OWON HDS2202S 3-in-1 Handheld Oscilloscope User Manual

1. Introduction

This user manual provides comprehensive instructions for the OWON HDS2202S 3-in-1 Handheld Oscilloscope, which integrates a digital oscilloscope, a digital multimeter, and a waveform generator into a single portable device. Designed for electrical engineers, technicians, and hobbyists, this instrument is suitable for various applications including outdoor maintenance, rapid on-site measurement, automobile maintenance, and power detection.

The HDS2202S features a 3.5-inch high-resolution color LCD display, a 200MHz bandwidth oscilloscope with 1GSa/s real-time sampling rate, a 20000-count true RMS digital multimeter, and a waveform generator with up to 25MHz frequency output. Its compact design and long battery life make it an ideal tool for field use.

Figure 1.1: The OWON HDS2202S functions as a 3-in-1 universal test instrument, combining an oscilloscope, multimeter, and waveform generator, selectable via a single key switch.

2. Safety Information

To ensure safe operation and to avoid damage to the instrument or injury to yourself, please read the following safety precautions carefully before using the OWON HDS2202S.

• General Safety: Always operate the device within its specified ratings. Do not use the device if it appears damaged or is not operating properly.
• Power Supply: Use only the specified power adapter and battery. Ensure proper ventilation when charging.
• Measurement Safety: Be aware of voltage limits for each input. Do not apply voltages exceeding the maximum input rating. Always connect the ground lead before connecting the probe tip.
• Environment: Do not expose the device to rain, moisture, or extreme temperatures. Avoid using in explosive or flammable atmospheres.
• Maintenance: Refer all servicing to qualified service personnel. Do not attempt to repair the device yourself.

3. Product Overview

The OWON HDS2202S is a versatile handheld instrument designed for comprehensive electrical testing and analysis. It integrates three core functions:

• Digital Oscilloscope: Dual channels, 200MHz bandwidth, 1GSa/s real-time sampling rate, 8K record length, 10000 wfrms/s waveform refresh rate. Features include cursor measurement, auto-set function, and waveform storage.
• Digital Multimeter: 20000 counts, True RMS measurement. Supports voltage, current, resistance, diode, capacitance, and continuity tests. Max AC 750V, DC 1000V input voltage.
• Waveform Generator: Max 25MHz frequency output. Supports sine, square, ramp, pulse, and 8 built-in special waveforms (sinc, Bessely, besselj, StairUpDown, StairDown, AttAiT, AmpAiT). 0.1Hz frequency resolution, 14-bit vertical resolution, 125MSa/s sampling rate, Max 5Vpp output amplitude.

Figure 3.1: The OWON HDS2202S handheld oscilloscope and its standard accessories, including probes, test leads, power adapter, and carrying case.

3.1 Key Features and Components

The device features a user-friendly interface with dedicated function buttons and a clear LCD display.

Figure 3.2: Detailed diagram of the OWON HDS2202S showing its dimensions, oscilloscope input channels (CH1, CH2), waveform generator output (GEN Out), calibration signal port, USB Type-C charging and communication interface, and multimeter input connectors (A, mA, COM, VΩC).

• Display: 3.5-inch (320x240) high-resolution TFT color LCD screen.
• Control Panel: Intuitive button layout for mode selection, channel control, horizontal/vertical adjustments, measurement range, auto-set, save, and trigger functions.
• Input/Output Ports:
  • Oscilloscope Inputs (CH1, CH2): For connecting oscilloscope probes.
  • Waveform Generator Output (GEN Out): For outputting generated waveforms.
  • Multimeter Input Connectors (A, mA, COM, VΩC): For connecting multimeter test leads.
  • USB Type-C Interface: For charging and PC software connection.
  • Calibration Signal: 3.3V/1kHz square wave signal output.
• Power: Powered by a 4400mAh lithium battery, providing approximately 6 hours of continuous operation. USB Type-C interface supports power bank charging.
• Integrated Design: Features an integrated encapsulation design for durability and comfortable handling.
• Hangable Bracket: Includes a built-in bracket for convenient desktop use or hanging, saving working space.

Figure 3.3: The OWON HDS2202S features a hangable bracket for convenient positioning and space-saving.

4. Setup

Before first use, ensure the device is fully charged. Connect the USB Type-C cable to the device and a suitable USB power adapter (5V/2A recommended) or a power bank.

4.1 Battery Installation and Charging

1. Locate the battery compartment on the rear of the device.
2. Insert the provided 4400mAh lithium battery, ensuring correct polarity.
3. Close the battery compartment cover securely.
4. Connect the USB Type-C cable to the device's USB port and a power source. The charging indicator will illuminate.
5. Allow the device to charge until the battery indicator shows full.

4.2 Initial Power On

Press and hold the power button (usually located at the bottom left of the control panel) until the OWON logo appears on the screen. The device will boot into its default mode, typically the oscilloscope.

4.3 Probe and Test Lead Connection

• Oscilloscope Probes: Connect the BNC connector of the oscilloscope probe to the CH1 or CH2 input on the top of the device. Ensure the connector is twisted to lock it in place.
• Multimeter Test Leads: For multimeter functions, connect the red test lead to the VΩC or A/mA input, and the black test lead to the COM input on the bottom of the device.
• Waveform Generator Output: For waveform generation, connect a BNC cable to the GEN Out port on the top of the device.

5. Operating Instructions

The OWON HDS2202S offers three primary operating modes: Oscilloscope, Multimeter, and Waveform Generator. Use the "Mode" button to switch between these functions.

5.1 Oscilloscope Operation

The oscilloscope function allows for the visualization and analysis of electrical signals over time.

Figure 5.1: Examples of oscilloscope display modes, including two acquisition modes, high refresh rate, deep storage, auto measurement functions, cursor measurement, and waveform saving.

1. Select Oscilloscope Mode: Press the Mode button until the oscilloscope interface is displayed.
2. Connect Probes: Connect the oscilloscope probes to CH1 and/or CH2 inputs and to the circuit under test.
3. Auto-Set: Press the Auto button for automatic scaling and positioning of the waveform. This is useful for quickly getting a stable display.
4. Vertical Control: Use the vertical arrow keys (up/down) to adjust the vertical position of the waveform. Use the CH1/2 button to select the channel, then use the rotary knob or dedicated buttons to adjust the vertical scale (Volts/Div).
5. Horizontal Control: Use the horizontal arrow keys (left/right) to adjust the horizontal position. Use the HOR button to adjust the horizontal scale (Time/Div).
6. Trigger Settings: Press the Trig/Δ button to access trigger settings. Adjust trigger level, mode (Auto, Normal, Single), and slope to stabilize the waveform.
7. Measurements: Press the Measure Range button to display automatic measurements (e.g., Vpp, Vmax, Freq). Use the Trig/Δ button again to activate cursor measurements for precise voltage and time readings.
8. Save Waveform: Press the Save button to store the current waveform data.

5.2 Digital Multimeter Operation

The multimeter function provides precise measurements of various electrical parameters.

Figure 5.2: Overview of the instrument's functions, highlighting the 20,000 counts True RMS multimeter capabilities including voltage, current, resistance, diode, capacitance, and continuity tests.

1. Select Multimeter Mode: Press the Mode button until the multimeter interface is displayed.
2. Connect Test Leads: Connect the red and black test leads to the appropriate multimeter input jacks (VΩC, A, mA, COM) based on the desired measurement.
3. Select Measurement Function: Use the function buttons or rotary switch (if applicable) to select the desired measurement (e.g., DCV, ACV, Resistance, Capacitance, Diode, Continuity).
4. Perform Measurement: Connect the test leads to the circuit or component to be measured. The reading will be displayed on the screen.
5. Relative Value Measurement: The multimeter supports relative value measurement for comparing readings against a reference.

5.3 Waveform Generator Operation

The waveform generator produces various standard and arbitrary waveforms for testing circuits.

Figure 5.3: The waveform generator interface showing controls for frequency, amplitude (Vamp), offset, and waveform type. It supports sine, square, ramp, pulse, and 8 built-in special waveforms.

1. Select Generator Mode: Press the Mode button until the waveform generator interface is displayed.
2. Connect Output: Connect a BNC cable from the GEN Out port to the circuit or device requiring the signal.
3. Set Parameters: Use the navigation buttons to select and adjust parameters such as:
   • Frequency (Freq): Up to 25MHz.
   • Amplitude (Vamp): Max 5Vpp output.
   • Offset: DC offset for the waveform.
   • Type: Select waveform type (Sine, Square, Ramp, Pulse, or one of the 8 special waveforms).
4. Enable Output: Ensure the output is enabled (usually indicated by "Output: ON" on the screen).

6. Maintenance

Proper maintenance ensures the longevity and accuracy of your OWON HDS2202S.

• Cleaning: Clean the device regularly with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth with mild detergent. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the device in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the battery is partially charged (around 50%) before long-term storage to preserve battery health.
• Battery Care: Recharge the battery regularly, even if not in frequent use, to prevent deep discharge. If the battery is replaceable, ensure it is replaced with an original OWON battery.
• Probe and Lead Care: Inspect probes and test leads for any damage (e.g., frayed wires, cracked insulation) before each use. Replace damaged accessories immediately.
• Calibration: For optimal accuracy, periodic calibration by qualified personnel is recommended.

7. Troubleshooting

This section addresses common issues you might encounter with your OWON HDS2202S. If the problem persists, contact customer support.

8. Specifications

Detailed technical specifications for the OWON HDS2202S.

9. Warranty and Support

OWON provides a warranty for this product against defects in materials and workmanship. The specific warranty period may vary by region and retailer. Please retain your purchase receipt as proof of purchase for warranty claims.

For technical support, service, or warranty inquiries, please contact OWON customer service or your local distributor. You may find contact information on the official OWON website or through your purchase channel.

OWON Official Website: www.owon.com

Note: A user review mentioned a 3-year warranty. Please verify the exact warranty terms with OWON or your retailer.