Gossen MetraWatt METRA HIT 1A Page 28 Operating Instructions Manual Download | Manualshive

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28 GMC-I

Messtechnik

GmbH

7

Standard Equipment

Analog multimeter without battery, without cable set

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Summary of Contents for METRA HIT 1A

Page 1: ...Operating Instructions METRA HIT 1A 2A Analog Multimeter 3 349 305 15 5 8 11 ...

Page 2: ...Connection for resistance measurement and capacitance measurement negative potential 4 Connection for all voltage and current ranges except for METRA HIT 2A here current measuring range up to 1 5 A 5 Catch for locking the bottom part of the instrument 6 Set screw for mechanical zero setting of the pointer 7 Potentiometer knob 8 Range switch 6 5 3 4 1 8 7 2 ...

Page 3: ...12 4 4 2 METRA HIT 2A Direct and Alternating Currents up to 15 A 13 4 5 Resistance Measurements 14 4 6 Estimated Capacitance Measurement 16 4 7 Measurement of Gain and Attenuation 17 4 8 Testing Diodes and Transistors 18 5 Technical Characteristics 19 6 Maintenace 25 6 1 Battery 25 6 2 Housing 25 6 3 Fuses 25 6 4 Device Return and Environmentally Compatible Disposal 27 7 Standard Equipment 28 8 Re...

Page 4: ...ety cannot be guaranteed if the instrument is used improperly or handled carelessly In order to maintain flawless technical safety condition and to assure safe use it is imperative that you read the operating instructions thor oughly and carefully before placing your instrument into service and that you follow all instructions contained therein Observe the following safety precautions The instrume...

Page 5: ...ngerously charged Make certain that the measurement cables are in flawless condition e g no damage to insulation no interruptions in cables or plugs etc No measurements may be performed with this instrument in electrical circuits with corona discharge high voltage Special care is required when measurements are made in HF electrical circuits Dangerous pulsating voltages may be present Measurements ...

Page 6: ...conformity 2 Application The multimeter is suited for voltage current and resistance mea surements and for the rough measurement of capacitance It is designed for universal use in electronics radio and television technology and digital technology and can be used for many measuring tasks in the field of general electrical technology The meter is mainly used in the DIY sector as well as in the field...

Page 7: ... of the measured values The pivots of the measuring element and the measuring range switch are located in line one above the other so that it is also possible to provide long scales for the Ω and dB measurements The rugged plastic case and the core magnet moving coil measuring element with its spring backed jewel bearings protect the meter against damage when subjected to rough mechanical stress T...

Page 8: ...age and current The switch then has to be switched to lower ranges until the optimum deflection is obtained Connection sockets The meter has connection sockets with shock proof protection Their functions are as follows Socket common connection for all measuring ranges instrument earth Socket 15 A METRA HIT 2A connection for highest current measuring range 15 A Socket Ω connection for resistance me...

Page 9: ... the measuring circuit Press the catch on the rear of the instrument using a test point banana plug or similar object in the direction of the arrow and remove the lower section Insert the 1 5 V mignon cell in accordance with the symbol and pole sign Attention Only use a leak proof 1 5 V mignon cell according to IEC LR6 R 6 AA Size Place the instrument in the lower section of the housing and gently...

Page 10: ...possible to set the full deflection or if the reading does not remain constant after setting the mignon cell is spent or the pigtail fuse is defective 4 3 Voltage Measurement Attention Regardless of the value of the measured voltage as a safety precaution do not exceed the sum of 500 V CAT II for measured voltage plus voltage against earth when directly connecting up the multimeter The left hand c...

Page 11: ...the voltage measured to the test leads For DC voltage socket must be connected to the negative pole of the measured voltage and socket V A to its positive pole If the measured voltage is less than 150 V set range switch in the case of DC voltage to the lower DC voltage ranges and in the case of AC voltage to the lower AC voltage ranges proceeding until optimum deflection is obtained Read off the m...

Page 12: ...nge switch to the position 5 A or 5 A METRA HIT 2A 1 5 A or 1 5 A Plug test leads into the instru ment black test lead to socket and red lead to V A Disconnect the power supply to the measuring circuit and or the power consumer Rv and discharge all capacitors if avail able Interrupt the measuring circuit and safely connect the measur ing leads without contact resis tance in series with the power c...

Page 13: ...4 2 METRA HIT 2A Direct and Alternating Currents up to 15 A Set the range switch to the posi tion 15 A or 15 A Plug the test leads into the in strument black test lead to socket and red test lead to socket 15 A Disconnect the power supply to the test circuit or consumer Rv and discharge all capacitors if any Disconnect test circuit and con nect test leads safely no contact resistance in series to ...

Page 14: ...ative pole on socket Ω Set range switch depending on the measured value expected to one of the ranges Ω x 1 Ω x 1000 Plug in the test leads to sockets and Ω Short circuit the test leads Using the potentiometer knob set the pointer of the measur ing mechanism to full deflection 0 Ω If it is no longer possi ble to set for full deflection or if the reading does not remain constant after setting the m...

Page 15: ... smallest in the middle of the deflection range Read off the value displayed on the Ω scale and multiply by the factor according to the adjusted measuring range During resistance measurements of a longer duration the full deflection 0 Ω should always be checked if pos sible after moving the range switch from one resistance range to another and if necessary it should be reset Note Contact resistanc...

Page 16: ...er deflection serves as a measure for capaci tance It is to be determined on scale 0 5 V A The mea sured value can be determined using the following comparative scale and the factor for capacitance measurement correspond ing to the measuring range selected Before measurement is repeated the capacitor must be recharged Example Selected measuring range Ω x 100 Return point of pointer 3 3 on the uppe...

Page 17: ...f the dB scale The range 15 6 dB shown on the scale corresponds to the AC voltage range 1 5 V In the case of the higher voltage mea suring ranges 5 V 15 V 50 V 10 dB 20 dB 30 dB are to be added to the value read see the table in chapter 5 showing the voltage measuring ranges If a DC voltage is superposed on the AC voltage to be measured this can be cancelled out by using a suitable capacitor which...

Page 18: ...ransistors The resistance range Ω x 1000 is suitable for approximate func tional testing of diodes and transistors By using a resistance measurement see chapter 4 5 it is simple to determine a short circuit or interruption of current in a diode or a diode path between base collector and emitter in a transistor This test also enables the polarity of a diode and the base connection of a transistor t...

Page 19: ...Voltage Output 1 Internal Resistance approx 0 15 V 3 15 kΩ 0 50 V 10 00 kΩ 1 50 V 15 6 dB 31 50 kΩ 6 50 kΩ 5 00 V 5 16 dB 100 00 kΩ 20 00 kΩ 15 00 V 5 26 dB 315 00 kΩ 65 00 kΩ 50 00 V 15 36 dB 1 00 MΩ 200 00 kΩ 150 00 V 25 46 dB 3 15 MΩ 650 00 kΩ 500 00 V 35 56 dB 10 00 MΩ 2 00 MΩ Current Voltage Drop approx 50 00 μA 0 158 V 0 50 mA 1 15 V 1 00 V 5 00 mA 1 25 V 1 25 V 50 00 mA 1 25 V 1 25 V 500 00...

Page 20: ...4 6 Current Voltage Drop approx 50 μA 0 158 V 1 5 mA 1 16 V 1 21 V 15 mA 1 25 V 1 25 V 150 mA 1 25 V 1 25 V 1 5 A 1 95 V 1 95 V 15 A 0 43 V 0 49 V Resistance Measuring Limits Value at Mid Scale Ri Max Meas Current Imax 2 approx Ω x 1 1 Ω 1 kΩ 18 00 Ω 83 mA Ω x 10 10 Ω 10 kΩ 180 00 Ω 8 3 mA Ω x 100 100 Ω 100 kΩ 1 80 kΩ 0 83 mA Ω x 1000 1 kΩ 1 MΩ 18 00 kΩ 0 083 mA Capacitance 3 Measuring Limits μF x...

Page 21: ... according to IEC EN 60 051 Ambient Conditions Storage temperatures 25 65 C without battery Relative humidity max 75 no condensation allowed METRA HIT 2A Accuracy for reference conditions per IEC EN 60 051 Class 2 5 for and maximum permissible intrinsic error in the 15 A range 2 1 5 V 1 2 5 Class 2 5 for Ω error in relation to a scale length of 52 mm METRA HIT 2A additional accuracy class influenc...

Page 22: ...ltage 3 5 kV Contamination level 2 Fuses replaceable METRA HIT 1A F1 FF630mA 700V AC 50 kA 6 3 x 32 Article number Z109J F2 FF6 3A 500V AC 50 kA 6 3 x 32 Article number Z109K METRA HIT 2A F1 FF1 6A 700V AC 50 kA 6 3 x 32 Article number Z109E F2 FF16A 500V AC 50 kA 6 3 x 32 Article number Z109A pigtail fuse 750 mA 600 V AC Electromagnetic Compatibility EMC Interference emission EN 61326 1 2006 clas...

Page 23: ...V 2 300 V 2 500 V 2 50 0 μA 0 5 mA 5 0 mA 50 0 mA 500 0 mA 5 000 0 mA 1 0 mA 5 0 mA 10 0 mA 70 0 mA 500 0 mA 3 0 A 5 0A 3 0 5 mA 5 0 mA 50 0 mA 500 0 mA 5 000 0 mA 5 0 mA 10 0 mA 70 0 mA 500 0 mA 3 0 A 5 0A 3 Range loadable up to Range loadable up to 0 15 V 0 5 V 1 5 V 5 0 V 15 0 V 50 0 V 150 0 V 500 0 V 20 V 1 50 V 2 100 V 2 150 V 2 250 V 2 250 V 2 300 V 2 500 V 2 1 5 V 5 0 V 15 0 V 50 0 V 150 0 ...

Page 24: ...n type Housing IP 40 terminals IP 20 per EN 60529 VDE 0470 part 1 Extract from table on the significance of IP codes IP XY 1st digit X Protection against the penetration of solid foreign matter IP XY 2nd digit Y Protection against the penetration of water 0 no protection 0 no protection 1 50 0 mm 1 vertical dripping 2 12 5 mm 2 dripping 15 gradient 3 2 5 mm 3 spray water 4 1 0 mm 4 splashwater 5 p...

Page 25: ... For replacement Open and close the housing as described in chapter 4 2 under the heading Inserting the battery Attention Disconnect the instrument completely from the measuring cir cuit before opening the bottom part of the housing to replace the fuse Upon tripping of the fuse eliminate the cause of over load before putting the instrument back to serviceable condition Make absolutely sure that on...

Page 26: ...es preferrably in the Ω x 1 range when removed from the instrument If the fuse is defective is indicated The melting fuse blows if one of the current measuring ranges or the 0 15 V range is unduly over loaded Melting Fuse F2 for the A Range The fuse can be checked for continuity in the Ω x 1 range when removed from the instrument If the fuse is defective is indi cated Location of melting fuses aft...

Page 27: ... devices may not be disposed of with the trash Please contact our service department regarding the return of old devices If you use batteries or rechargeable batteries in your instru ment or accessories which no longer function properly they must be duly disposed of in compliance with the applicable national regulations Batteries or rechargeable batteries may contain harmful substances or heavy me...

Page 28: ...28 GMC I Messtechnik GmbH 7 Standard Equipment Analog multimeter without battery without cable set ...

Page 29: ...libration in an accredited calibration laboratory DIN EN ISO IEC 17025 the deviations of your instrument in relation to traceable standards are measured and documented The deviations determined in the process are used for correction of the readings during subsequent application We are pleased to perform DKD or factory calibrations for you in our calibration laboratory Please visit our website at w...

Page 30: ... need service please contact GMC I Service GmbH Service Center Thomas Mann Strasse 20 90471 Nürnberg Germany Phone 49 911 817718 0 Fax 49 911 817718 253 E Mail service gossenmetrawatt com www gmci service com This address is only valid in Germany Please contact our representatives or subsidiaries for service in other countries ...

Page 31: ...GMC I Messtechnik GmbH 31 10 Product Support When you need support please contact GMC I Messtechnik GmbH Hotline Produktsupport Phone 49 911 8602 0 Fax 49 911 8602 709 E Mail support gossenmetrawatt com ...

Page 32: ... to change without notice A pdf version is available on the Internet GMC I Messtechnik GmbH Südwestpark 15 90449 Nürnberg Germany Phone 49 911 8602 111 Fax 49 911 8602 777 E Mail info gossenmetrawatt com www gossenmetrawatt com ...

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