TA058 50 MHz 700 V Differential Probe User`s
Contents
1. Output Cable The BNC output connector and an auxiliary grounding terminal are connected to the oscilloscope Removable Battery Pack optional 4 x AA cells Power Source Connector Removable battery pack 4 x AA cells Power leads Power Supply Probe Body The input leads of the differential probe Sprung Hooks circuits This can be connected to the following sources Mains adaptor 6 V DC 90 mA or 9 V DC 70 mA The sprung hooks are connected safely to test points in Copyright Pico Technology 2008 DO144 1 ICO A es 6 Power leads Two types of power leads are available for use with this instrument a Lemo Lead For oscilloscopes with Lemo power connectors b Probus Lead For oscilloscopes with Probus power connectors Power Lead ra ain i M Oscilloscope front panel2. 7 Removable Battery Pack The following figure illustrates the operation of the removable battery pack DO144 1 Copyright Pico Technology 2008
3. this either by connecting the BNC shell to a grounded measurement instrument or by connecting the auxiliary grounding terminal to a reliable ground point Read the next paragraph for further advice You must verify that the probe is securely grounded before connecting the probe input leads Some types of measuring instrument such as a USB oscilloscope connected to a laptop are unlikely to be grounded even if the laptop is powered from the mains Bench top oscilloscopes are usually grounded but in some cases may have been isolated from ground A USB oscilloscope connected to a desktop computer is usually grounded In any case do not assume that the measurement instrument is grounded Always verify the ground connection for yourself before connecting the probe input leads Use fused test prods if necessary If this probe is intended to use for measurements in circuits of INSTALLATION CATEGORY III it should incorporate with fused test prods Do not operate without covers To avoid electric shock or fire hazard do not operate this probe with the covers removed Do not operate in wet or 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 conn
4. ICO ICO TAO058 50 MHz 700 V Differential Probe User s Manual This probe complies with IEC 1010 1 IEC 1010 2 031 CAT I or CAT II Pollution Degree 2 1 Safety terms and symbols Issue history Terms appearing in this manual 1 28 8 2008 WARNING Warning statements identify conditions or practices that could result in injury or death that could result in damage to this product or other property CAUTION Caution statements identify conditions or practices Pico Technology James House Colmworth Business Park St Neots Symbols appearing on the product PE19 8YP www picotech com AN _ Danger Protective Attention High Voltage Earth Terminal Refer to Manual Lemo Probus and Pico Technology are registered trademarks Manufactured in Republic of China 8 Copyright Pico Technology 2008 DO144 1 DO144 1 Copyright Pico Technology 2008 1 ICO ee 2 General safety summary Please review the following safety precautions to avoid injury and prevent damage to this probe or any products that are connected to it Observe maximum working voltage To avoid any injury do not use the probe when the voltage between either input lead and earth is above 600 V RMS CAT I Must be grounded This probe is grounded with the shell of the BNC connector and an auxiliary grounding terminal WARNING Before making connections to the input leads of this probe ensure that its output lead is grounded You may do
5. a Simply plug in the BNC output connector to the vertical input of a general purpose oscilloscope or other measurement instrument and connect the auxiliary grounding terminal to a proper ground The measurement instrument must have a ground reference b Connect an appropriate power source mains adaptor battery pack or power lead to this probe and then turn it on accessories designed for use with this differential WARNING To protect against electric shock use only the probe c Using the appropriate probe accessories connect the input to the circuits under measurement measurements between two points on the circuit under test It is not intended for electrically insulating the circuit under test and the measuring instrument CAUTION This probe is designed for carrying out differential DO144 1 Copyright Pico Technology 2008 3 ICO P lt 5 Appearance The differential probe looks like this
6. ections and components when power is present 2 Copyright Pico Technology 2008 DO144 1 ICO DE ae 9 Derating curve The derating curve for absolute maximum input voltage is as follows a V x gt Nr Q D O gt 1 E 07 Frequency Hz 10 Test procedure a Connect the BNC output connector to the vertical input of a general purpose oscilloscope Connect an appropriate power source to this probe and then turn it on Set the oscilloscope input coupling to DC and 1 V div Center the trace on the display d Connect the inputs of the probe to power lines e A 50 Hz 60 Hz sine wave of proper amplitude will be displayed on the screen of the oscilloscope This means the probe is working properly 11 Cleaning OO Use a soft cloth to clean the probe taking care not to cause damage a Do not immerse the probe b Do not use abrasive cleaners c Do not use chemicals contains benzene or similar solvents DO144 1 Copyright Pico Technology 2008 7 ICO ae 8 Specifications Bandwidth Accuracy lt 7 Input impedance Input Voltage Differential Range Common Mode Range either input to ground Swing into 5 k load Offset typical Noise typical Source impedance typical CMRR typical jdi ower requirements Option 1 Option 2 Option 3 Input One jack with 1 A current rating Output Three plugs with 1 A current rating ength of input leads ength o
7. f BNC cable Weight Dimension LxWxH A N J W Za hee alaj ABE Slagle JJag olx O 5 x fat a O Ambient operating temperature Ambient storage temperature Ambient operating humidity Ambient storage humidity 11 mm x 22 mm x 14 mm Voltage limit is the lesser of the DC Peak AC and RMS values a The supplied voltage must be less than 16 V and greater than 3 3 V otherwise the probe could be damaged or might not operate properly b Polarity is inside and outside If the polarity is wrong a built in circuit protects the probe so that no danger or damage will occur c When the voltage of the cells becomes too low the power indicator on the panel will flicker 6 Copyright Pico Technology 2008 DO144 1 ICO DE ae Use proper power source To ensure proper functioning of this probe use four AA cells or a 6 V DC 90 mA mains adaptor or 9 V DC 70 mA mains adaptor or power leads Do not operate the probe if it is damaged If you suspect there is damage to this probe have it inspected by qualified service personnel 3 Description By enabling conventional oscilloscopes to display and measure in circuit waveforms that are referenced to high common mode voltages this differential probe extends the measurement capability of oscilloscopes to electronic power converters inverters motor speed controls switch mode power supplies and many other applications 4 Installation
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