3M CTM048 User Manual Download Page 28

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Calibration

The 3M

™

EM Eye Meter CTM048 comes from the factory calibrated. It is

recommended that you calibrate the EM Eye Meter CTM048 once a year at the
factory.

Specifications

GENERAL

Audio Indicators

Speaker: Beep or analog audio with selectable volume

External Data Storage

microSD

™

Card

Recording Interval

Peaks: 1 – 360 seconds

Average signals: 0.1 – 360 seconds

Display

Touch LCD

Size

65 W x 32 D x 105 L mm

Headphone Jack

3.5 mm (1/8 in.)

Power Supply/Charger

Input: 100-240V ~ 50-60 Hz 0.2A

Output: 5.0V 1000mA

Center: Positive, ID 1.3 mm; OD 3.5 mm

ESD EVENT SENSOR

ESD Event Detection

Characterization Modes

Raw input for magnitude and estimated CDM, HBM, MM

using proprietary algorithm

Raw Input Resolution

1mV (1mV-15mV) ; 15 mV (15mV-1500mV)

(Detection Resolution: 1mV)

Threshold (Display) Resolution

1-10 Volts, 10-990 Volts

Raw input: 1mV (1-15mV) and 15mV (15-1500mV)

Distance Detection Range

1.3 cm (0.5 in.) – 38.1 cm (15.0 in.)

ESD Counter Range

0 – 32,767 counts (screen count)

Hardware Setup

Adjustable Brightness, Auto-off-time

Summary of Contents for CTM048

Page 1: ...User s Guide 3M EM Eye Meter CTM048 Handheld ESD Event Detector ...

Page 2: ...ly 9 Reset Button 10 ESD Event Detection Sensor 11 EM Field Power Density EIRP Sensor 12 RF Signal Detection Sensor 12 ESD Events Sensor Display and Controls 13 RF Signal Sensor Display and Controls 15 Common Display and Controls 16 ESD Events Display and Controls 18 Electromagnetic Field Sensor and EIRP Display and Controls 21 RF Signal Sensor Display and Controls 25 Access Data using a PC 27 Cal...

Page 3: ...me caution to avoid coming into contact with any exposed electrical conductors of the equipment being measured with the 3M EM Eye Meter CTM048 To reduce the risks associated with hazardous voltage or possible fire or explosion related to internal Li ion battery which if not avoided could result in death or serious injury Use only the battery charger provided with the product If the battery charger...

Page 4: ...e amplitude of an RF signal User Features Modular Construction The EM Eye Meter CTM048 with the modular construction concept can expand to different applications With the current design it measures the magnitude of most ESD events when in one of its filter modes electromagnetic fields EMF power density effective isotropically radiated power and radio frequency RF Touch Screen to Power ON The EM Ey...

Page 5: ...able and 20 dB attenuator Power supply adapter Optional accessories may be ordered separately Remote antenna CTC113 Precautions Do not drop the meter This may damage the device and will void the warranty Do not discharge directly into the antenna metals as it may damage the input sensors and will void the warranty Be cautious in the placement of antenna and the module heads align the parts while a...

Page 6: ...the input connector by simply screwing it in by hand DO NOT OVERTIGHTEN THE CONNECTION Screw in the antenna firmly but gently Do not use any tools other than your hand to attach and detach the antenna Power Supply and Charger Use only the power supply that comes with the EM Eye Meter CTM048 Do not use any other power supply as it may damage the meter Battery Care Charging for the first time To imp...

Page 7: ...ad Antenna CTS001 Antenna CTS001 External cable sources ESD Event Module Electromagnetic Field Module RF Signal Module Base 3M EM Eye Meter CTM048 Module Base EM Eye Meter Module Base EM Eye Meter Module Memory Card microSD card microSD card microSD card Memory Card Memory Card Power Supply Charger Not included Australian power plug Power Supply Charger Not included Australian power plug Power Sup...

Page 8: ...EM Eye Meter CTM048 Local directional antenna SMA connector M F Connector M F Reset pinhole Sensor module Speaker Storage microSD card Alignment pin Headphone jack Alignment hole Power adapter jack Main body Touch screen and display ...

Page 9: ...gn with the holes 2 With the initial head midway through reposition it so that it is parallel to the body 3 Press the sensor head firmly against the body until both surfaces are flat with each other 4 Insert and screw in the antenna making sure that it s not too tight or too loose Do not use any tools other than your hand Note Antenna is not applicable for the RF Signal Sensor ...

Page 10: ...ard was removed Data may be lost and card could be damaged Click here to close the window A new card is inserted or when a card is empty ERROR Card was removed Data may be lost and card could be damaged Click here to close the window Inserting a card that has contents other than the 3M EM Eye Meter CTM048 files ERROR Invalid memory card Format or replace it Click here to close the window The card ...

Page 11: ...tal tracks a CDM event can occur A moving un grounded cart may accumulate charges in its path As it ap proaches a metallic worktable and bumps into it a discharge may occur and may adversely affect nearby products or instruments In IC testing opera tors that are handling an IC i e fixing bent leads may be discharging through the IC For engineers who want to simply ana lyze raw ESD signals for furt...

Page 12: ...at causes equipment lock up sensitive component damage and other problems For those who install and maintain antennae of radio transmitters and mobile phones the EM Eye Meter CTM048 can provide readings of the field strength including peak and average values Further proprietary algorithm allows the EM Eye Meter CTM048 to measure EIRP of some emission sources For those who are concerned with EMI an...

Page 13: ... Freeze maximum values press twice for the Max symbol to appear DATA STORAGE Press to read the data from the memory card TRUE ESD TRUE ESD mode toggle to enable ESD FILTER mode ALL SIGNAL ALL SIGNAL mode toggle to enable ALL SIGNAL mode BATTERY Battery level display TIME Displays time press to setup ESD MODE Press to set calculations for CDM MM or HBM models Also sets the distance to the ESD targe...

Page 14: ...s to read the data from the memory card RECORD DATA Press record area to start data writing onto the microSD storage card UNIT Press UNIT button to change units between dBµV m or V m BATTERY Battery level display TIME Displays time press to setup MODE OPTION The triangle at the upper right side of display switches modes sequentially as follows EM Field Power Density EIRP EM Field When pressed at t...

Page 15: ...n to 1 Freeze the display the Hold symbol appears 2 Freeze maximum values press twice for the Max symbol to appear DATA STORAGE Press to read the data from the memory card RECORD DATA Press Record button to start data writing onto the microSD storage card UNIT Press UNIT button to change units between dBµV m dBm and mV BATTERY Battery level display TIME Displays time press to setup THRESHOLD BAR D...

Page 16: ...ument will not be active at this point MAX displays the maximum voltages detected by the EM Eye Meter above the set threshold Pressing the HOLD button for the third time will disable the HOLD and MAX function and returns to normal run mode HOLD and MAX does not affect recording into memory storage Data is still being recorded even if HOLD and MAX is active To set the time press the time display Th...

Page 17: ...INDICATOR button scrolls through the following audio modes 1 Tone bell 2 Speaker at low volume 3 Speaker at middle volume 4 Speaker at loud volume 5 Mute The BELL audio mode sends an audible beep for every ESD event count detected The SPEAKER on the other hand produces the crackling or humming amplitudede modulated sounds of ESD event or EMF This may provide a better feel of what discharges or EMF...

Page 18: ...ss the center button to return to the main screen Serial Number The serial number is a five digit number indicated at the top left section of the screen Brightness 10 to 100 with 10 increments Auto Off Time Disabled or adjustable between 1 to 9 minutes Antenna 1 Local antenna 2 Remote antenna The VOLTAGE display is not a touch feature This displays the estimated voltage detected at the antenna whi...

Page 19: ...ar displays the detection level of the ESD events detected When pressed the threshold level may be adjusted With the NAVIGATOR bar Press the left or right arrows to set the ESD event threshold voltage Press the center button to return to the main screen Threshold Levels 0 10 Volts at 1V increments 10 990 Volts at 10V increments 1 999mV for RAW input After pressing the lightning bolt symbol or the ...

Page 20: ...on is as follows ESD mode Threshold Distance CDM on off Date Voltage sensed Time Data bar indicator Data from the microSD card can be exported using the utility software described in the following section Memory storage card The EM Eye Meter CTM048 works with microSD Cards Some cards may not be compatible Non compatibility is indicated by an X mark overlaid on the card button display For other mem...

Page 21: ...u press the triangle MODE OPTION button located at the upper right side of the display The MODES OPTION screen is used to enable or disable any of the functions modes 1 EM field 2 Power Density and 3 EIRP You can always enable previously disabled modes Use the navigation bar as follows UP DOWN scrolls the cursor field through the three modes LEFT RIGHT enables or disables the selected mode V enabl...

Page 22: ...be configured from 0 25 to 20 meters When the bar graph area is pressed the THRESHOLD mode is entered and the reference level for EMF measurement can be set With the NAVIGATOR bar Press the left or right arrows to adjust EMF references Press the up or down arrows to move the field cursor Press the center button to return to the main screen Reference options 1 Memory Reference 2 Current Reference T...

Page 23: ...re the actual peak is 0 115 V m Adjust the reference settings by pressing the THRESHOLD and NAVIGATOR button When data is being recorded the actual peak value above the reference setting will still be recorded Memory and Current Reference These references are used for convenience The memory reference is the value which is stored in the memory all of the time and saved when the device is powered of...

Page 24: ...s on pages 22 23 If any of the references are enabled a data line is added within the preset interval whenever a peak signal was detected above the reference setting If the Reference is not enabled data lines are added at intervals showing the current peak and average signals The DATA STORAGE button displays the data stored on the microSD card found at the bottom of the meter Press this button to ...

Page 25: ... and attenuation can be adjusted Attenuation ATT If the input to the antenna is big enough set the attenuation from 0 to 20dB When the attenuation is set to 20dB an additional label of 20dB is placed along with the RF Signal top heading When the bar graph area is pressed you can set the reference level for RF measurement With the NAVIGATOR bar Press the left or right arrows to adjust RF references...

Page 26: ...D button R writes the displayed readings and settings onto the microSD storage card press the R button to activate RECORD At this point the button turns red and data is being written onto the storage card To stop recording press the red button again The recording works in conjunction with the settings made on page 25 Intervals and or pags 25 26 Reference of this User s Guide A data line is recorde...

Page 27: ...tware that will allow you to access the data from the 3M EM Eye Meter CTM048 from your PC 2 Download the EXE or the ZIP files for the EM Eye Meter CTM048 3 Install the program em eye ﬁle converter exe 4 Insert your microSD card assembly into the SD card reader In the EM Eye File Converter software click on the file folder icon From there navigate to your SD card location Run and open the file from...

Page 28: ...05 L mm Headphone Jack 3 5 mm 1 8 in Power Supply Charger Input 100 240V 50 60 Hz 0 2A Output 5 0V 1000mA Center Positive ID 1 3 mm OD 3 5 mm ESD EVENT SENSOR ESD Event Detection Characterization Modes Raw input for magnitude and estimated CDM HBM MM using proprietary algorithm Raw Input Resolution 1mV 1mV 15mV 15 mV 15mV 1500mV Detection Resolution 1mV Threshold Display Resolution 1 10 Volts 10 9...

Page 29: ...verage range 0 1 360 seconds RF SIGNAL SENSOR Unit modes dBuV dBm mV Dynamic range Min 55 dBm Max 0 dBm ATT Attenuation 00 dB 20 dB Model and Part Numbers CTM048 2128 3M EM Eye Meter with ESD and EMI sensors 80 0012 2091 4 CTM048 21 3M EM Eye Meter with ESD sensor 80 0012 2092 2 CTM048 28 3M EM Eye Meter with EMI sensor 80 0012 2093 0 CTM048 29 3M EM Eye Meter with RF sensor 80 0012 2094 8 When se...

Page 30: ... interference at their own expense This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ICES Statement This Class A digital apparatus complies with Canadian ICES 003 Cet appareil numériq...

Page 31: ...tions or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon in writing by an authorized officer of 3M Warranty Limited Remedy Limited Liability This product will be free from defects in material and manufacture for one year from the time of purchase 3M MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MER...

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