Data Harvest 1153 Manual

Wireless skin resistance sensor

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1153 - Wireless Skin
Resistance Sensor
© Copyright Data Harvest Group Ltd - All Rights Reserved - Freely photocopiable for use within the purchaser's
establishment

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Summary of Contents for Data Harvest 1153

  • Page 1 1153 - Wireless Skin Resistance Sensor © Copyright Data Harvest Group Ltd - All Rights Reserved - Freely photocopiable for use within the purchaser’s establishment...
  • Page 2: Table Of Contents

    1153 - Wireless Skin Resistance Sensor Table of contents Introduction ...................... 3 Pack Contents ....................4 Operational Overview ..................5 Connectivity ...................... 9 Charging the Sensor ..................10 Firmware Updates .................... 11 Usage Information ................... 12 Practical Investigations ..................15 Sensor Specifications ..................
  • Page 3: Introduction

    1153 - Wireless Skin Resistance Sensor Introduction Thank you for purchasing the Smart Skin Resistance Sensor. We pride ourselves on producing high quality products that meet with the demands of the busy classroom environment. If you have any problems using this sensor, please read this documentation in full before contacting the Data Harvest support team.
  • Page 4: Pack Contents

    1153 - Wireless Skin Resistance Sensor Pack Contents This product is supplied with the following items: · 1 x Smart Wireless Skin Resistance Sensor · 1 x Pair Skin Electrodes · 1 x USB Connecting Lead Additional Accessories To get the most from your Smart Wireless Skin Resistance Sensor, the following items should be considered: ·...
  • Page 5: Operational Overview

    · If the sensor fails to respond, contact Product Support at Data Harvest. Please provide details of:  The computer platform it is being used with and the EasySense app’s version number. 5 / 22 | Revision: 0 | DS195...
  • Page 6: The Status Indicators

    1153 - Wireless Skin Resistance Sensor A description of the problem being encountered. USB Port (3) Use to connect to a computer or a charging unit. For specific USB or Bluetooth connectivity instructions, please see the 'Connectivity' section of this documentation.
  • Page 7 1153 - Wireless Skin Resistance Sensor These electrodes provide the interface between the skin and the sensor. They are designed to give direct contact and measure using DC stimulus. The are designed to permit measurement changes but also facilitate enough freedom to avoid sweat build up.
  • Page 8 1153 - Wireless Skin Resistance Sensor Mode. This facility may be found in EasySense, under Setup. Once the conditions for data collection have been established, the sensor can be set to initiate collection for example, using a rapid press of the power button.
  • Page 9: Bluetooth Connectivity

    1153 - Wireless Skin Resistance Sensor Connectivity The sensor is both USB and Bluetooth compatible. Install the EasySense app, if it is not already on your device. For details of how to operate the EasySense app, please refer to the EasySense documentation.
  • Page 10: Charging The Sensor

    1153 - Wireless Skin Resistance Sensor Charging the Sensor The Smart Wireless sensors are fitted with a rechargeable lithium-ion battery and can be charged via the USB port. Use the supplied USB lead to connect the sensor either directly to a USB port on your computer, a powered USB hub or a USB mains charger that outputs 5 V at 500 mA or more.
  • Page 11: Firmware Updates

    1153 - Wireless Skin Resistance Sensor Firmware Updates Occasionally Data Harvest may release updated firmware which will contain improvements or new features. Updates will take place when you connect your sensor to the EasySense app. You will be given the option to decline an update.
  • Page 12: Usage Information

    1153 - Wireless Skin Resistance Sensor Usage Information Human skin is a complicated multi-layered barrier that helps facilitate several vital functions. In general, the electrical resistance of the skin has variable behaviour depending on whether AC or DC voltages are applied, and what state the skin is in when presented with stimulus.
  • Page 13 1153 - Wireless Skin Resistance Sensor Loose connective tissue in the corium (internal dermis) helps support many of the skin's other components, such as sweat glands. Most sweat glands are of the eccrine variety: they are greater in number and widely spread compared with their apocrine relative.
  • Page 14: Care Of The Unit

    1153 - Wireless Skin Resistance Sensor discounted. -1/2 -1/2 |Z| = {[(2R + (-2π f C + (R + (-2π f C When f = 0, (DC), then: Z = R )/(R + 2R Since this sensor measures in the DC mode, then what we can reliably evaluate is the value of Z. This can also be applied comparatively.
  • Page 15: Practical Investigations

    1153 - Wireless Skin Resistance Sensor Practical Investigations The Smart Wireless Skin Resistance Sensor can be used to investigate a number of scientific experiments such as: · The Stroop Effect · Examination of skin performance with exercise · Mapping the skin resistance (and composition) by location...
  • Page 16: Sensor Specifications

    1153 - Wireless Skin Resistance Sensor Sensor Specifications Please read the following table for sensor specifications. Feature Detail Measurement Ranges 0 to 20 μS Accuracy 1 μS Resolution ± 0.01 μS Fastest logging speed 50 samples per second [20 ms]...
  • Page 17: Limited Warranty

    Postage Charges · In the event of a fault developing, the product must be returned in suitable packaging to Data Harvest for repair or replacement at no expense to the user other than postal charges. · There will be no postal charge for the return of repaired goods to any mainland UK address (for other areas, additional shipping charges may apply).
  • Page 18: Compliance

    Waste Electrical and Electronic Equipment Legislation Data Harvest Group Ltd is fully compliant with WEEE legislation and is pleased to provide a disposal service for any of our products when their life expires. Simply return them to us clearly identified as ‘life expired’ and we will dispose of them for you.
  • Page 19: Troubleshooting

    1153 - Wireless Skin Resistance Sensor Troubleshooting If you experience any problems with your product, please try the following troubleshooting tips before contacting the Data Harvest support team. Feature Detail Loss of Bluetooth Connectivity If the sensor loses Bluetooth connection and will not reconnect try: Closing and reopening the EasySense app.
  • Page 20: Notices

    2. When the sensor is connected to a computer, the computer should be turned on and not in sleep or standby mode, as the battery may drain instead of charge. 3. Data Harvest products are designed for educational use and are not intended for use in industrial, medical or commercial applications.
  • Page 21: Contact Information

    1153 - Wireless Skin Resistance Sensor Contact Information To contact Data Harvest directly, please use any of the following channels: Traditional Communications Data Harvest Group Ltd. 1 Eden Court, Eden Way, Leighton Buzzard, Bedfordshire, LU7 4FY United Kingdom Tel: +44 (0) 1525 373666...
  • Page 22: Pdf Translations

    1153 - Wireless Skin Resistance Sensor PDF Translations 22 / 22 | Revision: 0 | DS195...

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