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Summary of Contents for Gossen MetraWatt M192A
- Page 1 Operating Instructions METRALINE DM 41 3-447-024-03 Digital Multimeter 2/3.21...
- Page 2 Gossen Metrawatt GmbH...
- Page 3 5 Continuity test display: buzzer indication 6 Diode measurement display 7 Low battery display 8 Display for unit of measured quantity Standard Equipment 1 Multimeter 1 Protective rubber cover 1 Cable set 2 Batteries, 1.5 V, type AA, installed 1 Operating instructions Gossen Metrawatt GmbH...
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Page 4: Table Of Contents
Diode Testing and Continuity Measurement ......17 10.1 Diode Testing ..................17 10.2 Continuity Testing ...................18 Resistance Measurement ............19 Capacitance Measurement ..............20 Frequency and Duty Cycle Measurement ........22 13.1 Frequency Measurement .................22 13.2 Duty Cycle Measurement ................22 Temperature Measurement .............23 Gossen Metrawatt GmbH... - Page 5 16.2 Fuses .....................32 16.3 Housing ....................33 16.4 Returns and Environmentally Sound Disposal ..........34 Product Support ............... 35 Repair and Replacement Parts Service Calibration Center* and Rental Instrument Service ....35 Manufacturer‘s Warranty ............36 Registration ................36 Gossen Metrawatt GmbH...
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Page 6: Safety Features And Safety Precautions
• This multimeter must not be used for measurements on circuits with corona discharge (high voltage). • Be particularly careful when measurements are performed in HF electrical circuits. Dangerous composite voltages may be present. Gossen Metrawatt GmbH... - Page 7 Warning concerning a source of danger (Attention, refer to the operating instructions) Earth (ground) terminal. Double or reinforced insulation CAT II / III / IV Instrument for measuring category II / III or IV EU conformity mark Gossen Metrawatt GmbH...
- Page 8 Safe operation may not be possible • if the multimeter shows obvious signs of damage, • if the multimeter no longer functions correctly, • after prolonged storage under adverse conditions, • on account of severe stress during transport. Gossen Metrawatt GmbH...
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Page 9: Initial Start-Up
Your multimeter switches OFF automatically after 15 minutes if no keys or the function selector switch have been activated during this time. Switching the multimeter back ON Activate the HOLD key. Switching the multimeter OFF Turn the function selector switch to the OFF position. Gossen Metrawatt GmbH... -
Page 10: Function And Range Selection
Manual mode is switched OFF if you press and hold the AUTO/ MAN key until you hear a second acoustic signal, and the dis- play switches to AUTO. When switching back to automatic operation in the 400 mV range, the 4 V range is activated. Gossen Metrawatt GmbH... -
Page 11: Liquid Crystal Display (Lcd)
The digital display is updated three times per second for V, A, , Cap., Freq. and duty cycle measurements. 4.2 Display with Backlight (Optional) By pressing the key, the backlight can be switched ON or OFF to enable the user to take measurements in poor lighting conditions. Gossen Metrawatt GmbH... -
Page 12: Buzzer
AUTO/MAN key is activated. Measurement REL – Relative Value The REL key serves to measure relative values and acts in acti- vation. All functions can be used for relative value measure- ment except Hz / duty. Gossen Metrawatt GmbH... -
Page 13: Voltage Measurement
The symbols DC and AC indicate the selected voltage type on the LCD display. After selection of this function with the selector switch, the voltage type DC is always activated. Gossen Metrawatt GmbH... -
Page 14: Current Measurement
Current ranges up to 400 mA are protected with a FF1.6 A / 1000 V fuse. • In the 400 mA measuring range an intermittent acoustic signal warns you if the measured value has exceeded the measuring range upper limit value. Gossen Metrawatt GmbH... -
Page 15: Ac Current Measurement With (Clip-On) Current Transformer
Connect the transformer to the and mA or A sockets. Some current transformers include safety devices which pre- vent dangerous voltage increases at open electrical circuits. Gossen Metrawatt GmbH... -
Page 16: Transformer Output Mv/A
„ “ and „V“. Primary conductor When reading the measured values in V, consider the transfor- mation ratio of the transformer and the fact that the display shows current values as well as the additional display error. Gossen Metrawatt GmbH... -
Page 17: Diode Testing And Continuity Measurement
1.000 V you can test several elements con- nected in series. Reverse Direction or Interruption The measuring instrument displays a voltage of „OL“. Note! Resistors and semiconductor paths in parallel to the diode distort the measurement results! Conducting Direction Reverse Direction Gossen Metrawatt GmbH... -
Page 18: Continuity Testing
➭ Press the yellow multifunction key to switch to the continu- ity measuring range. Display of the symbol is activated. The instrument generates a continuous acoustic signal at a measured resistance of 0 to approx. < 75 ➭ Connect the device under test as shown below. Gossen Metrawatt GmbH... -
Page 19: Resistance Measurement
This value is then automatically deducted from all measured values. Deleting Zero Adjustment ➭ Short-circuit the leads connected with the multimeter and press the REL key afterwards or activate the function selector switch or switch the multimeter off. Gossen Metrawatt GmbH... -
Page 20: Capacitance Measurement
„ “ socket at the „–“ pole. Note! Resistors and semiconductor paths in parallel to the capacitor falsify the measurement results! To measure small value capacitors, please use short measurement cables! If the symbol is displayed, the measured values are not valid. Gossen Metrawatt GmbH... - Page 21 This value is then automatically deducted from all measured values. Deleting Zero adjustment ➭ Press REL key. Clearance is acknowledged by buzzer sound ➭ activate the function selector switch ➭ switch the multimeter off. Gossen Metrawatt GmbH...
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Page 22: Frequency And Duty Cycle Measurement
1 Set the function selector switch to V~ (letter white) and press the Hz/% key twice as shown on page 23. The duty cycle (%) mode is activated. The „%“ symbol is displayed on the LCD. Note! The Hz/% key is only applicable for V~ (letter white). Gossen Metrawatt GmbH... -
Page 23: Temperature Measurement
14 Temperature Measurement The multimeter allows you to measure temperature with a K-type thermocouple (NiCr-Ni) in the range of –50 °C to +1300 °C. ➭ Set the function selector switch to „°C“. ➭ Connect the sensor as shown below. Gossen Metrawatt GmbH... -
Page 24: Technical Characteristics
1 k 1 + 5 approx. 0.45 V DC/AC 40.00 M 10 k 2 + 5 400.0 100 m Acoustic signal for 0...< 75 (approx) 1.000 V 1 mV approx. 1 V 2 + 10 Gossen Metrawatt GmbH... - Page 25 –50 ... 0 C 1 C 2,0 10 Limited by a 10 A fuse Indication for frequency measurement expanded to 9999 digits At 0 C... + 40 C With zero adjustment „REL“. Time required for measurement approximately 60 seconds. Gossen Metrawatt GmbH...
- Page 26 Number of Places 3¾ place equals 3999 steps Overflow Display „OL“ Polarity Display „–“ sign is displayed when plus pole is at „ “ 3 measurements/s for V, A, , Measuring Rate Capacitance, Frequency and Duty cycle measurement Gossen Metrawatt GmbH...
- Page 27 1000 V AC 50/60 Hz sine V DC > 43 dB Interference max. 1000 V DC V AC > 55 dB Voltage Auxiliary voltage influence: display ) – all ranges except cap.: 8 D (without cap. range: 20 D Gossen Metrawatt GmbH...
- Page 28 Emission EN 61326: 2013 Class B Immunity IEC 61000-4-2: 8 kV atmospheric discharge 4 kV contact discharge IEC 61000-4-3: 3 V/m Short-term measured value deviation may occur during electromagnetic interfer- ence thus reducing the specified operating quality. Gossen Metrawatt GmbH...
- Page 29 IP50 for terminals: IP20 Dimensions W x H x D: with holster: 86 mm x 188 mm x 53 mm without holster: 79 mm x 174 mm x 38 mm Weight approx. 480 g with battery Gossen Metrawatt GmbH...
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Page 30: Maintenance
➭ Remove the batteries from the battery compartment. Insert two new 1.5 V mignon cells in accordance with the polarity symbols in the battery compartment. Gossen Metrawatt GmbH... - Page 31 ➭ Tighten the battery compartment cover with the screw. ➭ Dispose of the dead batteries in an environmentally sound fashion. Gossen Metrawatt GmbH...
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Page 32: Fuses
If a fuse with different specifications is used, it may put the operator, the system and the multimeter at risk. The use of repaired fuses or the short-circuiting of the fuse holder is not permissible. Gossen Metrawatt GmbH... -
Page 33: Housing
No special maintenance is required for the housing. Excessive contamination has an adverse effect on isolation and reduces input resistance. Keep outside surfaces clean. Use a slightly dampened cloth for cleaning. Avoid the use of cleansers, abrasives or solvents. Gossen Metrawatt GmbH... -
Page 34: Returns And Environmentally Sound Disposal
(Hg). The symbol shown at the right indicates that batteries or rechargeable batteries may not be disposed of with the trash, but must be delivered to collection points Pb Cd Hg specially provided for this purpose. Gossen Metrawatt GmbH... -
Page 35: Product Support
17 Product Support If required please contact: Gossen Metrawatt GmbH Product Support Hotline Phone: +49 911 8602-0 Fax: +49 911 8602-709 E-mail support@gossenmetrawatt.com 18 Repair and Replacement Parts Service Calibration Center* and Rental Instrument Service If required please contact: GMC-I Service GmbH Service Center Beuthener Str. -
Page 36: Manufacturer's Warranty
• Update information • Application notes © Gossen Metrawatt GmbH Edited in Germany Subject to change without notice / Errors excepted A PDF version is available on the Internet All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.
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