi-Fi connection or via an Ethernet cable

through a lightning port-to-Ethernet adapter.

The iPad can also connect to the network via the NEXUS. To do this, please connect the iPad

to the NEXUS using the following configuration:

lightning-to-Ethernet adapter → Ethernet cable → USB-to-Ethernet adapter

NEXUS

METER recommends connecting the NEXUS to the network via an Ethernet cable.

Connecting the NEXUS to WiFi can be configured using the USB-to-USB cable (included)

and the NEXUS Utility software (available at metergroup.com/food/downloads/).

PC INSTEAD OF IPAD

The user will take readings via https://skalacontrol.io accessed from the user's PC web

browser. The PC can connect to either Wi-Fi or Ethernet for a nominal fee.

SKALA CONTROL

SKALA Control is accessible at https://skalacontrol.com/ via a web browser. METER

recommends using Google Chrome for the best possible user experience.

2.1.2 NEXUS STATIC IP ADDRESS

To allow for encrypted communication between the iPad and the NEXUS, METER registers a

subdomain pointing to the local IP address of the NEXUS. The iPad will connect to the NEXUS

via *.skalanexus.com. If the local IP address changes, it could take between 5 min and a few

hours for the DNS update to be propagated to the customer DNS server. During this time, the

iPad will not be able to communicate with the NEXUS.

To prevent the local IP address from changing, follow these recommendations:

• Use a static IP address for every NEXUS

• Refrain from switching between Wi-Fi®and Ethernet interfaces

AQUALAB 3

If changing the NEXUS local IP address cannot be avoided, Cloudflare®can be used to help

changes propagate quickly. Both the iPad or Windows®PC can be set to use Cloudflare as the

DNS server.

To set Cloudflare as the DNS server on an Apple iPad (iOS), use the following steps:

1. Navigate to Settings

2. Select Wi-Fi

3. Select the iicon next to the Wi-Fi network in use

4. Press Conﬁgure DNS

5. Choose Manual

6. Press Add Server

7. Add the server 1.1.1.1

8. Select Save

To set Cloudflare as the DNS server on a Windows PC (Windows 10), follow these instructions

(privateinternetaccess.com/blog/changing-your-dns-settings-on-windows-10).

2.1.3 USING A METER DATA LOGGER

METER data loggers do not require a Wi-Fi network or Ethernet. The data loggers have an

LTE cellular modem that connects directly to METER cloud services. The loggers operate

with T-Mobile® and AT&T®cellular carriers and usually find a good signal. If the location

is notorious for poor cell coverage, inform METER so other hardware solutions can be

considered.

Please review the network requirements prior to the arrival of a member of METER

Professional Services to ensure a smooth, quick, and efficient installation process.

2.2 AQUALAB 3 FIRST TIME SETUP

Place the AQUALAB3 on a clean, level surface in a location where the ambient temperature

remains relatively constant.

NOTE: The AQUALAB3 should be positioned well away from all heating and air-conditioning vents, open windows,

outside doors, refrigerator exhausts, and other sources of temperature fluctuation.

This section explains how to connect the AQUALAB3 and the NEXUS (Section2.2.1), connect

the iPad device to a local Wi-Fi®network and download the SKALA Mobile app to the iPad

device (Section2.2.2), register a new company site (Section2.2.3), connect and verify the

first NEXUS (Section2.2.4), enter SKALA Mobile the first time (Section2.2.5), and set up the

first product (Section2.2.6).

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