Ziegler RA10, Manual

Page 1: ...User s Manual www ziegler instruments com 1 29 Ziegler Instruments Order No User Manual E1 R0 921022 2 2014 EN RA 10 RA10 Digital Multimeters Analogue Meters With Moving Iron Movement ...

Page 2: ...1000 V fused OFF W F Hz V 0 C F 0 C OFF W A mA FUNC AUTO MAN REL HOLD ON 0 C V V A mA RA 10 www ziegler instruments com 2 29 ...

Page 3: ...lection 6 Pushbutton for Automatic or Manual range selection 7 Multifunction Pushbutton yellow key Display 1 Digital Display with Indication of Decimal Point and Polarity 2 Low Battery Display 3 REL HOLD Display 4 Continuity Test Display Buzzer Indication 5 Diode Measurement Display 6 Display for Unit of Measured Quantity 7 Display for Automatic Measuring Range Selection 8 Display of Selected Curr...

Page 4: ...ment 9 Current Measurement 9 1 AC Measurement with Clip on C T 10 Diode Testing Continuity Measurement 10 1 Diode Testing 10 2 Continuity Testing 11 Resistance Measurement 12 Capacitance Measurement 13 Frequency Duty cycle Measurement 13 1 Frequency Measurement 13 2 Duty Cycle Measurement 14 Temperature Measurement 15 Specifications 16 Maintenance 16 1 Battery 16 2 Fuses 16 3 Housing 17 Repair and...

Page 5: ...tions The meter must only be operated by persons who under stand the danger of shock hazards and know how to apply safety precautions Shock hazards exist anywhere where voltages of more than 30 V TRMS may occur Do not work alone in shock hazardous environment while carrying out measurement The maximum allowable voltage between any terminal sockets 1 and earth is equal to 1000 V Voltages of greater...

Page 6: ... conditions are not permitted Do not exceed the permissible overload limits of the measuring ranges Limit values can be found in the table Measuring Ranges in chapter 15 Specifications All current ranges are equipped with fuses The maximum allowable voltage for the measuring current circuit nominal voltage of the fuse is equal to 600 V The instrument may only be used in power installations when the...

Page 7: ...ce and secure it against accidential use It is assumed that Safe operation is no longer possible when the meter shows oblivious sign of damage when the meter no longer functions correctly after a prolonged storage under adverse conditions due to severe stress due to transportation 2 Initial Start Up Battery Fit the meter with battery batteries provided along with the meter please see chapter 16 1 ...

Page 8: ...lue or yellow printing In order to select the function printed in yellow half circle the yellow multifunction key must also be pressed If the multifunction key is pressed again the function printed in blue half circle is reactivated Note Electrical discharge and high frequency interference can cause incorrect displays and may block the measuring sequence To reset switch the meter off and then back ...

Page 9: ...Measuring Range Selection You can switch OFF autoranging select and fix the ranges manually according to the table given on page no 10 First select the desired measuring function with the function selector switch and if appropriate the multifunction key Briefly activate the AUTO MAN key Manual mode is switched OFF if you press and hold the AUTO MAN key until you hear a second acoustic signal and the...

Page 10: ...value decimal point and sign The selected measuring unit and function are displayed When measuring DC quantities minus sign appears in front of the digits if the positive pole of the measurement magnitude is applied to the input OL appears if the measuring range upper limit is exceeded The digital display is updated thrice per second for V A W Capacitance Frequency Duty cycle measurements www zieg...

Page 11: ...he user 6 Measurement Value Storage HOLD By pressing the HOLD ON key the currently displayed mea surement value can be held and HOLD is simultaneously displayed on the LCD The Hold display is switched OFF if the Hold key is reactivated the function selector switch is operated the yellow multi function key is activated for a change of function e g AC DC REK key is activated AUTO MAN key is activate...

Page 12: ... should be grounded and the second measuring cable with a higher potential connected to Terminal V The measuring range 400 mV can only be selected manually with the AUTO MAN key Select the respective voltage type which corresponds to the measuring value by briefly pressing the yellow multifunction key Each activation of the key causes alternate switching between AC and DC as well as acknowledgment ...

Page 13: ... Current type DC is always activated c Connect the measuring instrument in series to the load as shown without contact resistance Notes on Current Measurement The meter must be used only in power systems when the current circuit is protected with a 20 A fuse or circuit breaker and the nominal voltage of the system does not exceed 600 V Make the measuring circuit connections mechanically strong and...

Page 14: ...use replacement is described in chapter 16 2 page 28 If current transformers are operated with an open circuit on the secondary side e g due to defective or disconnected leads a blown fuse in the meter or a wrong connection dangerously high voltages can occur at the connections For this reason verify that the current circuit of the multimeter and sec ondary winding of transformer connected to the ...

Page 15: ... former When reading the measurement value consider the transformation ration of the transformer as well as additional display error 9 1 2 Transformer Output mV A Some transformers have a voltage output designation mV A Consequently the secondary connection must be connected to and V Set the function selector switch to Connect the device under test as shown Verify that the device under test is ele...

Page 16: ...ng instrument displays a voltage of OL Resistors and semiconductor paths in parallel to the diode distort the measurement results Verify that the device under test is electrically dead External voltages would falsify the measurement results Set the selector switch to Press the yellow multifunction key to switch to the continuity measuring range Display of the symbol is activated The instrument gen...

Page 17: ...nder Test as shown Zero Adjustment Relative mode In the measurement of resistance the inherent error of the meter and the resistance of leads can be eliminated by zero adjustment Short the leads connected to meter Press REL key The instrument acknowledges zero adjustment with a sound signal value close to 00 REL are displayed on LCD 11 Resistance Measurement 0 C 0 C www ziegler instruments com 17 ...

Page 18: ...nce value This value is then automatically subtracted from all measured value Deleting Zero Adjustment Short the leads connected to meter and then press REL key or Activate the function selector switch or Switch the Multimeter off 0 C Resistors and semiconductor paths in parallel to the capacitor falsify the measurement results To measure small value capacitors please use short measurement cables ...

Page 19: ...ress the REL key The instrument acknowledges zero adjustment with an sound signal and a value close to 00 00 and REL are dis played at the LCD The capacitance measured at the moment the key is activated serves as a reference value This value is then automatically subtracted from all mea sured values Deleting Zero adjustment Press REL key clearance is acknowledged by buzzer sound or Activate the fu...

Page 20: ...measurement c The lowest measurable frequencies and the maximum allowable voltages can be found in the chapter 15 Specifications 13 2 Duty Cycle Measurement a With duty cycle measurement we can determine the ratio of pulse duration to cycle time of recurring square wave signals The duty cycle that is the percentage pulse duration of signal is displayed on LCD i e Note The applied frequency must rem...

Page 21: ...uty cycle and maximum allowable voltage can be found in chapter Specification 14 Temperature Measurement RA 10 allows you to measure temperature with K type 0 0 thermocouple NiCr Ni in the range 0C to 1300C 0 Set the function selector switch to C Connect the sensor as shown below www ziegler instruments com 21 29 ...

Page 22: ... F m 200 0 F m 100mW 1W 10W 100W 1kW 10kW 100mW 1mV 1pF 10pF 100pF 1nF 10nF 100nF 10 000Hz 100 00Hz 1 0000kHz 10 000kHz 100 00kHz 500 0kHz 0 001Hz 0 01Hz 0 1Hz 1Hz 10Hz 100Hz 2 0 98 0 0 1 V AC V DC 20MW 11MW 10MW 10MW 10MW 11MW 11MW 10MW 10MW 10MW Approx Voltage drop at max meas current 450mV 4 2V 750mV 450mV 4 2V 750mV Open circuit voltage approx 0 45V approx 1V 10Hz 10Hz 10Hz 10Hz 10Hz 10Hz fmin...

Page 23: ...n 500V DC AC rms Continuous 10 min 10 min 1kHz 1000V 10kHz 400V 500kHz 40V except 400mV 500V DC AC rms Measuring Function 400 0mV 4 000V 40 00V 400 0V 1000V 400 0mV 4 000V 40 00V 400 0V 1000V Digital display inherent deviation at reference conditions of rdg digits 0 75 2 0 5 2 1 5 5 1 5 1 10 1 Overload capacity Overload value Overload duration 1050V DC 1050V AC rms Continuous Continuous Meas Funct...

Page 24: ...assification 2z 10 50 70 75 without batteries in compliance with VDI VDE 3540 Relative Humidity 45 75 Elevation to 2000 m Display LCD display field 50 mm x 30 mm with digital display and display of unit measure current type and various special functions Digital Display Char Height 7 segment digits 10 mm Number of Places 3 3 4 place 3999 steps Overflow Display OL Polarity Display sign is displayed whe...

Page 25: ...www ziegler instruments com 25 29 ...

Page 26: ...ry voltage falls below approx 2 4 V Fuse Fuse for ranges FF 1 6 A 600 V up to 400 mA 6 3 mm x 32 mm protects all current measuring ranges up to 400 mA Fuse for FF 16 A 600 V 10 A Range 6 3 mm x 32 mm protects all current measuring ranges up to 10 A Electrical Safety Test Voltage 3 7 kV Mechanical Design Protection For meter IP 50 For Terminals IP 20 Dimensions W x H x D 92 mm x 154 mm x 25 mm Weig...

Page 27: ...e LCD display you should change the battery as soon as possible You can continue to take measurements but reduced measuring accuracy may result Replacing the Battery ies The housing base must be removed from the instrument in order to replace the battery ies Press the tab located beneath connector jacks with a test probe a banana plug or a similar object in the direction indicated by the arrow as ...

Page 28: ...asuring range and the 1 6 A fuse the mA current measuring ranges All other measuring ranges continue to function If a fuse blows eliminate the cause of the overload before placing the instrument back into operation Replacement of Fuses Open the instrument as described under battery replacement Remove the defective fuse with the help of for example a test probe and replace it with a new fuse Make c...

Page 29: ...her than those indicated above of if overflow OL is displayed the corresponding fuse must be replaced 16 3 Housing No special maintenance is required for the housing Exces sive contamination has an adverse effect on isolation and reduces input resistance The surface must be kept clean for this reason Use a slightly dampened cloth for cleaning Avoid the use of cleansers abrasives or solvents www zieg...