E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Instruction Manual Document Type Page Document title 1 of 18 Water Activity and Temperature Probe HC2-AW-USB User Guide © 2011-2012; Rotronic AG E-M-HC2-AW-USB-V1_11
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 2 of 18 Table of contents 1 2 3 3.1 3.2 3.3 3.4 3.5 4 5 5.1 5.2 5.3 6 6.1 6.2 6.3 7 8 9 10 Overview ................................................................................................................................................. 3 Dimensional drawing..............................................
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Instruction Manual Document Type Page Document title 3 of 18 Applicability: This manual applies to the HC2-AW-USB probe with firmware version 1.x (RoPCB firmware), where 1.x can be 1.8, 1.9, etc. Changes to the last digit of the version number reflect minor firmware changes that do not affect the manner in which the probe should be operated.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Instruction Manual Document Type Page Document title 3 General description 3.1 Power supply 4 of 18 The HC2-AW-USB probe is directly powered from the USB port of a PC (see below). When connected to a USB port, the probe can be powered or unpowered by pressing on the red button ON / OFF located on top of the probe.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document Type Page Document title 4 Instruction Manual 5 of 18 Required accessories Use of the HC2-AW-USB probe requires the following: 1) PC or Laptop The following are the minimum values required of the PC or laptop. It is highly recommended to exceed these values.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title 5 Operation 5.1 Initial steps Instruction Manual Document Type Page 6 of 18 Note: The HC2-AW-UBS probe is designed for use with a PC or laptop running the HW4 software Professional Edition with AwQuick (version 3.1 or higher).
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title 4. 5.2 Instruction Manual Document Type Page 7 of 18 Start HW4. In the HW4 main menu bar click on Devices and Groups > Search for Master Devices > USB Masters. After being discovered by HW4, the probe appears in the left pane of the HW4 main screen (device tree).
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title 5.2.1 Instruction Manual Document Type Page 8 of 18 Additional guidelines a) Measure water activity only in a temperature stable area. This is an essential requirement! Do not measure on a bench that is located near a heater, an AC vent or an open window. Avoid direct exposure of the probe and/or product samples to sun light (heating effect).
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 9 of 18 With the dwell time set to 4 minutes, measurements typically require about 5 minutes. When temperature conditions are stable (both at the product and probe), the measurement obtained with the AwQuick mode is generally within ± 0.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 10 of 18 5.3.3 Working with individual probes or with a group of probes Working with individual probes Probes just discovered by HW4 (HW4 Main Menu Bar > Devices and Groups > Search for Master Devices > USB Masters) are shown individually in the Device Tree.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 11 of 18 5.3.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 12 of 18 5) When HW4 detects equilibrium condition, the measurement ends automatically and the symbol to the left of the probe changes to green. The result appears in the “Water Activity” column.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 13 of 18 5.3.5 Water activity measurement report NOTE: Generate and save Protocols” must be enabled in HW4 Global Settings > Events tab Prior to clicking on the Stop button, click on the “Generate report” button to generate a measurement report.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 14 of 18 Use the report menu bar to sign and / or print the report. 5.3.6 Signing the report Select “Sign document” from the file menu to add your HW4 user name and a comment text to the report. For authentication purposes you will need to enter your password.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title Instruction Manual Document Type Page 15 of 18 A new section is inserted at the bottom of the report: © 2011-2012; Rotronic AG E-M-HC2-AW-USB-V1_11
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document title 6 Maintenance 6.1 Cleaning or replacing the dust filter Instruction Manual Document Type Page 16 of 18 Depending on the conditions of measurement, the wire mesh dust filter (model W24) should be checked from time to time. Corroded, discolored or clogged filters should be replaced. 6.
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document Type Page Document title 8 Instruction Manual 17 of 18 Specifications General Device type Humidity temperature probe Mechanical configuration See models Power supply and connections Supply voltage (VDD) 5 V (supplied from a USB port to which the probe is connected) Nominal current consumption < 25 mA Humidity measurement Sensor ROTRONIC Hygrom
E-M-HC2-AW-USB-V1_11 Rotronic AG Bassersdorf, Switzerland Document code Unit Water Activity and Temperature Probe HC2-AW-USB: User Guide Document Type Page Document title Critical environments 9 Instruction Manual 18 of 18 Humidity sensor: as per DV04-14.0803.
