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EUCOL U822A Handheld LCR meter
EUCOL U822A Handheld LCR meter
U822A Handheld LCR meter is the powerful maintenance tool used in laboratories, production lines and teaching for the measurement and screening of inductance, capacitance and resistance.
Features
- Basic accuracy: 0.1%
- Skid-resistant and anti-knock soft sheath
- Test frequency: 100Hz, 120Hz, 1kHz, 10kHz
- Test level: 0.6Vrms
- Test speed: 10meas/sec (Fast), 5meas/sec (Med), 2meas/sec (Slow)
- Standard bright white backlight make clear and intuitive display
- 40000 counts for primary parameter, resolution of D/Q: 0.0001
- Ultra-low power consumption; the power supply can be used for 24 hours of continuous work; standard rechargeable battery
- Automatic identification (Ai) function can automatically determine and display the component types and measurements
- Constant 100 Ohm output impedance
- 4-level tolerance compare mode:1%/ 5%/ 10%/ 20%
- Automatic identification of open / short calibration function
- Recording function of data-hold and Max. /Min./ Average value
- Practical function configuration options and work state hold capacity
- Standard Mini-USB communication interface and SCPI command set
Specifications
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Function
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Test Parameter
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Primary parameters: L / C / R / Z Secondary parameters: D / Q / θ / ESR
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Equivalent Circuit
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Serial, Parallel
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Parameter and Equivalent Mode
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Hold/ Auto
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Range Mode
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Auto
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Measurement Terminals
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3-terminal, 5-terminal
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Measuring Speed
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10meas/sec (Fast), 5meas/sec (Med), 2meas/sec (Slow)
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Calibration Function
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Open, short
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Comparator Function
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1%, 5%, 10%, 20%
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Input fuse
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0.1A / 250V
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Communication interface
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Mini-USB (virtual serial port)
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Test signal
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Test Frequency
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U822
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100Hz, 120Hz, 1kHz (120Hz, actual frequency is 120.048Hz, following is the same)
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U822A
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100Hz, 120Hz, 1kHz, 10kHz
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U822C
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100Hz, 120Hz, 1kHz, 10kHz, 100kHz
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Test Level
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0.6Vrms
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Output impedance
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100Ω
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Display
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Display
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LCD dual display of Primary-Secondary parameters
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Backlight
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Battery-powered: when the backlight is on, the brightness is reduced by one half after 15 seconds and the light is automatically off after 30 seconds. Power adapter: the backlight is normally on, manual shutoff is needed.
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Reading
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Max. reading of primary parameters: 40,000 counts; secondary parameters: D/ Q/ θ Minimum resolution: 0.0001
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Hightest test accuracy
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0.1%
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Display Range
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L
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0.001µH ... 1000.0 H
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C
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0.001pF ... 20.000mF
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R/Z
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0.0001Ω ... 10.000MΩ
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Equivalent Series Resistance (ESR)
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0.0000Ω ... 999.9Ω
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Loss factor D
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0.0000 ... 9.999
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Quality factor Q
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0.0000 ... 9999
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Phase angle θ
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-179.9° ... 179.9°
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Power Requirements
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Battery model
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7.2V Ni-MH 600mAH rechargeable battery
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AC power adapter
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Input: 220V (1±10%), 50Hz (1±5%); Output: 12V DC
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Working current
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Maximum: 28 mA,Typical working condition of 1kHz frequency: 25mA (100Ω load)
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Standby Current
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Max.: 2μA
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Battery life
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24 hours (typical), nickel - hydrogen battery, with backlight off
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Charging time and current
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Single continuous charging time: 200min (maximum). Charging current: 42mA
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Auto power off (Effective battery)
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5min, 15min, 30min, 60min, OFF available; Factory Default: 5min
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Battery capacity indicator
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Real-time battery capacity indication
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General specification
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Working Environment
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Temperature
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0°C ... 40°C
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Relative humidity
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≤ 90% R.H.
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Weight
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460g
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Dimension (H × W × D)
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192mm × 93mm × 44mm
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Safety and electromagnetic compatibility
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IEC 61010-1:2001; IEC 61326-2-1:2005
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