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
|
Function
|
|
Test Parameter
|
Primary parameters: L / C / R / Z Secondary parameters: D / Q / θ / ESR
|
|
Equivalent Circuit
|
Serial, Parallel
|
|
Parameter and Equivalent Mode
|
Hold/ Auto
|
|
Range Mode
|
Auto
|
|
Measurement Terminals
|
3-terminal, 5-terminal
|
|
Measuring Speed
|
10meas/sec (Fast), 5meas/sec (Med), 2meas/sec (Slow)
|
|
Calibration Function
|
Open, short
|
|
Comparator Function
|
1%, 5%, 10%, 20%
|
|
Input fuse
|
0.1A / 250V
|
|
Communication interface
|
Mini-USB (virtual serial port)
|
|
Test signal
|
|
Test Frequency
|
U822
|
100Hz, 120Hz, 1kHz (120Hz, actual frequency is 120.048Hz, following is the same)
|
|
U822A
|
100Hz, 120Hz, 1kHz, 10kHz
|
|
U822C
|
100Hz, 120Hz, 1kHz, 10kHz, 100kHz
|
|
Test Level
|
0.6Vrms
|
|
Output impedance
|
100Ω
|
|
Display
|
|
Display
|
LCD dual display of Primary-Secondary parameters
|
|
Backlight
|
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.
|
|
Reading
|
Max. reading of primary parameters: 40,000 counts; secondary parameters: D/ Q/ θ Minimum resolution: 0.0001
|
|
Hightest test accuracy
|
0.1%
|
|
Display Range
|
L
|
0.001µH ... 1000.0 H
|
|
C
|
0.001pF ... 20.000mF
|
|
R/Z
|
0.0001Ω ... 10.000MΩ
|
|
Equivalent Series Resistance (ESR)
|
0.0000Ω ... 999.9Ω
|
|
Loss factor D
|
0.0000 ... 9.999
|
|
Quality factor Q
|
0.0000 ... 9999
|
|
Phase angle θ
|
-179.9° ... 179.9°
|
|
Power Requirements
|
|
Battery model
|
7.2V Ni-MH 600mAH rechargeable battery
|
|
AC power adapter
|
Input: 220V (1±10%), 50Hz (1±5%); Output: 12V DC
|
|
Working current
|
Maximum: 28 mA,Typical working condition of 1kHz frequency: 25mA (100Ω load)
|
|
Standby Current
|
Max.: 2μA
|
|
Battery life
|
24 hours (typical), nickel - hydrogen battery, with backlight off
|
|
Charging time and current
|
Single continuous charging time: 200min (maximum). Charging current: 42mA
|
|
Auto power off (Effective battery)
|
5min, 15min, 30min, 60min, OFF available; Factory Default: 5min
|
|
Battery capacity indicator
|
Real-time battery capacity indication
|
|
General specification
|
|
Working Environment
|
Temperature
|
0°C ... 40°C
|
|
Relative humidity
|
≤ 90% R.H.
|
|
Weight
|
460g
|
|
Dimension (H × W × D)
|
192mm × 93mm × 44mm
|
|
Safety and electromagnetic compatibility
|
IEC 61010-1:2001; IEC 61326-2-1:2005
|
Back to the section
|
