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NARDA nbm-520, Operating Manual

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3   Preparing the NBM-520 for use

14 

NBM-520

Narda

After transport and storage

Note:

The instrument is not ready for use until it has 
reached a temperature within the operating 
range of -10 to +50 °C.

NOTICE

Condensation on an instrument can lead to 
damage

Condensation can form on an instrument that has 
been stored at a low temperature when it is brought 
into a warm room. It may be damaged if used.

⇒

Wait until all visible condensation has evaporated from 
the instrument surface to avoid damaging the instru-
ment.

Summary of Contents for nbm-520

Page 1: ...NBM 520 Narda Broadband Field Meter Operating Manual...

Page 2: ...t Solutions GmbH Sandwiesenstra e 7 72793 Pfullingen Germany 2007 Order no 2403 98 21 Edition 02 07 12 A Previous edition 01 07 03 A Subject to change Our normal guarantee and delivery terms apply Pri...

Page 3: ...3 Improper use 8 2 4 Dangers from electromagnetic fields 9 Strong Fields 9 Measurement Errors 9 Probe is not operating properly 9 2 5 Dangers when handling rechargeable batteries 10 2 6 Dangers from...

Page 4: ...al 27 MAX Maximum 27 AVG Average 27 SPATIAL spatial average 28 4 7 Selecting the units 29 4 8 Freezing a result 30 4 9 Changing the field type measurement 30 4 10 Using the alarm function 30 4 11 Remo...

Page 5: ...batteries 42 Instrument 43 6 4 Checking for proper operation 43 Appropriate test sources 45 7 Specifications 47 7 1 Display 48 7 2 Measurement functions 48 7 3 Interfaces 48 7 4 General specification...

Page 6: ...Contents iv NBM 520 Narda...

Page 7: ...mation This chapter contains basic information about measuring electromagnetic fields and about using the NBM 520 1 1 Measuring electromagnetic fields page 2 1 2 About this instrument page 2 1 3 About...

Page 8: ...rument features very simple operation a handy design in a robust casing long battery life and high measurement accuracy Probes for various measurement applications are con nected to the NBM 520 basic...

Page 9: ...iance with human safety limit values Measuring the field strength in the industrial workplace environment such as plastics welding equipment RF heating tempering and drying equipment Measurements to e...

Page 10: ...ANGER Follow all the instructions in order to avoid injuries or death NOTICE Indicates a danger that results in damage to or destruction of the instrument CAUTION Indicates a hazardous situation which...

Page 11: ...rument on 1 2 3 Sequence of instructions Indicates a sequence of instructions that must be carried out in the order given Result Indicates the result of carrying out an instruction e g The instrument...

Page 12: ...1 Useful information 6 NBM 520 Narda...

Page 13: ...Please therefore read this chapter carefully and follow the instructions closely 2 1 Using this operating manual page 8 2 2 Proper use page 8 2 3 Improper use page 8 2 4 Dangers from electromagnetic...

Page 14: ...particular observe the technical data given in the Specifications on page 47 Proper use also includes observing any national accident prevention regulations at the place of use ensuring that the instr...

Page 15: ...ft If the instrument malfunctions take it out of service and contact your Narda Service Center The addresses are listed at the end of this operating manual and on the In ternet at http www narda sts c...

Page 16: ...ment immediately after replacing batteries Never use the NBM 520 with the battery compartment open 2 6 Dangers from AC adapter charger You could experience electric shock from the AC adapter charger D...

Page 17: ...for use This chapter describes all you need to do before starting to use the NBM 520 3 1 Unpacking page 12 3 2 Instrument overview page 15 3 3 Using rechargeable batteries and the AC Adapter Charger...

Page 18: ...520 including 2 x NiMH Mignon AA batteries Case Probe type and quantity as ordered AC Adapter Charger Shoulder strap NBM TS PC software Operating manual Calibration certificate O E converter Cable fi...

Page 19: ...u can use the case provided to store a wide range of optional accessories in addition to the items supplied The figures below show the compartments in the case lid and case base Case lid Case base 1 2...

Page 20: ...within the operating range of 10 to 50 C NOTICE Condensation on an instrument can lead to damage Condensation can form on an instrument that has been stored at a low temperature when it is brought int...

Page 21: ...3 2 Instrument overview Narda NBM 520 15 3 2 Instrument overview 7 1 2 3 4 9 10 6a 6b 6 5 8...

Page 22: ...Clear button Switches the instrument on or off Charge Charge state Indicates the charge state red rapid charging green trickle charging Status Operating status Indicates the instrument operating stat...

Page 23: ...ifications cannot then be guaranteed Charge state and power source indicator The battery charge state and the power source used are indicated at the top right of the display Table 1 Charge state and...

Page 24: ...the AC Adapter Charger 1 Connect the AC Adapter Charger to the charging socket of the NBM 520 2 Connect the AC Adapter Charger to the AC line The charge cycle starts The Charge LED glows red during th...

Page 25: ...rse polarity and make them useless 3 4 Connecting the probe There are many different probes available for different appli cations for the NBM 520 You can find more information about the order numbers...

Page 26: ...ng towards the front of the instrument Push the probe plug 10 straight down into the probe socket 1 until it clicks into place The NBM 520 detects the probe type automatically The probe type is displa...

Page 27: ...strument settings page 22 4 3 Self test page 25 4 4 Setting the contrast page 25 4 5 Overview of the display page 26 4 6 Selecting the result type page 26 4 7 Selecting the units page 29 4 8 Freezing...

Page 28: ...instrument settings and performs a self test 4 2 Displaying the instrument settings The preset instrument settings are displayed after the instrument is turned on You can change these settings with t...

Page 29: ...es 15 minutes auto off after 15 minutes 30 minutes auto off after 30 minutes 60 minutes auto off after 60 minutes off auto off function disabled The default setting is 15 minutes BACKLIGHT The display...

Page 30: ...on page 28 UNIT The UNIT item displays the last unit used This unit is also used for the limit value of the alarm function LIMIT FLAT LIMIT SHAP These items show the limit value settings for the audi...

Page 31: ...hen switch it on again If an error message is displayed again Switch the instrument off and contact your nearest Narda Service Center 4 4 Setting the contrast You can change the display contrast depen...

Page 32: ...erage page 28 These different result display modes are described in the sections indicated above To select a result type Press the Mode button repeatedly until the desired result type is displayed 1 P...

Page 33: ...change the probe or press the Clear button Press the Clear button to reset the maximum value and restart the measurement AVG Average The average value is determined from the current measure ment valu...

Page 34: ...while the probe is moved through the area of interest This allows you to measure the field strength affecting an entire room You can set the measurement method using the PC soft ware To measure discre...

Page 35: ...play 4 To perform a further measurement press the Hold button again This automatically resets the last average value Note To help you move the NBM 520 smoothly an au dible signal is output once every...

Page 36: ...re electric as well as mag netic fields You will need to select the field type on the instrument The field type is shown at the bottom left of the display To change the field type Press the Hold and M...

Page 37: ...is shown in the display when the alarm function is activated see Overview of the dis play on page 26 To deactivate the alarm function Set the parameter ALARM to OFF using the PC soft ware 4 11 Remote...

Page 38: ...ate an external probe for example Remote EF0391 To remote control the NBM 520 using the NBM TS software 1 Connect the NBM 520 to the PC see Connecting the NBM 520 on page 36 2 Use the NBM TS software...

Page 39: ...isplays completely different values because it was set to MAXimum and W m2 Both displays are correct there are no errors Note Normal remote control via NBM remote control commands differs from the beh...

Page 40: ...4 Measuring with the NBM 520 34 NBM 520 Narda...

Page 41: ...ettings you need to make on the NBM 520 It also describes how to update the NBM 520 software using the PC software You can find detailed information about the PC software itself in the on line help fo...

Page 42: ...B driver installed with the software 5 2 Connecting the NBM 520 You can connect the NBM 520 to the PC using the optical interface and the O E converter Use the 2 m long optical data cable supplied wit...

Page 43: ...ing values see Displaying the instrument settings on page 22 AUTO ZERO AUTO OFF BACKLIGHT AVG TIME SPATIAL UNIT LIMIT FLAT LIMIT SHAPED ALARM 5 5 Updating the firmware You can update the firmware of t...

Page 44: ...2 Establish a connection between the instrument and PC see Working with the PC software on page 36 3 Start the NBM TS software 4 Activate the connection in the Extras menu via the Connect icon 5 Click...

Page 45: ...how to clean the instrument replace the batteries dispose the instrument and check the instru ment for proper operation 6 1 Cleaning the instrument page 40 6 2 Replacing removing the batteries page 4...

Page 46: ...still damp 6 2 Replacing removing the batteries The rechargeable batteries have a useful life of about 1000 charge cycles or 3 years whichever occurs soonest NOTICE Damage to the instrument from liqu...

Page 47: ...al batteries always replace the entire set Always use identical batteries WARNING Short circuiting the batteries Overheating explosion or ignition of rechargeable batteries or their surroundings Never...

Page 48: ...icable in your country 4 Insert the new batteries Make sure you insert them the right way round according to the diagram on the base of the battery compartment 5 Close the battery compartment 6 Connec...

Page 49: ...company them are clearly marked with the symbol of a garbage bin crossed out with black lines You can obtain further information from your local Narda Sales Partner or at http www narda sts com 6 4 Ch...

Page 50: ...h1 3 3 Bring an appropriate signal source see Appropriate test sources on page 45 near the probe head 4 Switch the signal source on The Ch1 3 display increases Function test OK Briefly press the ON OF...

Page 51: ...44 90 38 Test Source 446 MHz PMR Pocket Radio 1 1 PMR Pocket Radios are commonly available in electronics stores Test Source 12 GHz Model 8699 2 2 Model 8699 only available for North America EF0391 9...

Page 52: ...6 Instrument maintenance 46 NBM 520 Narda...

Page 53: ...chapter lists the specifications of the NBM 520 7 1 Display page 48 7 2 Measurement functions page 48 7 3 Interfaces page 48 7 4 General specifications page 49 7 5 AC Adapter Charger Unit page 49 7 6...

Page 54: ...9 Measurement modes isotropic RSS Instantaneous actual value ACT maximum MAX average AVG spatial average SPATIAL Averaging time AVG 4 s to 30 min in 2 s steps averaging time selectable using PC softwa...

Page 55: ...0 10 low 5 Temperature range Operational 10 C to 50 C Non operational transport 30 C to 70 C Humidity 5 to 95 relative humidity no condensation 29 g m absolute humidity IEC 60721 3 2 class 7K2 Dimensi...

Page 56: ...7 Specifications 50 NBM 520 Narda 7 6 CE Declaration of Conformity...

Page 57: ...Narda NBM 520 51 8 Ordering information This chapter lists the ordering information for the NBM 520 probes and accessories 8 1 NBM 520 page 52 8 2 Probes page 52 8 3 Accessories page 53...

Page 58: ...ield for NBM 100 kHz 3 GHz isotropic 2402 01 Probe EF1891 E field for NBM 3 MHz 18 GHz isotropic 2402 02 Probe EF5091 E field for NBM thermocouple 300 MHz 50 GHz isotropic 2402 03 Probe EF6091 E field...

Page 59: ...65 m with carrying bag 2244 90 31 Tripod extension non conducting 0 50 m for 2244 90 31 2244 90 45 Extension handle non conducting 0 42 m 2250 92 02 O E converter RS232 RP 02 DB9 2260 90 06 Cable fib...

Page 60: ...8 Ordering information 54 NBM 520 Narda...

Page 61: ...ng 25 D Dangers from 19 Discrete spatial measurement 28 Display backlight 23 Disposal 42 E Electromagnetic fields Dangers from 9 Error message 25 F Firmware update 37 Freezing a result 30 Function tes...

Page 62: ...t type 26 Selecting the units 29 Self test 25 Setting contrast 25 SPATIAL 24 28 Spatial average 28 Specifications 47 Switching off 33 Switching on 22 Symbols and marks 5 T Terminology 5 Test sources 4...

Page 63: ......

Page 64: ...ts com Narda Safety Test Solutions 435 Moreland Road Hauppauge NY 11788 USA Phone 1 631 231 1700 Fax 1 631 231 1711 E mail NardaSTS L 3COM com www narda sts us Narda Safety Test Solutions Srl Via Leon...

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