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Gossen MetraWatt METRISO 1000 IR, Operating Instructions Manual, Page: 4 / 28

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Gossen MetraWatt METRISO 1000 IR Operating Instructions Manual Download Page 4

4

GOSSEN-METRAWATT

Contents

1

Safety precautions  ..............................................  5

2

Applications .........................................................  6

3

Getting started .....................................................  6

3.1

Inserting the batteries  ............................................  6

3.2

Testing the batteries  ..............................................  6

3.3

Fastening the carrying strap and the probe holders  ..  8

3.4

Switching the tester on and off  ...............................  8

4

LCD display ..........................................................  9

5

Detecting dangerous touch potentials  ................  9

6

Measuring DC and AC voltages  .........................  10

7

Measuring the insulation resistance  .................  11

7.1

ISO-

Ω

 measurement up to 3 G

Ω

 

with autoranging ..................................................  11

7.2

ISO-

Ω

 measurement up to 3 G

Ω

 

with manual range selection  .................................  14

7.3

Evaluation of the measured values  ........................  15

7.4

ISO-

Ω

 measurement up to 30 G

Ω  ......................  

17

8

Measuring low-ohmic resistances (0 ... 30

Ω

) ..  17

8.1

Measuring with automatic polarity reversal  ............  17

8.2

Measuring with manual polarity reversal ................  18

8.3

Finding the max. display values 
regarding the maximum service error:  ..................  19

9

Specifications ....................................................  20

10

Maintenance ......................................................  25

10.1 Messages on the LCD display  ...............................  25
10.2 Testing the LCD display ........................................  25
10.3 Batteries .............................................................  26
10.4 Fuse ...................................................................  26
10.5 Lamp in the probe  ...............................................  27
10.6 Case ...................................................................  27

11

Repair and Replacement Part Service ...............  27

12

Product Support  ................................................  27

Summary of Contents for METRISO 1000 IR

Page 1: ...METRISO 1000 IR Insulation Tester 3 348 712 02 4 1 00 Operating Instructions ...

Page 2: ...2 GOSSEN METRAWATT 11 10 8 9 7 6 5 4 1 2 3 7 ...

Page 3: ...rement and for Ω measurement with current direction from to 4 Pushbutton for manual switching to lower measuring ranges with ISO Ω measurement and for Ω measurement with current direction from to 5 LCD display 6 Rotary switch for function selection 7 Supports for fastening of the carrying strap 8 Measurement pushbutton 9 Fixed probe with lamp negative pole 10 Fixed probe positive pole 11 Pickup cl...

Page 4: ... autoranging 11 7 2 ISO Ω measurement up to 3 GΩ with manual range selection 14 7 3 Evaluation of the measured values 15 7 4 ISO Ω measurement up to 30 GΩ 17 8 Measuring low ohmic resistances 0 30 Ω 17 8 1 Measuring with automatic polarity reversal 17 8 2 Measuring with manual polarity reversal 18 8 3 Finding the max display values regarding the maximum service error 19 9 Specifications 20 10 Main...

Page 5: ...cannot be avoided unless the tester is open and live this must only be performed by a qualified person who understands the dan ger involved Faults and extraordinary stress When it must be assumed that safe operation is no longer possible take the tester out of service and secure it against accidental use It is assumed that safe operation is no longer possible when the tester shows obvious signs of...

Page 6: ...f the discharge capability for electrostatic charges for floor coverings in explosion hazardous rooms according to DIN 51 953 3 Getting started 3 1 Inserting the batteries Attention Make sure that the rotary switch 6 is set to the OFF position prior to opening the battery com partment and that the tester is completely discon nected from all external circuits í Undo the two slotted screws on the bo...

Page 7: ...fly press the RANGE pushbutton 4 or briefly press the RANGE pushbutton 3 for the test for the nominal voltage 1000 RANGE V The battery voltage is displayed in digital and analog form as described above For recognition a horizontal line precedes the digital display for 250 V nominal voltage and three superimposed lines for 1000 V nominal voltage If the battery test reveals that the battery voltage ...

Page 8: ...al display only shows the decimal point together with the numeral 3 and the unit MΩ and the analog indicator shows the measuring range 500 V or 1000 V in line with the selected nominal voltage 500 V are displayed in the 250 V range When set to the Ω position the tester is switched to standby The digital display only shows the decimal point together with the number 30 and the unit Ω After measuring...

Page 9: ...yed in place of the measured value The analog indicator with pointer presentation gives the dynamic response of a moving coil movement The analog display is of particular advantage when observing variations of measured values and transients When the upper range limit is exceeded a triangle is shown at the end of the analog scale 5 Detecting dangerous touch potentials The tester detects dangerous t...

Page 10: ...igital display then again shows the actual measured value The measured value can be held as soon as it has reached a steady state again If you press the measurement pushbutton 8 even though the measured value is not yet stable only HOLD is shown and not DATA When pressing the measurement pushbutton the currently existing measured value is held on the digital display The pointer of the analog indic...

Page 11: ...ays switches to autorang ing The LCD then shows AUTO Detecting external voltages You can measure insulation resistances on electrically dead devices only That is why it is necessary to detect external voltages í Apply the two probes to the measuring points If a voltage approximately 25 V exists the presentation on the LCD display 5 changes as follows The warning triangle signals a hazardous contac...

Page 12: ... and observed over sev eral measuring ranges With measured values below 3 kΩ a triangle is shown at the left end of the analog scale in place of the pointer With a measured value of more than 3 GΩ overrange is signalled by a triangle at the right end of the scale You can measure insulation resistances up to 30 GΩ after manual range selection according to section 7 2 Lamp in the probe 9 The lamp fu...

Page 13: ...e pushbutton even though the measured value is not yet steady HOLD is displayed instead of DATA When releasing the pushbutton the measured value shown on the digital display is held í Continue to contact the measuring points with the two probes After releasing the measurement pushbutton the voltage scale is again shown on the analog indicator After having measured the insulation resistance of a ca...

Page 14: ...nge each time you press the pushbutton RANGE 4 you switch to the next lower range You can recognize the measuring range selected on the LCD by the numerals immediately under the decimal points and by the unit í Apply the two probes to the measuring points í Press the measurement pushbutton 8 in the probe 9 and hold it at this position The measured value is dis played in digital and analog form on ...

Page 15: ...e measured values So that the limits of the insulation resistance required by DIN VDE specifications are not fallen below under any con dition the measuring error of the insulation tester must be considered The required minimum display values for insula tion resistances which may be indicated with consideration of the maximum service error of the insulation tester under nominal conditions of use w...

Page 16: ...44 120 126 0 123 6 124 8 1 2 1 260 1 236 1 248 12 12 60 12 36 12 48 130 136 5 133 9 135 2 1 3 1 365 1 365 1 339 13 13 65 13 39 13 52 140 147 0 144 2 145 6 1 4 1 470 1 442 1 456 14 14 70 14 42 14 56 150 157 5 154 5 156 0 1 5 1 575 1 545 1 560 15 15 75 15 45 15 60 160 168 0 164 8 166 4 1 6 1 680 1 648 1 664 16 16 80 16 48 16 64 170 178 5 175 1 176 8 1 7 1 785 1 751 1 768 17 17 85 17 51 17 68 180 189...

Page 17: ... signal draws your attention to this you can end the measurement by again pressing the pushbutton 1 read and hold the measured value see Holding the measured value in section 7 1 8 Measuring low ohmic resistances 0 30 Ω 8 1 Measuring with automatic polarity reversal Attention Verify that the device under test is electrically dead e g by means of a voltage measurement before you perform measurement...

Page 18: ...scription 8 2 Measuring with manual polarity reversal í Briefly press the Ω pushbutton 3 or the Ω push button 4 You thus select the direction of the current with which you want to measure í Start measuring by pressing the measurement pushbut ton 8 in the probe 9 and hold the pushbutton at this position You may also start measuring by pressing the measurement pushbutton 1 on the tester Now the meas...

Page 19: ...of larger resistances as required by DIN VDE 0413 Part 4 the measuring span of the digital display is larger by one decade up to 30 Ω than that of the analog indicator up to 3 Ω On the low ohmic measuring range the tester is pro tected against overload by a superquick acting fuse FA 0 315 A 1000 V With a blown fuse only the voltage measuring range functions Ri 5 MΩ When you press the measurement p...

Page 20: ... 100 KΩ 10 MΩ 1 5 rdg 2D 1 5 rdg 2D 1 5 rdg 2D 1 5 rdg 2D 3 0 rdg 2D 20 0 rdg 2D 100 kΩ 100 MΩ AUTO 5 1200 V AC DC max 10s ISO Ω UN 500 V 0 30 kΩ 0 300 kΩ 0 3 MΩ 0 30 MΩ 0 300 MΩ 0 3 GΩ 1 0 30 GΩ 1 10 Ω 100 Ω 1 kΩ 10 kΩ 100 kΩ 10 MΩ 100 MΩ 1 5 rdg 2D 1 5 rdg 2D 1 5 rdg 2D 1 5 rdg 2D 1 5 rdg 2D 3 0 rdg 2D 20 0 rdg 2D 100 kΩ 100 MΩ AUTO 3 1200 V AC DC max 10s ISO Ω UN 1000 V 0 30 kΩ 0 300 kΩ 0 3 MΩ ...

Page 21: ... V 0 1000 V 880 50 kΩ U 1200 V ISO Ω UN 250 V 0 30 KΩ 0 300 KΩ 0 3 MΩ 0 30 MΩ 0 300 MΩ 0 3 GΩ 1 250 V IN 1 0 mA 275 V 2 0 mA on RX 550 kΩ off RX 500 kΩ on RX 2 kΩ off RX 6 kΩ ISO Ω UN 500 V 0 30 kΩ 0 300 kΩ 0 3 MΩ 0 30 MΩ 0 300 MΩ 0 3 GΩ 1 0 30 GΩ 1 500 V IN 1 0 mA 550 V 2 0 mA on RX 1 1 MΩ off RX 1 0 MΩ on RX 2 kΩ off RX 6 kΩ ISO Ω UN 1000 V 0 30 kΩ 0 300 kΩ 0 3 MΩ 0 30 MΩ 0 300 MΩ 0 3 GΩ 1 0 30 ...

Page 22: ... 10 at the limits of the nominal ranges of use Relative humidity Variation 1 x intrinsic error for 3 days of 75 RH and tester switched off Influence quantity Range of influence Meas quantity Meas range Variation rdg c Temp 0 21 C and 25 40 C 1000 V 0 5 2 10K 30 kΩ 300 MΩ 0 5 2 10K 3 GΩ 2 0 2 10K 30 GΩ 5 0 2 10K 30 300 Ω 0 5 2 10K Ubatt 0 5 2 10K Frequency of the meas qty 25 Hz 45 Hz and 65 Hz 1 kH...

Page 23: ...and digital display and display of the unit to be measured and various special functions Digital Display 7 segment numerals Height of numerals 14 mm Number of digits 3000 counts 3 digits Overrange indication OL Analog Indication LCD scale with pointer Scale length 78 mm Graduation 61 scale divisions Overrange indication by triangle 100 Ux V Rx kΩ UN 250 V 250 200 150 100 50 0 0 100 200 300 400 500...

Page 24: ...5 s pause 5000 measurements with zinc carbon 10000 measurements with alkaline manganese UN 1000 V 1 MΩ 5 s measure 25 s pause 2200 measurements with zinc carbon 3 500 measurements with alkaline manganese Ω measurement 1 Ω automatic polarity reversal 1 measurement cycle 25 s pause 10 000 measurements with zinc carbon 15 000 measurements with alkaline manganese Electrical safety Protection class Il ...

Page 25: ...ges that appear on the LCD display in place of the digital display have the following meaning U LO is show when there is a blown or missing fuse for ISO Ω only the battery voltage is too low the tester is defective FUSE is shown when pressing the measurement pushbutton 8 in the Ω funktion when there is a blown or missing fuse OL is shown when there is an overrange condition is shown when the teste...

Page 26: ...tted with a fuse type FA 0 315A 1000 V which protects the low ohmic measuring range against overload When a fuse blows the word FUSE is shown on the LCD display 5 in place of the digital display see section 10 1 In this case only voltage measurements with Ri 5 MΩ can still be performed The fuse is located in a holder in the bottom of the case Replace it as follows í Completely disconnect the teste...

Page 27: ...ot required Take care that the surface between the connection sockets is clean Use a slightly moist cloth for cleaning Avoid the use of cleansers abrasives or solvents 11 Repair and Replacement Part Service When you need service please contact GOSSEN METRAWATT GMBH Service Center Thomas Mann Straße 20 90471 Nürnberg Germany Phone 49 911 86 02 410 256 Fax 49 911 86 02 2 53 e mail fr1 info gmc instr...

Page 28: ...n Germany Subject to change without notice GOSSEN METRAWATT GMBH Thomas Mann Str 16 20 90471 Nürnberg Germany Phone 49 911 8602 0 Fax 49 911 8602 669 e mail info gmc instruments com http www gmc instruments com ...

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