Beha-Amprobe MT204-S User Manual
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Beha-Amprobe MT204-S User Manual

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MT204-S
Machinery Tester
Users Manual
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Summary of Contents for Beha-Amprobe MT204-S

  • Page 1 MT204-S Machinery Tester Users Manual...
  • Page 3 A MPROBE MT 204-S Users Manual 2010 BEHA-AMPROBE...

  • Page 4: Table Of Contents

    Limited warranty and limitation of liability ..........6 Service ...................... 6 References marked on the instrument or in this instruction manual ... 7 Introduction ..................... 8 The following features characterise the Machinery-Tester MT 204-S .. 8 Scope of supply ..................9 Transport and storage ................
  • Page 5 Fuse replacement ................... 41 Fuse replacement (mains fuse F1) ............42 Fuse replacement (fuse F2 for R and HV functions) ..42 PE10A Fuse replacement (fuse F3 for R function) ........43 PE0.2A Technical data ..................44 General data ..................44 Measurement functions ................

  • Page 6: Limited Warranty And Limitation Of Liability

    Limited warranty and limitation of liability It is guaranteed that this BEHA-AMPROBE product is free of material and manufacturing damages for the time period of 24 months starting from the date of purchase. This warranty does not include fuse malfunctions, as well as damages caused by accidents, negligence, misusage, unauthorised modifications, abnormal operating conditions or improper handling.

  • Page 7: References Marked On The Instrument Or In This Instruction Manual

    References marked on the instrument or in this instruction manual Warning of a potential danger, comply with instruction manual. ☞ Reference, please pay utmost attention. Caution, dangerous voltage. Danger of electrical shock. Symbol for marking of electrical and electronic equipment (WEEE Directive).

  • Page 8: Introduction

    BEHA-AMPROBE GmbH, which will enable you to perform repeatable measurements for a very long period of time. The Machinery-Tester MT204-S is a measurement instrument used for final inspection and documentation of electrical equipment of machines, control cabinets, switchgears as well as devices complying with EN 60204-1.

  • Page 9: Scope Of Supply

    Scope of supply 1 pc Machinery-Tester MT 204-S 1 pc HV function lock key 1 pc Mains cord (Schuko) 1 pc Mains cord (Swiss) 1 pc Mains cord (UK) 2 pcs Safety test leads 2 m 2 pcs Safety test lead extensions 10 m 2 pcs Alligator Clips 1 pc USB interface cable...

  • Page 10: Safety Measures

    Safety measures The Machinery-Tester MT 204-S has been built and tested in compliance with the valid safety regulations and left the factory in safe and perfect condition. In order to maintain this condition and to ensure safe instrument operation, the user must pay attention to the references and warnings contained within this instruction manual.

  • Page 11: Appropriate Usage

    HIGH VOLTAGE, DANGER OF ELECTRICAL SHOCK • The Machinery-Tester MT 204-S supplies high voltage of dangerous power. According to EN 50191 the following precautionary measures must be taken prior to a test: - Block access to danger area. - Put up warning signs (Attention! High voltage, danger to life). - Install warning lamps (red, green) to be easily visible.

  • Page 12: Operation Elements And Connectors

    Operation elements and connectors Front panel of the Machinery-Tester MT 204-S IEC connector for mains supply Mains fuse (F1) "ON/OFF" mains switch (with red pilot lamp) Fuses for measurement functions R and HV (F2, F3) Measurement function selector HV lock key enabling / disabling the High-voltage test (flash test).
  • Page 13 Figure 1: Machine Test MT 204-S...

  • Page 14: Lc-Display

    LC-Display Display in a measurement function (e.g. R L 2.60 0.58  COMP Figure 2: LC-Display in measurement function R 1 Line for display of measurement function, limit value and parameters 2 Display of measurement value and unit 3 Menu keys line Menu display (after pressing the "MENU"...

  • Page 15: Safety Measures

    Safety measures WARNING  Correct functionality of the instrument must be verified prior to any use. • Attention must be paid to proper condition of the test leads, measurement accessories and measurement instrument itself. • Test leads and measurement accessories may only be touched on protected areas.

  • Page 16: Preparation Of The Machinery-Tester Mt 204-S

    Preparation of the Machinery-Tester MT 204-S Turning on the Machinery-Tester MT 204-S Connect the Machinery-Tester MT 204-S to correctly installed schuko mains socket using supplied mains cord. Use the mains switch "ON/OFF" (3) to turn on the MT 204-S. After turning on the MT 204-S, pilot lamp of the power switch (3) will switch on and LC-Display (16) will show initial readout of selected function.

  • Page 17: Limit Value Setting

    Limit value setting This function is available in measurement functions R and R For limit value setting press the "LIM" menu key (14), then use the "+" "–" menu keys to set appropriate limit value. "EXIT" function key shall be used to exit limit value setting display. ...

  • Page 18: External Voltage Display, Display In Case Of Blown Fuse

    External voltage display, display in case of blown fuse • If there is an external voltage present at test tips in R or HV functions prior to a measurement, the "VOLTAGE" sign appears on the display and start of the measurement is blocked. •...

  • Page 19: Measurement According To En 60204-1

    Measurements according to EN 60204-1 Earth bond resistance measurement (R function) • Complying with EN 60204-1, continuity of protective bonding circuit between PE terminal and relevant points of the protective conductor system must be checked by injecting a measurement current of 0.2 A up to approx.

  • Page 20: Loop Impedance / Prospective Short-Circuit Current Measurement (Z L /Ipsc Function)

    Loop impedance / Prospective short-circuit current measurement (Z function) • According to EN 60204-1, the conditions for protection against electric shock in installations with automatic disconnection of mains voltage are: • Measurement or evaluation of fault loop impedance and testing the over-current protection device involved in the fault loop.
  • Page 21 • For saving displayed measurement result press the "SAVE" function (12) twice, for further instructions see the "Memorizing example" section. • By setting the test current to 20 A, the loop impedance measurement will be executed quickly and accurately. Potential motor protection switch or residual current device (RCD) can be triggered during the measurement, because of high test current.

  • Page 22: Insulation Resistance Measurement (Riso Function)

    Insulation resistance measurement (R function) • According to EN 60204-1, the insulation resistance between shorted active conductors of power circuit and the earth bonding system must be checked applying a test voltage of 500 V DC. The limit value is 1 M.
  • Page 23 that the unit under test is discharged through the measurement instrument (not through short circuit)! • For saving displayed measurement result press the "SAVE" function (12) twice, for further instructions see the "Memorizing example" section.  Note! Connect COM test lead to chassis if the object under test is grounded.

  • Page 24: High Voltage Test (Hv Function)

    50 Hz. Components not rated for this test voltage may be disconnected before carrying out the test. WARNING, DANGER OF ELECTRICAL SHOCK The Machine tester MT204-S supplies high voltage of a dangerous power. According to EN 50191 the following precautionary measures must be taken prior to a test: •...
  • Page 25 • In case of flashover in the unit under test, the test is terminated immediately, both pilot lamps (8) and (10) switch off and the "FAIL" mark is displayed. Stop the test by pressing the "START/STOP" button again. • After finishing the high-voltage test, set the measurement function selector (5) to any function but "HV"...

  • Page 26: Residual Voltage / Discharge Time Measurement (Ures , T Res Function)

    Residual voltage / Discharge time measurement RES function • What are residual voltages? Residual voltages are such voltages that exist even after switch off a machine or a device. This can be caused e.g. by built in capacitors or subsequent generators. This measurement is performed using the function "U ".
  • Page 27 MODE TIME Figure 11: Measurement function U 1 Display of measurement function, parameters and set limit value 2 " U" menu key, for selection of measurement function (Residual voltage or Discharge time) 3 "MODE" menu key, for selection of measurement mode "LIN" or "UNLIN"...

  • Page 28: Explanation Of Linear And Non-Linear Mode

    Up = 400 V × 1.1 × 1.41 = 620 V ..standard system voltage 400 V If actual mains voltage differs from nominal system voltage more than  10%, the MT204-S scales the result to peak value of actual voltage. Example 1: Uin = 173 Vef (the value differs more than 10% from 230V), result refers to 173 V ×...

  • Page 29: Residual Voltage Measurement "Non-Linear Mode

    Residual voltage measurement Non-linear mode " " In non-linear mode it is assumed there are also "non-linear" or unknown components involved in discharge process (relays, gas lamps etc.) and therefore discharge characteristic is non-exponential or even unpredictable, see the diagram below. Coincidental switch off at any mains voltage Relay may be...

  • Page 30: Menu Functions

    Menu functions For further selection, entry and display of instrument’s settings, press the "MENU" function key (12), the following selection menu appears. MEMORY DATE/OPERATOR LANGUAGE CONTRAST BACKLIGHT TESTER INFO Figure 15: LC-Display "Main menu" 1 Selected menu function 2 Other available menu functions 3 "▼"...

  • Page 31: Memory" Menu

    • USB memory stick shall be connected to USB interface USB2. Three sound signals will follow after plugging it to USB2 connector as a confirmation the memory stick is recognized by the Machinery-Tester MT204-S. The USB memory stick has to be FAT12, FAT16 or FAT32 formatted, sector size 512 Byte.

  • Page 32: Date/Operator" Menu

    "DATE/OPERATOR" menu There are the following selection possibilities: DATE: Setting of actual date. Use the "▼", "▲" and "►" menu keys to set the date then confirm it by pressing the "" menu key. OPERATOR: Entry of the operator. After date confirmation, the cursor is automatically placed to the last character of the operator’s name.

  • Page 33: Language" Menu

    "LANGUAGE" menu There are the following selection possibilities: ENGLISH, GERMAN, FRENCH, ITALIAN or Spanish language. ENGLISH GERMAN FRENCH ITALIAN SPANISH Figure 18: LC-Display menu "LANGUAGE" "CONTRAST" menu Contrast of the LC-Display can be adjusted by using the "-" and "+" menu keys.

  • Page 34: Backlight" Menu

    BACKLIGHT Figure 20: LC-Display menu "BACKLIGHT" "TESTER INFO" menu The following instrument information can be read in this menu: Model, Serial number, Catalogue number, Firmware version and Hardware version. MODEL: MT204-S SER NO: XXXXXXXX CAT NO: 9085 FW VER: 1.XX HW VER: 1.XX...

  • Page 35: Memory Features

    Memory features Any memory address consists of a customer name, machine name and location name. The memory address should be entered / selected before storing measurement results. Date and operator must be entered before carrying out the measurements as they are attached to any measurement result immediately after finishing the measurement.

  • Page 36: General Memory Operations

    General memory operations Menu key "▼" Storage level (customer, machine, location, No.) is selected. Menu keys "◄" and "►" Already entered names (for customer, machine, location, Nr.) can be selected. A new name can be opened by using the "►" menu key. Menu key "REN"...
  • Page 37 5) Select the next storage level "MAC" (machine) by using the "▼" menu key. 6) Select already entered machine name by using the "◄" and "►" menu keys. If wished machine name is not entered yet, then setup a new machine by using menu key "►", offered default name is "XXXX".

  • Page 38: Recall Data

    Recall data In order to recall stored measurement result follow the following instructions: 1) Press the "RCL" menu key (12). 2) Level "CUS" (customer) is already marked. Select wished customer name by using the "◄" and "►" menu keys. 3) Select the next storage level "MAC" (machine) by using the "▼"...

  • Page 39: Entry Of Memory Address Using External Keyboard

    Entry of memory address using external keyboard The optional USB keyboard is a welcome accessory when inserting memory address construction (customer, machine and location) in order to do the job quickly and simply. Connect the USB keyboard to USB2 connector, three sound signals follow after plugging it, as a confirmation of USB-device recognition.

  • Page 40: Enter Of Memory Address Using Bar Code Reader

    Entry of memory address using barcode reader The optional USB barcode reader is a welcome accessory when inserting memory address structure (customer, machine and location) in order to do the job quickly and simply. Connect the USB barcode reader to USB2 connector, three sound signals follow after plugging it, as a confirmation of USB device recognition.

  • Page 41: Maintenance

    Maintenance When using the instrument in compliance with the instruction manual, no special maintenance is required. However, should functional errors occur during normal operation, our after sales service will repair your instrument without delay. Cleaning If the instrument is needed to be cleaned after daily usage, it is advisable to use a wet cloth and a mild household detergent.

  • Page 42: Fuse Replacement (Mains Fuse F1)

    Fuse replacement (mains fuse F1) In case mains switch pilot lamp (3) does not illuminate after connecting the Machinery-Tester MT204-S to mains outlet and switching on the mains switch and neither the LC-Display (16) shows any indication, it is very likely mains fuse (2) to be blown.

  • Page 43: Fuse Replacement (Fuse F3 For Rpe0.2A Function)

    Fuse replacement (fuse F3 for R function) PE0.2A Internal fuse F3 (FF 1.0 A / 500 V, 6.3 x 32 mm) has blown if: • Text "FUSE (F3) 1.0A" appears on the LC-Display in R function PE0.2A • Check the fuse also if "FUSE (F2/F3)" appears on the LC-Display in R PE0.2A or R function...

  • Page 44: Technical Data

    Technical data General data Display Graphic LC-Display, 128 x 64 dots Limit value display Optic and acoustic Limit value setting Within measurement range (in functions and R Memory Approx. 2000 memory locations, 3 levels (customer, machine, measurement location), additional measurement No. is created. Interface (USB1) USB 2.0 device, USB interface to PC Interface (USB2)

  • Page 45: Measurement Functions

    Measurement functions Earth bond resistance (R PE 10A 0.12 ... 20.00  Measurement range 0.00 ... 20.00  Display range 0.01  Resolution Accuracy ± (3% rdg. + 2 digits) Test current approx.10 A AC (mains voltage 230 V ± 10%, standard test leads 2 ×...
  • Page 46 Loop impedance / Prospective short-circuit current (Z PSC LOW 1.2 ... 9.9 , 10 ... 500  Measurement range Z 1.2 ... 9.9 , 10 ... 500  Display range Z 0.1 , 1  Resolution Z Accuracy Z ± (3% rdg. + 6 digits)* Display range I 0.4 A ...
  • Page 47 Breaking current (It) Selectable 5 mA, 10 mA, 25 mA or 50 mA Accuracy of trip current ± 15% of It Breaking time after reaching breaking current <20 ms Residual voltage / Discharge time (U Input voltage range 0 ... 440 V AC, 50 Hz 0 ...
  • Page 48 Visit www.Amprobe.eu for: Catalog Application notes Product specifications User manual...

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