User`s Manual 701941/701942 Miniature Passive Probe
Contents
1. 15 0 59 6 5 0 26 Standard ground lead L 11 cm 1 18 5 6 0 22 39 1 54 2 0 08 Ground spring 18 0 71 Ground lead with mini clip L 11 cm e Ground lead with 0 8 mm socket L 11 cm A ZA 3 BNC adapter Rigid tip p 0 80 mm aoa Adjustment tool 55 6 2 19 ee IC cap Insulating cap 16 5 0 65 13 5 0 53 Spring tip Spring tip o 0 80 mm p 0 38 mm _ gt Z Ground lead with 2 mm plug 61 5 2 42 B Ground lead with 4 mm plug Adapter 2 mm plug L 22 cm gt Adapter 4 mm plug L 22 cm Fi I c _ 1 HF compensated ground lead L 22 cm d gt Micro clip short 31 1 22 p s Micro clip long 43 1 69 0 6 0 02 _ 0 8 0 03 0 6 0 02 0 8 0 03 Single adapter lead 60 2 36 kK 7 0 28 Dual adapter lead 60 2 36 H Connector lead L 5 cm 6 6 0 26 50 1 97 2 4 0 09 Connector lead L 10 cm r 100 3 94 ol 2 Q bs ai e 7 m B PCB adapter 22 5 0 89 l 57 3 2 26 w Pincher tip N E 78 3 07 Colors Brown red orange yellow green blue purple gray white YOKOGAWA ELECTRIC2. For details about appropriate input voltage see Section 3 Specifications Typical Voltage Derating 701941 Measurement Category 9 250 a Q o 0O Amplitude ACrms V a oO oO 0 1 1 10 100 1000 Frequency MHz Input Impedance A CAUTION As the frequency of the input signal increases the input impedance of the probe decreases Typical Input Impedance 701941 Ee 10 000 100 IZI kQ Bs 0 01 r 0 00001 0 0001 0 001 0 01 0 1 1 10 100 1000 Frequency MHz IM 701941 01E 3rd 7 8 10 Handling A CAUTION 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 A 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 Ad
3. 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 Phone 1 301 916 0409 Fax 1 301 916 1498 YOKOGAWA ENGINEERING ASIA PTE LTD Phone 65 62419933 Fax 65 62412606 YOKOGAWA EUROPE B V Phone 31 33 4641 858 Fax 31 33 4641859 IM 701941 01E 3rd
4. User s 701941 701942 Manual Miniature Passive Probe Thank you for your purchasing of this 701941 701942 miniature passive probe To fully utilize all functions of this probe thoroughly read this User s Manual before starting operation to use the probe in correct and safe manner Before using this probe it is absolutely necessary to fully understand the performance and functionality of the probe 3rd Edition November 2006 YK All Rights Reserved Copyright 2004 Yokogawa Electric Corporation YOKOGAWA IM 701941 01E 3rd Edition Introduction This 701941 701942 miniature passive probe is designed for user s safety and excellent easy to use operability The probe tip utilizes a spring mechanism to minimize the stress applied to a device to be inspected Additionally this spring mechanism is also effective to prevent the probe tip 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 For details about how to change the probe tip see Section 8 Maintenance A wide variety of optional accessories is available upon request 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 701941 701942 miniature passive probe main unit Accessories User s Manual th
5. et Probe Pincher tip Standard ground lead L 11 cm Adjustment tool Rigid tip 0 80 mm Spring tip 0 80 mm Spring tip 0 38 mm Color coding rings Insulating cap IC cap PCB adapter Ground spring Single adapter lead Dual adapter lead Pico hook Micro clip long Micro clip short Adapter 2 mm plug Adapter 4 mm plug Ground lead with mini clip L 11 cm 1 Ground lead with 0 8 mm socket L 11 cm 1 Ground lead with 2 mm plug L 22 cm Ground lead with 4 mm plug L 22 cm HF compensated ground lead L 22 cm 1 BNC adapter 1 1 Connector lead L 5 cm 2 Connector lead L 10 cm 2 User s manual this manual 1 The rating of the BNC adapter is 100 Vrms CAT Il and the pollution degree is 1 The safety of the accessories supplied with the probe has been tested ai ak ak ai a ak ak a ai fan N MM MM MY ry Pp N po po n i po to n n IN N N V V PO PO DO ONO TPP List of Accessories A CAUTION Use ground lead only for grounding connections Do not use any accessories other than those originally provided Probe 76 1 3 00 Unit mm 17 8 0 70 100 3 94 Moa approx inch 3 5 0 14 BEE
6. is manual 1 Accessory pack 11 items See also the list of accessories in Section 10 Replaceable Parts Insulation cap IC cap BNC adapter Rigid tip Spring tip p 0 80 mm Spring tip p 0 38 mm Ground spring Adjustment tool Pincher tip Standard ground lead Color coding rings Conventions Used in This Manual Improper handling or use can lead to injury to the user or damage to the AN 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 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 EA Describes precautions that should be observed to prevent serious injury or death to the user Describes precautions that should be observed to prevent minor or moderate injury or damage to the instrument CAUTION Note Provides important information for the proper operation of the instrument 2 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 protection capability of this product to lessen Additi
7. justment Procedures LF Compensation Connect the probe to the CAL output on the oscilloscope and adjust the kHz trimmer see also the Figs below so that the observation waveform becomes the optimum square waveform e ain AOK Oy Xe Mains ak gt Under Compensated Overcompensated Hsing ao OS Correct Waveform HF Compensation Before shipment from the factory this probe has been correctly adjusted to Yokogawa s digital oscilloscope DL1740 with the signal generator having 300 ps rise time so that the optimum square waveform is obtained If the HF adjustment needs to be performed two trimmers T1 and T2 see also the following Figs are used The T1 trimmer is used to adjust the rise time while the T2 trimmer is used to adjust the response time of the probe Tain Se OY Optimally Compensated Waveform sample characteristics T1 trimmer kHz trimmer 180 T2 trimmer Replaceable Parts Replaceable parts are prepared as sets shown in the Table below When ordering any replaceable part set inform a desired set name and its part number Part No B9852HA Accessories Basic Part No B9852HF Accessories Set SMD Part No B9852HG Accessories Delux Accessories Micro clip Part No B9852HJ Part No B9852HH Accessories 1 Part No B9852HP Accessories 2 Part No B9852HQ Accessories 3 Part No B9852HR Accessories 4 Part No B9852HS Basic S
8. nts when power is present ee 6 Specifications The specifications described in this section apply to the miniature passive probe connected to Yokogawa s oscilloscope model DL1740 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 701941 Attenuation Ratio 10 1 2 Voltage Coefficient 0 0025 V typical value System Bandwidth 500 MHz 3 dB Probe Rise Time lt 700 ps 10 to 90 lt Ins 10 to 90 Maximum Input Voltage 400 Vims 400 Vims 1 This specification value is obtained when the probe is connected to an oscilloscope having an input resistance of 1 MQ 1 and the input voltage is 100 V or less 2 See the compatible standards shown below See also Section 5 Voltage Derating 701942 10 1 2 0 0025 V typical value 350 MHz 3 dB Electrical Characteristics Input Resistance system Input Capacitance system Input Impedance system Compensation Range 10 MQ 2 701941 10 pF typical value 701942 18 pF typical value See also Section 6 Input Impedance 10 pF to 25 pF typical value Mechanical Characteristics Weight probe only Cable Length Approximately 43 g 701941 Approximately 1 2 m 701942 Approxima
9. onally 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 WARNING Grounding of the measuring instrument The protective grounding terminal of the measuring instrument must be connected to ground 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 Do not operate with suspected failures If you suspect that there is damage to this probe have it inspect by a service personnel Maximum input voltage Do not apply any voltages exceeding the maximum input voltage to the probe Do not operate in wet damp conditions To avoid electric shock do not operate this probe in wet or damp conditions Do not operate in explosive atmosphere To avoid injury or fire hazard do not operate this probe in an explosive atmosphere Avoid exposed circuitry To avoid injury remove jewelry such as rings watches and other metallic objects Do not touch exposed connections and compone
10. tely 3 m Environmental Specifications Altitude Operating Up to 2000 m Storage Up to 15000 m Temperature Range Operating 0 C to 50 C Storage 40 C to 71 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 400 Vims 1250 V transient over voltage Measurement Category II 300 Vims 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 Definition Measurement category II is for measurements performed on CAT Il circuits directly connected to the low voltage installation Examples Measurement on household appliances portable tools and similar devices Measurement category Definition Measurement category is for measurements performed on circuits not directly connected to a main supply Examples Measurements in circuits not derived from a main supply and specially protected internal circuits derived from a main supply Voltage Derating A CAUTION As the frequency of the input signal increases the maximum rating of the input voltage of the probe decreases
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