AT827

Handheld LCR Digital Bridge

CategoryHandheld LCR Digital Bridge SeriesAT828 Series

The AT827 Digital Bridge is a handheld precision testing instrument with fully automatic real-time measurement, powered by a high-performance microprocessor. It features a true-color TFT-LCD display with keyboard and touchscreen operation, delivering high-precision measurement and ease of use for a completely new testing experience.

The instrument provides test frequencies up to 10kHz with signal levels of 0.3/0.7/1.0Vrms. It automatically measures inductance (L), capacitance (C), resistance (R), impedance (Z), quality factor (Q), dissipation factor (D), and phase, with simultaneous DCR measurement capability.

With 50,000-count display for primary and secondary parameters and 0.2% accuracy, this instrument meets the precision testing requirements of component manufacturers, universities, research institutions, and metrology/quality inspection departments, while also satisfying mass production demands.

The instrument provides tolerance mode sorting with 1 set of primary parameter percentage sorting.

All models come standard with USB-HID and USB-VCOM interfaces. The computer remote control commands are SCPI compatible (Standard Command for Programmable Instruments), allowing users to develop their own software for efficient remote control and data acquisition.

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Parameter	AT827
Basic Test Parameters
Measurement Parameters	C-D, C-Q, C-R, L-D, L-Q, L-R, L-Rdc, R-Q, R-X, R-Rdc, Rdc, Z-D, Z-Q, Z-θr, Z-θd
Basic Accuracy	0.2%
Test Frequency	50Hz, 100Hz, 120Hz, 1kHz, 2kHz, 10kHz
Test Range	Auto and Manual
Test Speed	Slow: 2.5/sec, Fast: 10/sec
Output Impedance	100Ω
Signal Level	0.3V, 0.7V, and 1.0Vrms, Accuracy: 10%
Monitor Parameters	-
Readings	Primary: 50,000; Secondary: 50,000
Display Range	L	0.01μH to 9999H
C	0.01pF to 9999μF
R, X, Z	0.0001Ω to 99.99MΩ
D	0.0001 to 9.999
Q	0.0001 to 999.9
Δ%	-
θ(deg)	-
θ(rad)	-
DCR	-
Equivalence & Bias
Equivalent Mode	Series, Parallel
DC Bias	-
Measurement Functions
Average Count	-
Trigger Mode	Internal
Trigger Delay	-
Comparator	-
List Sweep	-
Comparison Mode	SEQ/ABS/PER
Calibration	Open-circuit and Short-circuit Calibration
File	USB Storage
Data Logging	-
Beeper Function	-
Other Functions	Touchscreen, Chinese/English menu, 4-level backlight adjustment, Auto power off
General Parameters
Dimensions	Instrument Dimensions	90(W) × 195(H) × 35.5(D) mm
Package Dimensions	-
Weight	Net Weight	400 g
Gross Weight	-
Power Requirements	Power Adapter/Charger: Input 85-240V AC, 50/60Hz 0.35A; Output 9V 1A DC
Interface	USB-HID Communication, USB Type-C
Communication Protocol	SCPI
Other	Touchscreen, Chinese/English menu, 4-level backlight adjustment, Auto power off

Parameter

AT827

Basic Test Parameters

Measurement Parameters

C-D, C-Q, C-R, L-D, L-Q, L-R, L-Rdc, R-Q, R-X, R-Rdc, Rdc, Z-D, Z-Q, Z-θr, Z-θd

Basic Accuracy

0.2%

Test Frequency

50Hz, 100Hz, 120Hz, 1kHz, 2kHz, 10kHz

Test Range

Auto and Manual

Test Speed

Slow: 2.5/sec, Fast: 10/sec

Output Impedance

100Ω

Signal Level

0.3V, 0.7V, and 1.0Vrms, Accuracy: 10%

Monitor Parameters

Readings

Primary: 50,000; Secondary: 50,000

Display Range

0.01μH to 9999H

0.01pF to 9999μF

R, X, Z

0.0001Ω to 99.99MΩ

0.0001 to 9.999

0.0001 to 999.9

Δ%

θ(deg)

θ(rad)

DCR

Equivalence & Bias

Equivalent Mode

Series, Parallel

DC Bias

Measurement Functions

Average Count

Trigger Mode

Internal

Trigger Delay

Comparator

List Sweep

Comparison Mode

SEQ/ABS/PER

Calibration

Open-circuit and Short-circuit Calibration

File

USB Storage

Data Logging

Beeper Function

Other Functions

Touchscreen, Chinese/English menu, 4-level backlight adjustment, Auto power off

General Parameters

Dimensions

Instrument Dimensions

90(W) × 195(H) × 35.5(D) mm

Package Dimensions

Weight

Net Weight

400 g

Gross Weight

Power Requirements

Power Adapter/Charger: Input 85-240V AC, 50/60Hz 0.35A; Output 9V 1A DC

Interface

USB-HID Communication, USB Type-C

Communication Protocol

SCPI

Other

Touchscreen, Chinese/English menu, 4-level backlight adjustment, Auto power off

Handheld LCR Digital Bridge

Handheld LCR Digital Bridge

Specifications

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