YC-98S1 Portable Three Phase Standard Meter

Hot

YC-98S1

Class 0.05

YC-98S1 is a portable high-precision three-phase standard meter, dedicated for on-site and laboratory calibration of single/three-phase energy meters, CT/PT ratio and burden testing with comprehensive harmonic and wiring diagnosis functions.

High-Precision Three-Phase On-site Meter Verification

Comprehensive Electrical & Harmonic Analysis

Compact Handheld Design with Flexible Power Supply

Application Conditions and Requirements

Operation Temperature	-25℃-45℃
Relative Humidity	40%-95%
Altitude	0.025A~12A
IP Class	51
Conformity	IEC

Test Voltage

Range	30~480V
Error	±0.05%
Harmonics	2nd ~ 51st

Test Current

Range (Direct mode)	0.025~12A
Error (Direct mode)	±0.05%
Range (100A Clamp-on CT)	0.5~120A
Error (100A Clamp-on CT)	±0.2%
Harmonics	2nd ~ 51st

Power/Energy Measurement Error

Active (Direct mode)	±0.05%
Active (100A Clamp-on CT)	±0.2%
Reactive (Direct mode)	±0.1%
Reactive (100A Clamp-on CT)	±0.5%

Other Errors

Ratio Measurement	±0.5%
Voltage Influence	<±0.01%
Frequency Influence	<±0.01%
Temperature Influence	<±0.01%/℃
24h Accuracy Influence	<±0.01%
Harmonic Influence	<±0.01%

Phase Angle

Range	-180°~ 180°
Error	<±0.1°

Frequency

Range	45 ~ 65Hz
Error	±0.01Hz

Pulse Output

Hight Frequency (Direct mode)	1.8x109 P/kWh
Low Frequency (Direct mode)	360000P/kWh(kvarh, kVAh)
Pulse ratio	1:1
Output level	5V

Pulse Input

Input Channel	2
Input Level	5 ~ 10V
Input Frequency	Max. 10kHz

Others

Power Supply	External power, test voltage or charger
Display	7’’TFT Touch Screen
Dimension (mm)	245×150×50
Weight (KG)	2.0

Adopts 32-bit CPU and high-speed DSP with Windows CE embedded system
Equipped with 7-inch 16:9 TFT high-definition color touch screen
Supports single-phase, 3P3W and 3P4W energy meter calibration
0.05 high accuracy for direct voltage and current measurement
Direct current range: 0.025A~12A; clamp range up to 1000A/2000A
Voltage measurement range: 0~500V with high precision
Supports 2nd to 51st order harmonic analysis and display
Displays full wave, fundamental and harmonic electrical parameters
Built-in vector diagram and real waveform display function
Identifies 96 types of 4-wire and 48 types of 3-wire wrong wiring
Supports CT ratio test and CT/PT secondary burden measurement
Provides dial test by time and energy mode
Allows simultaneous testing of two different energy meters
Built-in 5000 groups large capacity data storage
Supports U-disk data export and system upgrade
Comes with USB and RS232 communication interfaces
Optional Bluetooth, WiFi and mobile printer support
Dual power supply: test circuit power and optional lithium battery
Built-in overvoltage, overcurrent and open circuit protection
Lightweight portable design for lab and field use