User`s Manual Model 701944/701945 100:1 Probe
Contents
1. Measurement category II is for measurements performed on circuits directly connected to the low voltage installation Measurement on household appliances portable tools and similar devices Measurement category is for measurements performed on circuits not directly connected to a main supply Measurements in circuits not derived from a main supply and specially protected internal circuits derived from a main supply IM701944 01E Voltage Derating CAUTION As the frequency of the input signal increases the maximum rating of the input voltage of the probe decreases For details about appropriate input voltage see Section 3 Specifications Typical Voltage Derating 1200 1000 PH 800 600 400 200 Amplitude AC rms V Sinus 0 1 1 10 100 1000 Frequency MHz Input Impedance CAUTION As the frequency of the input signal increases the input impedance of the probe decreases Typical input impedance 100000 00 10000 00 r miae g mee m ei tase 1000 00 aia Tens saii an i tarse ai 100 00 i pris aiii a ancl ieni oy Z KOhm 3 2 Oo 1 00 annu ai poe anni ana mana ary 0 10 a e ry aoa ay raem ni 0 01 1E 05 0 0001 0 001 0 01 0 1 1 10 1002. place in the user s manual to identify those instructions In the manual the symbol is used in conjunction with the word WARNING or CAUTION WVANRNINem Describes precautions that should be observed to prevent serious injury or death to the user CAUTION Describes precautions that should be observed to prevent minor or moderate injury or damage to the instrument Note Provides important information for the proper operation of the instrument Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This directive is only valid in the EU This product complies with the WEEE Directive 2002 96 EC marking require ment The following marking indicates that you must not discard this electrical elec tronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this prod uct is classified as a Monitoring and Control instrumentation product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office 2 IM701944 01E Safety Precautions To safely operate this product and to fully utilize its functionality strictly observe the following cautions This product complies with the requirements stated in measurement categories and Il and pollution degree 2 defined in IEC61010 031 If this probe is operated in a manner not specified in this manual this may cause the protectio
3. 1000 Frequency MHz 6 IM701944 01E Maximum Pulse Ratings For pulse measurements make sure to comply with the ratings as shown below RMS vs Peak Pulse Voltage Measurement Category I 8000 7000 6000 a S z Ss 4000 4 3000 2000 1000 Peak Pulse V 0 200 400 600 800 1000 AC rms or DC V Maximum Pulse Derating Measurement Category 6000 2 j fi 5500 5000 4500 b Duty cycle 2 4000 y o 3500 EA Fj a amp 3000 is i E 1 q 1 a 2500 E x 2000 1500 1 A 1000 10 100 1000 Duration msec IM701944 01E Handling CAUTION e Since the spring type contact tip is very thin and sharp great care should be taken to prevent personal injury when the contact tip is mounted In particular handle the spring type contact tip with great care The probe cable is a delicate part of the probe If the probe cable is bent or pulled forcibly this may cause the cable to break To keep the accuracy and protect the product do not apply any impact or shock to the product Cautions When Using the Probe with DL1700 Series Instruments Yokogawa DL1700 series digital oscilloscopes excluding the DL1700E have two different types of probe connectors A and B in the figure below Be sure to check which type of probe connector your DL1700 series instrumen
4. User s Model 701944 701945 Manual 100 1 Probe YOKOGAMA IM 701944 01E Yokogawa Electric Corporation 2nd Edition Introduction This 701944 and 701945 probe is the high voltage probe with a 100 1 attenuation The very sharp probe tip is spring loaded and minimizes the pressure to the device under test It also prevents the probe from slipping on the board surface In particular the spring mechanism is useful when using the probe with it inclined The probe tip is changeable Replacement tips are provided in the accessory pack Checking the Contents of the Package If some of the contents are not correct or if any items are missing or damaged contact the dealer from which you purchased them 701944 701945 probe main unit Accessories User s Manual this manual 1 Pincher tip 1 Standard ground lead 1 Adjustment tool 1 Rigid tip 1 Spring tip 1 Color coding rings 1 set Insulation cap 1 Protection cap 1 Installed in the probe Plugged on the probe Revisions 1st Edition November 2006 2nd Edition March 2007 2nd Edition March 2007 YK All Rights Reserved Copyright 2006 Yokogawa Electric Corporation IM701944 01E 1 Conventions Used in This Manual Improper handling or use can lead to injury to the user or damage J to the instrument This symbol appears on the instrument to indicate that the user must refer to the user s manual for special instructions The same symbol appears in the corresponding
5. cts Do not touch exposed connections and components when power is present EN IM701944 01E 3 Specifications The specifications described in this section apply to the probe connected to Yokogawa s oscilloscope model DL series and may vary depending on the type of oscilloscope connected The preconditions for the following specifications are that the instrument should be warmed up for at least 20 minutes and the environmental conditions should not exceed the specified limits of the probe Electrical Specifications Item 701944 701945 Attenuation Ratio 100 1 2 DC 100 1 2 DC Voltage Coefficient 0 0005 V typical value 0 0005 V typical value System Bandwidth 400 MHz 3 dB 250 MHz 3 dB Probe Rise Time lt 900 ps 10 to 90 lt 1 4ns 10 to 90 Maximum Input Voltage 1000 Vrms 1000 Vrms This specification value is obtained when the probe is connected to an oscilloscope having an input resistance of 1 MQ 1 This specification value is obtained when the probe is connected to an oscilloscope having a bandwidth of 500 MHz or greater When the probe is connected to an oscilloscope having a bandwidth of less than 500 MHz depends on the bandwidth of the oscilloscope main unit See the compatible standards shown below See also Voltage Derating Electrical Characteristics Input Resistance system 50 MQ 1 Input Capacitance system 7 5 pF typical val
6. n capability of this product to lessen Additionally YOKOGAWA shall not be held responsible for defects arising from negligence of such warning and caution and also shall not guarantee the product in such case Before using this probe thoroughly read the instruction manual for measuring instrument to fully understand the specifications and handling precautions for safe and correct operation A e Grounding of the measuring instrument The protective grounding terminal of the measuring instrument must be connected to ground e Ground lead of the probe Make sure to connect the ground lead of the probe to the ground ground potential Connecting the object of measurement Make sure to avoid an electric shock when connecting the probe to the object of measurement Do not remove the probe from the measuring instrument after the object of measurement is connected e Do not operate with suspected failures If you suspect that there is damage to this probe have it inspect by a service personnel e Maximum input voltage Do not apply any voltages exceeding the maximum input voltage to the probe e Do not operate in wet damp conditions To avoid electric shock do not operate this probe in wet or damp conditions e Do not operate in explosive atmosphere To avoid injury or fire hazard do not operate this probe in an explosive atmosphere e Avoid exposed circuitry To avoid injury remove jewelry such as rings watches and other metallic obje
7. t uses If the probe connector is of type B you must use an anti interference sheet This sheet is provided free of charge by contacting your nearest Yokogawa representative If the anti interference sheet is not used part of the probe can become caught on and potentially damage the front bezel or become unable to be disconnected If probe connector type A is used on your DL1700 series instrument the anti interference sheet is not required Probe connector type Affixing the Anti Interference Sheet Affix the anti interference sheet to the DL1700 series instrument s probe connector as shown in the figure below Anti Interference Sheet IM701944 01E Maintenance Cleaning When cleaning the exterior of the probe clean it using a soft cloth rag moistened with either water or isopropyl alcohol In this case dry the probe completely before starting the measurement Changing the Probe Tip To change the probe tip grip the tip firmly with pliers and carefully pull it straight out of its contact socket along the axis of the probe Do not grip the white plastic insulator or the housing with pliers because this will damage the probe tip If the probe tip is removed the new tip can be inserted with pliers into the socket along the axis of the probe To insert the probe tip completely into the housing press the probe tip against a hard surface carefully Use pliers to grip and pull the probe tip Do not grip the white plastic ins
8. tio is factory adjusted using 500 VDC source and measuring device with a precision input impedance of 1 MQ 1 LF Compensation DC HF Compensation Replaceable Parts Replaceable parts are prepared as sets When ordering any replaceable part set inform a desired set name and its part number Accessories Basic part number B9852Hk Pincher tip 2 Standard ground lead 2 Rigid tip 2 Spring tip 2 Accessories HV part number B9852HL Safety Alligator Clip 2 Flexible Adapter 1 Ground Lead 22 cm to 4 mm banana plug 1 10 IM701944 01E List of Accessories CAUTION e Use ground lead only for grounding connections e Do not use any accessories other than those originally provided Adjustment Tool Set Coding Rings 3x4 colors Solid Tip 0 8mm Spring Tip 0 8mm Ground Lead L 22cm Insulating Cap Se Ground Lead 22 cm to 4mm Pincher Tip banana plug Protection Cap See Flexible Adapter 5 0 L to 4mm Safety Alligator Clip IM701944 01E 11 YOKOGAWA ELECTRIC CORPORATION Communication amp Measurement Business Headquarters Phone 81 422 52 6768 Fax 81 422 52 6624 E mail tm csv yokogawa co jp YOKOGAWA CORPORATION OF AMERICA YOKOGAWA EUROPE B V Phone 1 301 916 0409 Fax 1 301 916 1498 Phone 31 33 4641858 Fax 31 33 4641859 YOKOGAWA ENGINEERING ASIA PTE LTD Phone 65 62419933 Fax 65 62412606
9. ue Input Impedance system See also Input Impedance Compensation Range 10 pF to 50 pF typical value Input Coupling of the measuring instrument 1 MQ DC AC Mechanical Characteristics Weight probe only Approximately 55 g Cable Length Approximately 1 2 m 701944 3 m 701945 External Dimensions 81 Unit mm n ite N mM 151 Ha i mM gt 1O lt 0 z el e lt 4 IM701944 01E Environmental Specifications Altitude Operating Up to 2000 m Storage Up to 15000 m Temperature Range Operating 0 C to 50 C Storage 40 Cto71 C Maximum Relative Humidity Operating Relative humidity of 80 at a temperature of up to 31 C decreasing linearly to relative humidity of 40 at 50 C if the temperature is 31 C or higher Standards Compliance This product is compliance with the following categories of IEC61010 031 Measurement Category 1000 Vrms 4000 V transient over voltage Measurement Category II 1000 Vrms CATII Pollution Degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected Definitions and Examples of IEC Measurement Category Measurement category II CAT II Measurement category Definition Examples Definition Examples
10. ulator carefully out of its contast socket or the housing with pliers Adjustment Procedures LF Compensation LF needs to be adjusted when the probe is connected to the scope input the first time LF compensation matches the probes cable capacitance to the oscilloscope input capacitance This matching assures good amplitude accuracy from DC to upper bandwidth limit frequencies A poorly compensated probe clearly influences the overall system performance probe scope and introduces measurement errors resulting in inaccurate readings and distorted waveforms LF compensation is performed by connecting the probe to the COMP output on the oscilloscope and adjust the LF compensation trimmer see also the Figs below optimum square wave response LE EEE HEE HEEL EEE HEHEHE HE LE EEE EEE EH EEL EEE HEHEHE EH HHHH HHHH Under compensated Optimum Over compensated LF Compensation IM701944 01E 9 HF Compensation HF needs to be adjusted when the probe is connected to the scope input the first time HF adjustment is performed by connecting the probe to a rectangular wave generator with first rise time Adjust the trimmer for optimum wave response BP Optimum DC Adjustment In order to provide highest accuracy this probes dividing ra
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