Tenmars TM-195 User Manual Download Page 26 | Manualshive

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9

Measurement Procedures and

Preparation

Battery loading: Remove the battery cover on the back and put

a 9V battery inside.

Battery replacement: When the symbol of “

” appears on the

LCD display, the battery should be replaced with a new one.

The battery symbol will be displayed on the LCD, this is

a

battery low indicator.

9.1 POWER button

：

Press

button to power on. Again

Press

button to power off.

9.2 Data hold button:

Press the “

” button to go into hold mode, and “HOLD”

appears on the screen to allow you to read the data.

Press “

”this button once again to deactivate it.

EN-20

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Summary of Contents for TM-195

Page 1: ...User s Manual TM 195 RF three Axle Field Strength Meter ...

Page 2: ...HB2TM1950000 ...

Page 3: ......

Page 4: ...ld strength H 2 3 3 Power density S 3 3 4 The characteristic of electromagnetic fields 3 4 Application 5 5 Features 7 6 Identifying Parts 9 7 LCD description 11 8 Specifications 12 8 1 General specifications 12 8 2 Electrical specifications 15 8 3 Units of measurement 18 8 4 Result modes 18 9 Measurement Procedures and Preparation 20 ...

Page 5: ... 9 7 XYZ CALL 23 9 8 Alarm ON OFF Setup 23 9 9 Viewing Data Records 24 9 10 Clock LCD Display 25 10 Setup Mode 27 10 1 Clock Setup 1 27 10 2 Setting the alarm limit value ALARM 2 28 10 3 DEL data logger memorysetup 3 30 10 4 Analogue bar graphsetup 4 30 10 5 Auto Power Off Time function setup 5 31 10 6 Setting the calibration factor CAL 6 32 11 Making measurements 34 ...

Page 6: ...12 Short term measurements 34 13 Long term exposure measurements 36 14 SAFETY INFORMATION 36 15 SAFETY INFORMATION 38 16 Battery replacement 40 17 Safety Precaution 40 18 End of life 41 ...

Page 7: ... 50Mz 3 5 GHZ 2 Simple a method of operation Press button to power on To change measuring unit mV m push button to change the unit Electric field strength V m Computed magnetic field strength mA m Computed power density mW m2 Computed power density μW cm2 Press this key to change sensor axis selector All axis X axis Y axis Z axis 3 Fundamentals Electromagnetic pollution EN 1 ...

Page 8: ...they affect us even if our sense organs perceive nothing 3 1 Electric field strength E A field vector quantity that represents the force F on an infinitesimal unit positive test charge q at a point divided by that charge Electric field strength is expressed in units of volts per meter mV m This meter measures electric field strength directly 3 2 Magnetic field strength H A field vector that is equ...

Page 9: ...ngth 3 3 Power density S Power per unit area normal to the direction of propagation usually expressed in units of watts per square meter W m2 or for convenience units such as mill watts per square centimeter mW cm2 3 4 The characteristic of electromagnetic fields Electromagnetic fields propagate as waves and travel at the speed of light C The wavelength is proportional to the frequency EN 3 ...

Page 10: ...elengths then we are usually in the near field If the distance is more than three wavelengths the far field conditions usually hold In near field conditions the magnetic field value cannot be calculated from the electric field value This meter is designed for reliable far field measurements only EN 4 ...

Page 11: ...es may be exposed to electromagnetic radiation In such cases it is essential that personnel be not exposed to dangerous levels of electromagnetic radiation such as High frequency RF electromagnetic wave field strength measurement Mobile phone base station antenna radiation power density measurement Wireless communication applications CW TDMA GSM DECT RF power measurement for transmitters EN 5 ...

Page 12: ... Wireless LAN Wi Fi detection installation Spy camera wireless bug finder Cellular Cordless phone radiation safety level Microwave oven leakage detection Personal living environment EMF safety EN 6 ...

Page 13: ...gh sensitivity also allow measurements of electric field strength in TEM cells and absorber rooms The unit of measurement and the measurement types have been selected to expressed in units of electrical and magnetic field strength and power density At high frequencies the power density is of particular significance It provides a measure of the power absorbed by EN 7 ...

Page 14: ...eous and maximum value measurements are useful for orientation e g when first entering an exposed area For isotropic measurements of electromagnetic fields Non directional isotropic measurement with three channel measurement sensor High dynamic range due to three channel digital results processing Configurable alarm threshold and memory function Easy safe to use Low battery detector Over load indi...

Page 15: ...6 Identifying Parts EN 9 ...

Page 16: ...1 RF three Axle Sensor 2 Liquid crystal LCD 3 MAX AVG Button 4 Record Time Button 5 Power Button 6 UNIT ENTER switch Button 7 Hold Up Button EN 10 ...

Page 17: ...8 Backlight Down Button 9 XYZ MEM button 10 Tripod mounting screw 11 Battery cover 7 LCD description EN 11 ...

Page 18: ...E 11 µA m mA m unit H 12 µW m µW cm2 unit 13 E symbol 14 Auto power off symbol 15 Time unit month day hour minute second 16 MEM reading symbol 17 SET symbol 18 REC symbol 19 CAL symbol 20 Secondary Display 21 BUZZER symbol 22 Decimal point 8 Specifications 8 1 General specifications Display type Liquid crystal LCD 4 1 2 digits maximum reading 19999 EN 12 ...

Page 19: ...1 5 times per second Audible alarm Buzzer Units mV m V m µA m mA m µW m2 mW m2 µW cm2 Display value Instantaneous measured value maximum value average value or maximum average value Alarm function adjustable threshold with ON OFF Calibration factor CAL adjustable Manual data memory and read storage 200 data sets Batteries 9V NEDA 1604 IEC 6F22 or JIS 006P Battery life Approximate 15 hours Auto pow...

Page 20: ...C to 60 C Storage humidity range 0 to 80 RH Dimensions 60 L 60 W 195 H mm Weight including battery Approx 200g Accessories User s manual 9V battery Carrying case EMC This tester was designed in accordance with EMC Standards in force and its compatibility has been tested in accordance with EN61326 1 2006 EN 14 ...

Page 21: ...er the following conditions The meter is located in the far field of a source the sensor head is pointed towards the source Ambient temperature 23 C 3 C Relative air humidity 25 75 Sensor type electrical field E Frequency range 50MHz 3 5GHz Specified measurement range CW signal f 50MHz EN 15 ...

Page 22: ...ynamic range Typically 75dB Absolute error at 1V m and 2 45GHz 1 0 dB Frequency response Sensor taking into account the typical CAL factor 2 4dB 50 MHz to 1 9 GHz 1 0 dB 1 9 GHz to 3 5GHz Isotropy deviation Typically 1 0 dB f 2 45GHz Overload limit 0 42 EN 16 ...

Page 23: ...mW cm2 11 V m per axis Overload limit 0 to50 C 0 2dB EN 17 ...

Page 24: ... mW m2 or µW cm2 using the standard far field formulate for electromagnetic radiation The conversion is invalid for near field measurements as there is no generally valid relationship between electrical and magnetic field strength in this situation Always use the default units of the sensor when making near field measurements 8 4 Result modes The bar graph display always shows the instantaneous me...

Page 25: ...he digital display shows the highest instantaneous value measured the MAX symbol is displayed Average AVG The digital display shows the average value measured the AVG symbol is displayed Instantaneous mode is the default setting when the meter is turned on The following graph shows of Instantaneous actual MAX hold AVG and MAX AVG EN 19 ...

Page 26: ... display the battery should be replaced with a new one The battery symbol will be displayed on the LCD this is a battery low indicator 9 1 POWER button Press button to power on Again Press button to power off 9 2 Data hold button Press the button to go into hold mode and HOLD appears on the screen to allow you to read the data Press this button once again to deactivate it EN 20 ...

Page 27: ...key as follows Electric field strength V m Computed magnetic field strength mA m Computed power density mW m2 Computed power density μW cm2 Press button and push button to change the unit Possible units mV m V m µA m mA m µW m2 mW m2 µW cm2 EN 21 ...

Page 28: ... function The maximum storage is up to 99 minutes and 99 seconds After this period of time updating will be completed automatically and then the LCD displays 9 5 Manual data memory storing Push button the meter will save the current measured result and REC with a number 001 200 will appear Manual data Manual data memory storing 200 data sets Over load indication OL EN 22 ...

Page 29: ...to power off Backlight light turns off automatically after 30 seconds 9 7 XYZ CALL Press this key to change sensor axis selector All axis X axis Y axis Z axis 9 8 Alarm ON OFF Setup Press hold and key to switch the alarm function on The ALARM symbols in the display indicates that the alarm EN 23 ...

Page 30: ...the alarm function When the Alarm is ON the display shows 9 9 Viewing Data Records Press hold button and press button to view the saved data records Use or button to see the next or previous records Press key to close the setup exit the mode EN 24 ...

Page 31: ...isplay Press hold and button for more than seconds to select the display method of the Year Month Date hour and Second This meter s clock uses 24 hour time setting Default time mode setting is 2010 01 07 00 02 00 EN 25 ...

Page 32: ...EN 26 ...

Page 33: ... setup data Note1 you can set up 6 different functions in setup mode Clock Setup setup 1 Setting the alarm limit value ALARM setup 2 Clear data logger memory setup 3 Analogue bar graph X1 X10 X100 setup 4 Auto Power Off Time setup 5 Setting the calibration factor CAL 10 1 Clock Setup 1 Press hold button and press button first to enable Clock Setup EN 27 ...

Page 34: ...igit Hour day Month year Minute Press button to save the setting Date Time default format 2009 12 21 12 12 Year format 2000 2099 display as 00 99 10 2 Setting the alarm limit value ALARM 2 The alarm limit value is used to monitor the display value automatically It controls the alarm indication function The EN 28 ...

Page 35: ...three axial value comparator Press and hold on button and press button to Setup Mode then press button twice to turn on the meter to enter the alarm set ting mode the V m unit is flashing displayed Press and button to change digit Press key the one of four digit is flashing displayed Press key to select the desired setting value Press key to store the new setting value and exit EN 29 ...

Page 36: ...3 SET Press key in the display Press key to clear data logger memory for last record and exit the mode Press key in the display Press key to clear data logger memory for last record 10 4 Analogue bar graphsetup 4 Press hold button and press button to Setup Mode Press button four times to Analogue bar graph setting mode the graph unit is flashing displayed X1 X10 X100 EN 30 ...

Page 37: ...nt to disable auto power off please hold button and press button to Setup Mode push button five times the auto power off symbol will not display on the LCD Press and button to change digit Press key to store the new setting value and exit the symbol is displayed Maximum auto power off time 00 99 minutes Auto power off time default setting is 15 minutes EN 31 ...

Page 38: ...n factor The CAL setting range is from 0 10 to 9 99 Press and button to change digit Use or to select the desired setting value on the meter to enter the calibration factor setting mode the CAL SET marks is displayed Press key to store the new setting value and exit Calibration factor CAL The calibration factor CAL serves to calibrate the result display EN 32 ...

Page 39: ... CAL that has been entered and the resulting value is displayed The CAL setting range is from 0 10 to 9 99 The CAL factor is often used as a means of entering the sensitivity of the field sensor in terms of its frequency response in order to improve measurement accuracy EN 33 ...

Page 40: ...yed This effect is caused by electrostatic charges Recommendation Hold the meter steady during the measurement 12 Short term measurements Application Use either the instantaneous or the Max instantaneous mode if the characteristics and orientation of the field are unknown when entering an area exposed to electromagnetic radiation Procedure Hold the meter at arm s length EN 34 ...

Page 41: ...wn Pay special attention to measuring the vicinity of possible radiation sources Apart from active sources those components connected to a source may also act as radiators For example the cables used in diathermy equipment may also radiate electromagnetic energy Note that metallic objects within the field may locally concentrate or amplify the field from a distant source EN 35 ...

Page 42: ...adiation Make measurements at those points where parts of your body are nearest to the source of radiation Note Use the Average or Max average modes only when the instantaneous measurement values are fluctuating greatly You may fix the meter to a wooden or plastic tripod 14 SAFETY INFORMATION CAUTION EN 36 ...

Page 43: ...ed on Change the battery if the symbol is displayed In the case of prolonged storage it is preferable to remove the battery from the meter Avoid shaking the meter particularly in the measurement mode The specified limits outside and improper handling may adversely affect the accuracy and function of the meter EN 37 ...

Page 44: ...15 SAFETY INFORMATION DANGER EN 38 ...

Page 45: ...ich is used to generate conduct or consumer electromagnetic energy Be aware that secondary radiators e g reflective objects such as a metallic fence can cause a local amplification of the field Be aware that the field strength in the near vicinity of radiators increases proportionally to the inverse cube of the distance This means that enormous field strengths can result in the immediate vicinity ...

Page 46: ...nt Turn off the instrument Remove the battery cover Replace the battery Install the battery cover 17 Safety Precaution For cleaning the EN 40 WARNING If the symbol appears on the LCD please replace the battery immediately ...

Page 47: ...titude Up to 2000M Operating Environment Indoors use This instrument has been designed for being used in an environment of pollution degree 2 18 End of life Caution this symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal EN 41 ...

Page 48: ...EN 42 ...

Page 49: ...EN 1 ...

Page 50: ...EN 2 ...

Page 51: ...TENMARS ELECTRONICS CO LTD 6F 586 RUI GUANG ROAD NEIHU TAIPEI 114 TAIWAN E mail service tenmars com http www tenmars com ...

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