Model 701980 Logic Probe (100 MHz) User`s Manual
Contents
1. 1 Description I The model 701980 100 MHz Logic Probe has a maximum toggle frequency of 100 MHz and accepts User s Model 701980 ipto B bits of input p p Manual Logic Probe 2 Appearance 1 00 M Hz The probe consists of a main body and standard accessories E 701980 A Thank you for purchasing the YOKOGAWA 701980 100 MHz Logic Probe i f5 E ve To optimize all the functions of the instrument please read the manual thoroughly before operating it E f mayan z Z C TF gt i Edi B i B YOKOGAWA J a E i oh H 1st Edition February 2004 YK F All Rights Reserved Copyright 2004 Yokogawa Electric Corporation A Logic Probe YOKOGAWA Q real a Optional Assessories i Name Q Name Part No Yokogawa Electric Corporation a Fe eee B Probe tip 8 B9852VL IC clip B9852ES C Earthlead for main unit 2 B9852VU gt gt gt gt gt Safety Precautions E Cable 1 B9852VN Make sure to comply with the safety precautions mentioned hereafter when handling the probe F Pincher tip black 2 B9852VZ YOKOGAWA ELECTRIC Co assumes no responsibility for any consequences resulting from failure to G Pincher tip red 8 B9852VY comply with these safety precautions H Pincher number stickers 1 Also read the User s Manual of the measuring instrument thoro2. ead B9852VU to connect the ground of the circuit under test To avoid injury remove jewelry such as rings watches and other metallic objects 6 Connect the probe input to the circuit under test Do not touch exposed connections and components when power is present Connecting the Probe Tip Connect the earth leads for main unit in the same manner CAUTION AN e Nondestructive input voltage range Do not apply any voltages exceeding the Nondestructive input voltage range to the probe e Connecting the Probe to the Circuit under Test Always use the accessory probe tip when connecting to the circuit under test e Connecting the Probe to the DL Always turn OFF the DL s power switch when connecting or disconnecting the logic probe e Grounding The logic probe s ground connects internally with the DL s ground e Clean the Instrument Properly Use a soft cloth to clean the dirt Prevent damage to the probe Avoid immersing the probe Avoid using abrasive cleaners Avoid using chemicals Insert a pointed tool such as a pair of tweezers contains benzene or similar solvents into the location shown in the figure below e Handling the Logic Probe Cable then drag the tool in the direction of the arrow To prevent breakages loose connections and other types of damage to the cable to release the probe tip please note the following Do not apply force to the connector Do not bend the cable at a radius of less than 60 mm Do not twist
3. f peas Deratin Fr n measurement Do not remove the probe from the measuring instrument after the e g by Frequency 1 50 TT object of measurement is connected 5 Do not operated with suspected failures 40 If you suspect that there is damage to this probe have it inspect by a service 0 personnel 2 2 30 e Nondestructive input voltage range oa Do not apply any voltages exceeding 40 V DC AC peak between input and 2 20 earth BO e Must be grounded g 10 Before connecting the input terminal of the probe to the object of measurement S a ensure that the measuring instrument is properly grounded and that the probe s z gt o output connector is attached to the input connector of the DL 1 10 100 Do not operate without cover Frequency MHz To avoid electric shock or fire hazard do not operate this probe with the cover removed 4 How to Use the Probe e Do not operate in wet damp conditions 1 Turn OFF the DL s power switch To avoid electric shock do not operate this probe in wet or damp conditions 2 Connect the cable to the logic probe Do not operate in explosive atmosphere 3 Connect the probe tips and earth leads to the logic probe To avoid injury or fire hazard do not operate this probe in an explosive 4 Connect the logic probe cable to the probe connector on the DL then turn ON the DL s power atmosphere switch oa e Avoid exposed circuitry a Use earth l
4. or apply pressure to the cable Probe tip Removing the Probe Tip Remove the earth leads for main unit in the same manner The following symbols are used in this manual Affixed to the instrument Indicates danger to personnel or instrument and the op erator must refer to the User s Manual The symbol is used in the User s Manual to indicate the reference Describes precautions that should be observed to prevent serious injury or death to Note O the user Accurate measurement may not be possible near objects with strong electric fields like cordless equipment or strong magnetic fields like transistors or large current circuits CAUTION Describes precautions that should be observed to prevent minor or moderate injury When using the DL7400 the firmware version of the DL7400 must be 1 30 or later or damage to the instrument Note Provides important information for the proper operation of the instrument IM 701980 01E 1st Edition
5. ughly so that you are fully aware of its specifications and handling before starting to use the probe 3 Specifications The following symbols are used on this instrument Inputs 8 eee Nondestructive input voltage range 40 V DC AC peak or 28 Vrms A To avoid injury death of personnel or damage to the instrument the operator must Threshold level 40 V at 0 1 V resolution refer to an explanation in the User s Manual or Service Manual Threshold level accuracy 100 mV 3 of setting S g Input voltage range 40 V Make sure to comply with the following safety precautions in order to prevent accidents such Input impedance typical value 1 MQ 10 pF as an electric shock which impose serious health risks to the user and damage to the Minimum input voltage 500 mVp p instrument Maximum toggle frequency 100 MHz or more Minimum pulse width 5 ns Hysteresis voltage typical value 80mV WARNING External dimensions 85 7 mm x 64 2 mm x 20 mm excluding cable and accessory AN e Grounding of the measuring instrument 1 Reference operation conditions The protective grounding terminal of the measuring instrument must be connected Ambient temperature 23 2 C Ambient humidity 55 10 30 minutes after the power supply is applied to ground 2 For the relation between frequency and input voltage derating see the graph below e Connecting the object of measurement Make sure to avoid an electric shock when connecting the probe to the object o
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