Bandwidth: DC to 100 MHz (-3 dB) - Electro
Contents
1. 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 components when power is present A CAUTION Maximum input voltage Do not apply any voltages exceeding the maximum input voltage to the probe Correct use of the power supply Power the probe with either 4 AA dry cells a 6 VDC 200 mA or 9 VDC 150 mA external power supply or by connecting the probe s power cable to a probe power supply terminal on a DL series measuring instrument or to the 700938 or 701934 Operating the probe under a power supply greater than the voltage specified above may cause damage to the instrument Connecting the external power supply to the probe Always turn OFF the probe s power switch when connecting or disconnecting the external power supply Also do not install the dry cells when using an external power supply Operating environment limitations See below for operating environment limitations CAUTION This product is a Class A for industrial environments product Operation of this product in a residential area may cause radio interference in which case the user will be required to correct the interference Waste Electrical and Electronic Equipment Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC Da This directive is only valid in the EU This product complies with the WEEE Directive 2002 96 EC m2. 8 9 32 Nakacho 2 chome Musashino shi Tokyo 180 8750 JAPAN YOKOGAWA CORPORATION OF AMERICA Phone 1 770 253 7000 YOKOGAWA EUROPE B V Phone 31 33 4641858 2 Dart Road Newnan Ga 30265 1094 U S A Databankweg 20 3821 AL Amersfoort THE NETHERLANDS YOKOGAWA ENGINEERING ASIA PTE LTD Phone 65 62419933 5 Bedok South Road Singapore 469270 SINGAPORE 1 Description By using this device oscilloscopes with single ended input can be easily used as oscilloscopes with differential inputs 2 Appearance 90 cm as 3 ADJUST DC offset adjustment 25 ci 2 Optional Accessories Sold Separately Pinchers tip black B9852MM Pinchers tip red B9852MN Power cable B9852MJ Standard Accessories 1 Probe 2 Pinchers tips 3 Ground extention lead length 100 cm 4 Power cable length 150 cm Power can be supplied from the DL 700938 or 701934 3 Installing Replacing the Batteries Shift the lid at the back side of the probe and install replace the four dry cells The dry cells are not installed on receipt of the instrument 4 Operation 7 Install four AA cells When using an external power supply do not install the dry cells Supply power only through the external power supply 2 Simply plug in the BNC output connector to the vertical input of a oscilloscope and connect the auxiliary grounding terminal to a proper ground If necessary use a ground extention lead 3 Select the pro
3. La User s Model 701921 Manual Differential Probe for the DL Series ee ee ee ee ae Thank you for purchasing the Differential Probe Model 701921 for the DL Series To ensure correct use please read this manual thoroughly before beginning operation After reading the manual keep it in a convenient location for quick reference whenever a question arises during operation 3rd Edition October 2007 YK All Rights Reserved Copyright 2007 Yokogawa Electric Corporation YOKOGAWA IM 701921 01E 3rd Edition Safety Precautions Make sure to comply with the safety precautions mentioned hereafter when handling the probe Yokogawa Electric Corporation assumes no responsibility for any consequences resulting from failure to comply with these safety precautions Also read the User s Manual of the measuring instrument thoroughly so that you are fully aware of its specifications and handling before starting to use the probe The following symbols are used on this instrument Warning handle with care Refer to the user s manual or service manual This symbol appears on dangerous locations on the instrument which require special instructions for proper handling or use The same symbol appears in the corresponding place in the manual to identify those instructions AX Risk of electric shock Make sure to comply with the following safety precautions in order to prevent accidents such as an electric shock which impose serious health risks to t
4. Prevent damage to the probe Avoid immersing the probe using abrasive cleaners and using chemicals contains benzene or similar solvents EEE EEE eee Note e Connect the BNC connector to the input terminal of the oscilloscope and for two point measurement differential measurement connect both input leads Because the performance declines in case you carry out measurements with only one input lead connected make sure to always connect both e Accurate measurement may not be possible near objects with strong electric fields such as cordless equipment transformers or circuits with large currents 5 Specifications Item Specifications Frequency bandwidth DC to 100 MHz 3 dB Input type Balancing difference input Attenuation ratio switched ratios of 10 1 and 100 1 Output offset voltage 2 7 5 mV Input resistance and capacity 4 MQ 13 pF each side to ground Differential allowable voltage At 10 1 attenuation 70 V DC ACpeak between terminal At 100 1 attenuation 700 V DC ACpeak Max common mode voltage 700 V DC ACpeak Max input voltage to ground 1000 V DC ACpeak CMRR typical 60 Hz less than 80 dB 20 kHz less than 60 dB Output voltage 7 V DC or ACpeak Output impedance Using 1 MQ input system oscilloscope Gain accuracy Attenuation 10 1 100 1 Common mode lt 50 V and 2 50 V 2 2 voltage gt 50 V or lt 50 V 3 7P Operati
5. arking requirement This marking indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product 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 The Following Symbols are Used in this Manual Improper handling or use can lead to injury to the user or damage to the instrument A 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 Calls attention to actions or conditions that could cause serious or fatal injury to the user and precautions that can be taken to prevent such occurrences CAUTION Calls attentions to actions or conditions that could cause light injury to the user or damage to the instrument or the user s data and precautions that can be taken to prevent such occurrences Note Calls attention to information that is important for proper operation of the instrument YOKOGAWA ELECTRIC CORPORATION Communication amp Measurement Business Headquarters Phone 81 422 52 676
6. he user and damage to the instrument A Grounding of the measuring instrument The protective grounding terminal of the measuring instrument must be connected to ground Earth cable of the probe Make sure to connect the earth cable of the probe to the ground grounding potential Do not operated with suspected failures If you suspect that there is damage to this probe have it inspect by a service personnel Observe maximum working voltage To avoid any injury do not use the probe above 1000 Vpeak between each input lead and earth or between the two inputs This voltage rating applies to both 1 10 and 1 100 settings Must be grounded This probe must be grounded with the BNC shell and an auxiliary grounding terminal through the grounding conductor of the power cord of the measuring instrument or other appropriate grounding conductor Before making connections to the input terminals of the product ensure that the output connector is attached to the BNC connector of the measuring instrument and the auxiliary grounding terminal is connected to a proper ground while the measuring instrument is properly grounded Do not operate without cover To avoid electric shock or fire hazard do not operate this probe with the cover removed 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 aviod injury or fire hazard do not operate this probe
7. ng environment Storage environment Operating altitude Power requirements 5 to 40 C 25 to 85 no condensation 30 to 60 C 25 to 85 no condensation 2 000 m or less Internal battery four dry cells AA R6 External power supply 6 VDC 200 mA or more or 9 VDC 150 mA or more From the DL series instrument s probe power supply 700938 or 701934 using the probe s power supply cable Cell life time In continuous duty approx 7 hours when using the alkali dry cells Dimensions 207 mm x 83 mm x 38 mm excluding connector and cable Weight Approx 530 g excluding the dry cells Withstanding voltage 2000 VACrms between input terminal and BNC ground for 5 minutes Safety standards Complying standards EN61010 031 Measurement category III 700 V DC ACpeak Pollution degree 2 5 Emission Complying standards EN61326 EN55011 EN61000 3 2 EN61000 3 3 This product is a Class A for industrial environment product Operation of this product in a residential area may cause radio interference in which case the user is required to correct the interference Immunity Complying standards EN61326 1 When the power supply voltage from the dry cells is 5 V or more or when using an external power supply 2 Ambient temperature 23 5 C 3 When the capacity of dry cells goes down LED blinks In such a case replace the dry cells Also do not install the dry cells when using an external power
8. per range setting For higher resolution and less noise when measuring signals below 70V switch the attenuation to 1 10 Otherwise set the attenuation to 1 100 when measuring signals above 70V 4 f the offset voltage is large short the top of input leads and turn the ADJUST variable resistor DC voltage adjustment using a flat head screwdriver to adjust the offset voltage 5 Using the appropriate probe accessories connect the input to the circuits under measurement A e To protect against electric shock the ground side of the output cable the shielded side of the BNC connector must be grounded e 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 When disconnecting the probe BNC output connector first turn OFF the power to the circuit under measurement Then disconnect the probe from the high voltage parts of the circuit under measurement e When replacing batteries or connecting an external power supply first turn OFF the power to the circuit under measurement Then remove the input lead from the circuit under measurement A CAUTION e This probe is to carry out differential measurement between two points on the circuit under measurement This probe is not for electrically insulating the circuit under measurement and the measuring instrument e Use a soft cloth to clean the dirt
9. supply 4 This equipment is for measurement category III CAT III Do not use it with measurement category IV CAT IV CAT III applies to measurement of the distribution level that is building wiring fixed installations CAT IV applies to measurement of the primary supply level that is overhead lines cable systems and so on 5 Pollution degree applies to the degree of adhesion of a solid liquid or gas which deteriorates withstand voltage or surface resistivity Pollution degree 2 applies to normal indoor atmospheres with only non conductive pollution Input voltage derating 1000 o D 2 100 Qa 3 T0 18 V 0 1M 1M 10M 100M Frequency Hz IM 701921 01E
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