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TiePie Handyscope HS3 User Manual

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  • Page 1 Handyscope HS3 User manual TiePie engineering...
  • Page 2 ATTENTION! Measuring directly on the line voltage can be very dangerous. The outside of the BNC connectors at the Handyscope HS3 are connected with the ground of the computer. Use a good isolation transformer or a dif- ferential probe when measuring at the line voltage or at grounded power supplies! A short-circuit current will flow if the ground of the Handyscope...

  • Page 3: Table Of Contents

    Contents 1 Safety 2 Declaration of conformity 3 Introduction 3.1 Sampling ....... . . 3.2 Sample frequency .
  • Page 4 8 Specifications 8.1 Acquisition system ......8.2 Trigger system ......8.3 Arbitrary Waveform Generator .

  • Page 5: Safety

    Do not use the equipment if it does not operate properly. Have the equip- ment inspected by qualified service personal. If necessary, return the equip- ment to TiePie engineering for service and repair to ensure that safety fea- tures are maintained.
  • Page 6 Chapter 1...

  • Page 7: Declaration Of Conformity

    Koperslagersstraat 37 8601 WL Sneek The Netherlands EC Declaration of conformity We declare, on our own responsibility, that the product Handyscope HS3-5MHz Handyscope HS3-10MHz Handyscope HS3-25MHz Handyscope HS3-50MHz Handyscope HS3-100MHz for which this declaration is valid, is in compliance with...
  • Page 8 In order to avoid release of such substances into the environment and to reduce the use of natural resources, recycle the Handyscope HS3 in an appropriate sys- tem that will ensure that most of the materials are reused or recycled appropri- ately.

  • Page 9: Introduction

    195 kS/s Table 3.1: Maximum sampling frequencies With the accompanying software the Handyscope HS3 can be used as an oscil- loscope, a spectrum analyzer, a true RMS voltmeter or a transient recorder. All instruments measure by sampling the input signals, digitizing the values, process them, save them and display them.

  • Page 10: Sample Frequency

    Figure 3.1: Sampling The sine wave in figure is sampled at the dot positions. By connecting the adjacent samples, the original signal can be reconstructed from the samples. You can see the result in figure 3.2. Figure 3.2: ”connecting” the samples Sample frequency The rate at which the samples are taken is called the sampling frequency, the number of samples per second.

  • Page 11: Aliasing

    Figure 3.3: The effect of the sampling frequency The sampling frequency must be higher than 2 times the highest frequency in the input signal. This is called the Nyquist frequency. Theoretically it is possible to reconstruct the input signal with more than 2 samples per period. In practice, 10 to 20 samples per period are recommended to be able to examine the signal thoroughly.

  • Page 12: Digitizing

    Figure 3.4: Aliasing In figure 3.4, the green input signal (top) is a triangular signal with a frequency of 1.25 kHz. The signal is sampled with a frequency of 1 kHz. The corresponding sampling interval is 1/1000Hz = 1ms. The positions at which the signal is sampled are depicted with the blue dots.

  • Page 13: Signal Coupling

    When measuring DC signals, make sure to set the signal coupling of the input to DC. Probe compensation The Handyscope HS3 is shipped with a probe for each input channel. These are 1x/10x selectable passive probes. This means that the input signal is passed through directly or 10 times attenuated.
  • Page 14 When using an oscilloscope probe in 1:1 the setting, the bandwidth of the probe is only 6 MHz. The full bandwidth of the probe is only obtained in the 1:10 setting The x10 attenuation is achieved by means of an attenuation network. This attenu- ation network has to be adjusted to the oscilloscope input circuitry, to guarantee frequency independency.

  • Page 15: Driver Installation

    Introduction To operate a Handyscope HS3, a driver is required to interface between the mea- surement software and the instrument. This driver takes care of the low level communication between the computer and the instrument, through USB. When...
  • Page 16 When drivers were already installed, the install utility will remove them before installing the new driver. To remove the old driver successfully, it is essential that the Handyscope HS3 is disconnected from the computer prior to starting the driver install utility. When the Handyscope HS3 is used with an external power supply, this must be disconnected too.
  • Page 17 Figure 4.3: Driver install: Finished Driver installation...
  • Page 18 Chapter 4...

  • Page 19: Hardware Installation

    In order to power the Handyscope HS3 externally, an external power input is pro- vided for. It is located at the rear of the Handyscope HS3. Refer to paragraph for specifications of the external power intput.
  • Page 20 Chapter 5...

  • Page 21: Front Panel

    HS3. Connecting the outside of the BNC connector to a potential other than ground will result in a short circuit that may damage the device under test, the Handyscope HS3 and the computer. GENERATOR output connector The OUT BNC connector is the output of the internal Arbitrary Waveform Genera- tor.
  • Page 22 Chapter 6...

  • Page 23: Rear Panel

    Figure 7.1: Rear panel Power The Handyscope HS3 is powered through the USB. If the USB cannot deliver enough power, it is possible to power the instrument externally. The Handyscope HS3 has two external power inputs located at the rear of the instrument: the dedicated power input and a pin of the extension connector.

  • Page 24: Usb Power Cable

    The Handyscope HS3 is equipped with a USB 2.0 High speed (480 Mbit/s) interface with a fixed cable with type A plug. It will also work on a computer with a USB 1.1 interface, but will then operate at 12 Mbit/s.

  • Page 25: Extension Connector

    Extension Connector Figure 7.4: Extension connector To connect to the Handyscope HS3 a 25 pin female D-sub connector is available, containing the following signals: Description Description Ground Ground Reserved Ground External Power in DC Reserved Ground Ground +5V out, 10 mA max.
  • Page 26 Chapter 7...

  • Page 27: Specifications

    Specifications Acquisition system Number of input channels 2 analog CH1, CH2 Type Single ended Resolution 8, 12, 14, 16 bit user selectable 0.2% of full scale ± 1 LSB Accuracy Range 200 mV to 80 V full scale Coupling AC/DC Impedance 1 MΩ...

  • Page 28: Arbitrary Waveform Generator

    Arbitrary Waveform Generator Output channel 1 analog, BNC DAC Resolution 14 bit @ 50 MS/s Output range -12 V to 12 V (open circuit) Amplitude Range 0.1 V, 0.9 V, 12 V (open circuit) Resolution 13 bit Accuracy 0.4 % of range DC offset Range -12 V to 12 V (open circuit)

  • Page 29: I/O Connectors

    300 V CAT I 600 V CAT I 150 V CAT II 300 V CAT II 8.12 Package contents Instrument Handyscope HS3 Probes 2 x HP-3060 X1 / X10 switchable Accessories USB power cable Software Windows 7 / 8 / 10...
  • Page 30 Chapter 8...
  • Page 31 If you have any suggestions and/or remarks regarding this manual, please contact: TiePie engineering Koperslagersstraat 37 8601 WL SNEEK The Netherlands Tel.: +31 515 415 416 Fax: +31 515 418 819 E-mail: support@tiepie.nl Site: www.tiepie.com...

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