Owon HDS272S Manuale utente

HDS200 Dual Channel Series

Handheld Oscilloscope User Manual

◼HDS272（S）

◼HDS242（S）

◼HDS2102（S）

For product support, visit:www.owon.com.hk/download

Oct 2021 edition V1.0.3

The LILLIPUT's products are under the protection of the patent rights, including ones

which have already obtained the patent rights and those which are applied for. The

information in this manual will replace all materials published.

The information in this manual was correct at the time of printing. However, LILLIPUT will

continue to improve products and reserves the rights to change specification at any time

without notice.

is the registered trademark of the LILLIPUT Company.

Fujian LILLIPUT Optoelectronics Technology Co., Ltd.

No. 19, Heming Road

Lantian Industrial Zone, Zhangzhou 363005 P.R. China

Tel: +86-596-2130430 Fax: +86-596-2109272

Web: www.owon.com E-mail: info@owon.com.cn

General Warranty

We warrants that the product will be free from defects in materials and

workmanship for a period of 3 years from the date of purchase of the product

by the original purchaser from the our Company. The warranty period for

accessories such as probes, adapter is 12 months. This warranty only applies

to the original purchaser and is not transferable to a third party.

If the product proves defective during the warranty period, we will either repair

the defective product without charge for parts and labour, or will provide a

replacement in exchange for the defective product. Parts, modules and

replacement products used by our company for warranty work may be new or

reconditioned like new. All replaced parts, modules and products become the

property of our company.

In order to obtain service under this warranty, the customer must notify our

company of the defect before the expiration of the warranty period. Customer

shall be responsible for packaging and shipping the defective product to the

designated service centre, a copy of the customers proof of purchase is also

required.

This warranty shall not apply to any defect, failure or damage caused by

improper use or improper or inadequate maintenance and care. We shall not

be obligated to furnish service under this warranty a) to repair damage

resulting from attempts by personnel other than our company representatives

to install, repair or service the product; b) to repair damage resulting from

improper use or connection to incompatible equipment; c) to repair any

damage or malfunction caused by the use of not our supplies; or d) to service a

product that has been modified or integrated with other products when the

effect of such modification or integration increases the time or difficulty of

servicing the product.

Please contact the nearest Sales and Service Offices for services or a

complete copy of the warranty statement.

Excepting the after-sales services provided in this summary or the

applicable warranty statements, we will not offer any guarantee for

maintenance definitely declared or hinted, including but not limited to

the implied guarantee for marketability and special-purpose acceptability.

We should not take any responsibilities for any indirect, special or

consequent damages

 
 
i 
Table of Contents 
1. SAFETY INFORMATION··································· 3
2. HOW TO IMPLEMENT THE GENERAL INSPECTION
 6
3. HOW TO USE THE OSCILLOSCOPE·················· 7
The Structure of the Oscilloscope ·········································································7
Front Panel and Keys·························································································7
Side Panel·······································································································9
Introduction to the User Interface of the Oscilloscope ·············································· 10 
Functional Check ···························································································· 11 
Probe Compensation ······················································································· 12 
Probe Attenuation Coefficient Setting···································································13 
Safe Use of Probe··························································································· 14 
Vertical System······························································································· 15 
Horizontal System··························································································· 16 
Measuring System··························································································· 17 
4. HOW TO USE THE MULTIMETER ·····················23
About This Chapter·························································································· 23 
Instrument Interface························································································· 24 
5. HOW TO USE THE WAVEFORM GENERATOR
（OPTIONAL）····················································26
Connect the output··························································································· 26 
Set the waveform······························································································ 26 
Set the load ··································································································· 26 
Output the sine waveform ················································································· 27 
Output the square waveform··············································································28 
Output the ramp waveform················································································ 28 
Output the pulse waveform················································································ 28 
Output the Arbitrary waveform············································································ 29 
6. COMMUNICATION WITH PC····························30
7. TROUBLESHOOTING·····································31
8. TECHNICAL SPECIFICATIONS ························33
Oscilloscope ·································································································· 33 

Multimeter ····································································································· 35

Arbitrary Waveform Generator (Optional)······························································ 36

General Technical Specifications ········································································ 38

9. APPENDIX····················································39

Appendix A: List of Accessories ··········································································39

Appendix B: Maintenance and Cleaning ······························································· 39

1. Safety Information

(Before using this product, please read the safety information in advance)

Safety Terms

Terms in this manual (The following terms may appear in this manual):

Warning: Warning indicates conditions or practices that could result

in injury or loss of life.

Caution: Caution indicates the conditions or practices that could

result in damage to this product or other property.

Terms on the product. The following terms may appear on this product:

Danger: Indicates an immediate hazard or injury possibility.

Warning: Indicates a possible hazard or injury.

Caution: Indicates potential damage to the instrument or other property.

Safety Symbols

Symbols on the product. The following symbol may appear on the

product:

Hazardous Voltage

Refer to Manual

Protective Earth Terminal

Chassis Ground

Test Ground

Safety Requirements

Please read the following safety precautions to avoid personal injury and

prevent damage to this product or any other products connected to it. In order

to avoid possible hazards, this product can only be used within the specified

range.

Warning:

To prevent electric shock or fire, use a suitable power adapter. Only power

adapters that are dedicated to this product and approved for use in the country

of use may be used.

Warning:

The two channels of the oscilloscope are non-isolated channels. Note that the

channel should use a common reference when measuring, and the ground

wires of the two probes cannot be connected to two non-isolated places with

different DC electrical levels, otherwise it may cause a short circuit due to the

ground wire connection of the oscilloscope probe.

Warning:

Note that the channel should use a common reference when measuring,

otherwise it may cause a short circuit due to the ground wire connection of the

oscilloscope probe.

Schematic diagram of the internal ground wire connection of the oscilloscope:

Ground Clip

Signal Input

Electrical Outlet

Probe AC Adapter

Oscilloscope

Schematic diagram of internal ground connection when oscilloscope is

connected with computer through the port:

Ground Clip

Signal Input

Oscilloscope PC Electrical OutletProbe

USB Cable

When the oscilloscope is AC powered by adapter or connected with AC

powered computer through the port, it is not allowed to measure the primary

power supply of power grid.

Warning:

If the input port of the oscilloscope is connected to a voltage with a peak value

higher than 42V (30vrms) or a circuit with a peak value of more than 4800 VA,

the following measures shall be taken to avoid electric shock or fire:

⚫Only voltage probes, test wires and adapters with proper insulation

attached to the oscilloscope or accessories suitable for oscilloscope

instrument series products specified by our company shall be used.

⚫Before use, check the multimeter test probe, oscilloscope probe and

accessories for mechanical damage. If damage available, replace it.

⚫Remove all unused multimeter test probes, oscilloscope probes and

accessories (power adapter, USB, etc.).

⚫Firstly, plug the power adapter into the AC socket, and then connect it to

the oscilloscope.

⚫When testing in a CAT II environment, do not connect a voltage higher

than 400 V to any input port.

⚫When testing in a CAT II environment, do not connect a voltage with a

voltage difference of more than 400 V to the isolated input port.

⚫Do not use an input voltage higher than the rated value of the instrument.

Pay special attention when using 1:1 test wires, because the probe voltage

will be directly transmitted to the oscilloscope.

⚫Do not touch the bare metal BNC or banana plug.

⚫Do not insert metal objects into the connector.

⚫Use the oscilloscope only in the specified way.

⚫The voltage rating mentioned in the "warning" information is the limited

value of "working voltage". They represent V ac rms (50-60 Hz) in AC sine

wave applications; and V dc in DC applications. CAT is the prefix, and II

refers to the level. Level II is the low voltage and high energy level, which

refers to the local electrical level applicable to electrical appliances and

portable equipment.

◼Only a qualified person should perform internal maintenance.

◼Check all Terminal Ratings. To avoid fire or shock hazard, check all

ratings and markings on this product. Refer to the user manual for more

information about ratings before connecting to the instrument.

◼Do not operate without covers. Do not operate the instrument with

covers or panels removed.

◼Avoid exposed circuit. Be careful when working on exposed circuitry to

avoid risk of electric shock or other injury.

◼Do not operate if any damage. If you suspect damage to the instrument,

have it inspected by qualified service personnel before further use.

◼Do not operate in damp conditions.

◼Do not operate in an explosive atmosphere.

◼Keep product surfaces clean and dry.

◼Using the equipment not in accordance with the method specified

by the manufacturer may damage the protection provided by the

equipment.

2. How to Implement the General Inspection

After you get a new oscilloscope, it is recommended that you should

make a check on the instrument according to the following steps:

1. Check whether there is any damage caused by transportation.

If it is found that the packaging carton or the foamed plastic protection

cushion has suffered serious damage, do not throw it away first till the

complete device and its accessories succeed in the electrical and

mechanical property tests.

2. Check the Accessories

The supplied accessories have been already described in the "Appendix A:

List of Accessories" of this Manual. You can check whether there is any loss

of accessories with reference to this description. If it is found that there is

any accessory lost or damaged, please get in touch with our distributor

responsible for this service or our local offices.

3. Check the Complete Instrument

If it is found that there is damage to the appearance of the instrument, or the

instrument can not work normally, or fails in the performance test, please get in

touch with our distributor responsible for this business or our local offices. If

there is damage to the instrument caused by the transportation, please keep

the package. With the transportation department or our distributor responsible

for this business informed about it, a repairing or replacement of the instrument

will be arranged by us.

3. How to Use the Oscilloscope

The Structure of the Oscilloscope

Front Panel and Keys

The front panel and keys of the oscilloscope are shown in Figure 4:

517

Figure 4: Front Panel of the Oscilloscope

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