Universalus testeris (81784) (Kodas: 81784)
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81784
DIGITAL UNIVERSAL METER
Brand
Vorel
Symbol
81784
Measurement of alternating voltage
0-600 V a.c. Measurement of direct voltage
0-600 V d.c.
Alternating current
0-10 A
Direct current
0-10 A
Resistance measurement
0-200 MΩ
Capacitance measurement
0-20 µF
Frequency measurement
20 kHz
Transistor hFe measurement
PNP, NPN
Temperature measurement
-40 ~ +400 ˚C
Continuity test
0-30 Ω
Conduction test
yes
Diode test
YES
Material
ABS
Digit height
25 mm
Sound signal
yes
Automatic switch-off
yes
Application
electrical The 81784 multimeter with a manual range for each measurement allows for basic and advanced electrical measurements. Built-in additional measurement sockets facilitate the measurement of capacitors and transistors, among others. Additional protection against mechanical damage is the so-called holster - a rubber casing stretched over the device's housing. Basic measurements: AC voltage measurement: A.C. 0-600 V
DC voltage measurement: D.C. 0-600 V
AC current measurement: A.C. 0-10 A
DC current measurement: D.C. 0-10 A
Resistance measurement: 0-200 MΩ
Diode test: IF 1 mA, UR 2.8 V
Circuit continuity test: 0-30 Ω
Additional measurements: Capacitor capacitance measurement: 0-20 μF
Frequency measurement: 0-20 kHz
Temperature measurement: -40 to 400 °C
hFe transistor test: 0-1000, built-in measurement socket
Measurement accuracy: Example of determining the accuracy for AC voltage measurement. Calculations for measurement result: 235 V measurement accuracy of the 81784 meter for this range is: ±(1.2% + 5), resolution 1 V
measurement error calculation formula: (measurement result x 1.2%) + 5 x resolution
calculations: (235 x 1.2%) + 5 x 1 = 2.82 + 5 = 7.82 V
Result taking into account the measurement error for the 235 V indication = 235 ± 7.82 V* result taking into account the measurement error for the DC voltage measurement indication: 12 V = 12 ± 0.08 V
result taking into account the measurement error for the AC current measurement indication: 8 A = 8 ± 0.26 A*
The table with the resolution and accuracy for a given measurement can be found in the user manual. *The 81784 meter does not have a true rms measurement function, so the above result is the real effective value of the AC voltage only for a correct sinusoidal waveform. Additional information: LCD display, maximum displayed result: 1999
sound signal in the continuity test for resistance below 30 Ω
automatic switching from the diode test to the continuity test at a circuit resistance below 30 Ω (it is not possible to set the meter only to the diode test)
included measuring probes, probe for temperature measurement
construction with overload protection
housing made of ABS + so-called holster, i.e. a rubber housing protecting the meter from mechanical damage
automatic shutdown of the meter
low battery indicator
power supply: 9 V battery (6F22) Attention! When measuring unknown values using a meter with a manual range change using the knob, measurements should be taken sequentially from the largest range to the range that gives the most accurate result - otherwise there is a risk of damaging the device.
DIGITAL UNIVERSAL METER
Brand
Vorel
Symbol
81784
Measurement of alternating voltage
0-600 V a.c. Measurement of direct voltage
0-600 V d.c.
Alternating current
0-10 A
Direct current
0-10 A
Resistance measurement
0-200 MΩ
Capacitance measurement
0-20 µF
Frequency measurement
20 kHz
Transistor hFe measurement
PNP, NPN
Temperature measurement
-40 ~ +400 ˚C
Continuity test
0-30 Ω
Conduction test
yes
Diode test
YES
Material
ABS
Digit height
25 mm
Sound signal
yes
Automatic switch-off
yes
Application
electrical The 81784 multimeter with a manual range for each measurement allows for basic and advanced electrical measurements. Built-in additional measurement sockets facilitate the measurement of capacitors and transistors, among others. Additional protection against mechanical damage is the so-called holster - a rubber casing stretched over the device's housing. Basic measurements: AC voltage measurement: A.C. 0-600 V
DC voltage measurement: D.C. 0-600 V
AC current measurement: A.C. 0-10 A
DC current measurement: D.C. 0-10 A
Resistance measurement: 0-200 MΩ
Diode test: IF 1 mA, UR 2.8 V
Circuit continuity test: 0-30 Ω
Additional measurements: Capacitor capacitance measurement: 0-20 μF
Frequency measurement: 0-20 kHz
Temperature measurement: -40 to 400 °C
hFe transistor test: 0-1000, built-in measurement socket
Measurement accuracy: Example of determining the accuracy for AC voltage measurement. Calculations for measurement result: 235 V measurement accuracy of the 81784 meter for this range is: ±(1.2% + 5), resolution 1 V
measurement error calculation formula: (measurement result x 1.2%) + 5 x resolution
calculations: (235 x 1.2%) + 5 x 1 = 2.82 + 5 = 7.82 V
Result taking into account the measurement error for the 235 V indication = 235 ± 7.82 V* result taking into account the measurement error for the DC voltage measurement indication: 12 V = 12 ± 0.08 V
result taking into account the measurement error for the AC current measurement indication: 8 A = 8 ± 0.26 A*
The table with the resolution and accuracy for a given measurement can be found in the user manual. *The 81784 meter does not have a true rms measurement function, so the above result is the real effective value of the AC voltage only for a correct sinusoidal waveform. Additional information: LCD display, maximum displayed result: 1999
sound signal in the continuity test for resistance below 30 Ω
automatic switching from the diode test to the continuity test at a circuit resistance below 30 Ω (it is not possible to set the meter only to the diode test)
included measuring probes, probe for temperature measurement
construction with overload protection
housing made of ABS + so-called holster, i.e. a rubber housing protecting the meter from mechanical damage
automatic shutdown of the meter
low battery indicator
power supply: 9 V battery (6F22) Attention! When measuring unknown values using a meter with a manual range change using the knob, measurements should be taken sequentially from the largest range to the range that gives the most accurate result - otherwise there is a risk of damaging the device.
