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Tektronix A622, Инструкция по эксплуатации

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Getting started

The A622 current probe enables a general purpose oscilloscope to
display AC and DC current signals up to 100 amps Peak (70 A RMS).
The A622 current probe can also make AC and DC measurements with
a multimeter by using the BNC-to-banana plug adapter available as a
recommended accessory (see 

Replaceable Parts

 on page 13).

Figure 1: A622 AC/DC Current Probe

The following table highlights the controls and indicators on the A622
current probe.

A622 Instructions 

1

Содержание A622

Страница 1: ...A622 100 Amp AC DC Current Probe Instructions P070888305 070 8883 05 ...

Страница 2: ......

Страница 3: ...A622 100 Amp AC DC Current Probe Instructions www tek com 070 8883 05 ...

Страница 4: ...sued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 8...

Страница 5: ...s taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service...

Страница 6: ......

Страница 7: ...s manual The product is designed to be used by trained personnel only Only qualified personnel who are aware of the hazards involved should remove the cover for repair maintenance or adjustment Before use always check the product with a known source to be sure it is operating correctly This product is not intended for detection of hazardous voltages Use personal protective equipment to prevent sho...

Страница 8: ... environment Do not operate in an explosive atmosphere Keep product surfaces clean and dry Remove the input signals before you clean the product Probes and test leads Connect and disconnect properly Connect the probe output to the measurement product before connecting the probe to the circuit under test Disconnect the probe from the circuit under test before disconnecting the probe from the measur...

Страница 9: ...hock remove the current probe from the circuit before removing any covers or panels or opening the case for servicing Use care when servicing with power on Dangerous voltages or currents may exist in this product Disconnect power remove battery if applicable and disconnect test leads before removing protective panels soldering or replacing components Verify safety after repair Always recheck opera...

Страница 10: ... CAUTION indicates a hazard to property including the product Symbols on the product When this symbol is marked on the product be sure to consult the manual to find out the nature of the potential hazards and any actions which have to be taken to avoid them This symbol may also be used to refer the user to ratings in the manual The following symbols may appear on the product Important safety infor...

Страница 11: ...low voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Union Low Voltage Directive 2014 35 EU EN 61010 1 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements EN 61010 2 032 Particular requirements for handheld current clamps for electrical measurement and test equipment ...

Страница 12: ...ed only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a t...

Страница 13: ...cted to the low voltage installation Measurement Category III For measurements performed in the building installation Measurement Category IV For measurements performed at the source of low voltage installation NOTE Only mains power supply circuits have an overvoltage category rating Only measurement circuits have a measurement category rating Other circuits within the product do not have either r...

Страница 14: ...se of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2012 19 EU and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information ab...

Страница 15: ... 70 A RMS The A622 current probe can also make AC and DC measurements with a multimeter by using the BNC to banana plug adapter available as a recommended accessory see Replaceable Parts on page 13 Figure 1 A622 AC DC Current Probe The following table highlights the controls and indicators on the A622 current probe A622 Instructions 1 ...

Страница 16: ...DC component if present OFF Range switch Slide the switch from OFF to either the 10 mV A or 100 mV A range When either range is selected the probe is turned on and the green battery indicator lights If the indicator does not light see Battery Notes on page 7 Battery indicator The green battery indicator lights when the probe is turned on For more information see Battery Notes on page 7 Overload in...

Страница 17: ...probe to the instrument before clamping onto the circuit under test 1 Connect the probe BNC connector to the oscilloscope input Start by setting the oscilloscope channel vertical coupling to DC volts and the vertical deflection to 0 1 V div 2 Move the OFF Range switch to the 10 mV A or 100 mV A position to power on the probe The A622 current probe has a green LED power battery indicator If the LED...

Страница 18: ...igure 2 Connecting the A622 current probe 5 Adjust the probe and channel as necessary to get a clear view of the signal Set the channel to DC volts to see both the AC and DC currents set the channel to AC to see the AC current only The current drawn by some devices looks much different than that of others While the RMS current may be low the momentary peaks can be quite high The following figures ...

Страница 19: ...proper polarity reading To increase the measurement sensitivity of the A622 current probe loop additional turns of the wire under test through the jaws See Figure 4 Increasing the sensitivity on page 6 The sensitivity of the A622 current probe is multiplied times the number of loops in the jaws For example 10 mV A 4 turns 40 mV A CAUTION To prevent damage to the probes do not force the jaw closed ...

Страница 20: ...Figure 4 Increasing the sensitivity Operating Basics 6 A622 Instructions ...

Страница 21: ...ent probe uses a single 9 V battery Refer to Table 2 Electrical Characteristics on page 8 As the battery in the A622 current probe is drained significant gain errors can occur The green LED will continue to light until a low battery voltage of 6 5 V is reached If probe gain errors are detected replace the battery with a fresh one Battery Installation 1 Remove the probe from the circuit 2 Open the ...

Страница 22: ... in Table 5 Environmental Characteristics on page 10 Table 2 Electrical Characteristics Current Ranges 10 100 mV A DC Accuracy typical 3 50 mA at 100 mV A 50 mA to 10 A peak range 4 50 mA at 10 mV A 500 mA to 40 A peak range 15 max at 100 mV A 40 A peak to 100 A peak range Gain versus frequency typical Figure 6 Gain versus frequency at 1 A peak typical on page 10 Maximum Working Current Table 3 Vo...

Страница 23: ...urrent A Maximum working voltage V Maximum floating Range 10 mV A Range 100 mV A DC 100 2 10 600 600 DC peak AC 100 2 10 600 600 AC peak 100 10 600 600 AC peak peak 200 20 1200 RMS CAT III 70 7 7 07 600 600 RMS CAT II 70 7 7 07 600 600 RMS CAT I 70 7 7 07 600 600 1 An insulated conductor is any conductor that is surrounded by an insulating material that is capable of isolating the voltage present ...

Страница 24: ... Cable Length 2 m 6 6 feet Weight 330 g 12 oz with battery Table 5 Environmental Characteristics Characteristic Description Temperature Working 0 C to 50 C 32 F to 122 F Storage 20 C to 80 C 4 F to 176 F Humidity 0 C to 40 C 95 humidity 40 C to 50 C 45 humidity Pollution Degree 2 Figure 6 Gain versus frequency at 1 A peak typical Maintenance 10 A622 Instructions ...

Страница 25: ...Figure 7 Maximum current versus frequency Figure 8 DC signal linearity in the 10 mV A range typical Maintenance A622 Instructions 11 ...

Страница 26: ...owing packaging guidelines 1 Use a sturdy shipping carton having inside dimensions at least one inch greater than the probe dimensions 2 Put the probe into a plastic bag or wrap to protect it from dampness 3 Place the probe into the box and stabilize it with light packing material 4 Seal the carton with shipping tape Maintenance 12 A622 Instructions ...

Страница 27: ...t number 146 0017 XX ANSI NEDA number 1604A IEC number 6LR61 Recommended accessory for use with DMMs One BNC to banana plug adapter Tektronix part number 012 1450 XX The A622 does not have any user repairable assemblies If you should have trouble with your probe contact your local Tektronix Service Center or representative for help Maintenance A622 Instructions 13 ...

Страница 28: ...Maintenance 14 A622 Instructions ...

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