Tenma 72-7675, Quick Start Manual

Page: 8 / 9

72-7675
14
6. BLOCK DIAGRAM
I/P
C
P
U
Keyboard
Display
Voltage
Control
Frequency
Control
Frequency
Sensor
Memory
A/D
Isolated
Transformer
Rect. /
Filter
Power
Amplifier
Sine wave
Synthesizer
Output
Transformer
Current &
Voltage
Feedback
Current &
Voltage
Sensor
O/P
72-7675
15
7. SPECIFICATIONS
Specification Description
Output
Frequency
(45.0~500Hz)
Digital setting via keys, Resolution: 0.1Hz
Accuracy: ±0.1Hz
Output Voltage
(AC0.0~300.0V)
Digital setting via keys, Resolution: 0.1Vrms
Accuracy: ±1%rdg+1digit AC40.1~ 300.0V)
Resolution: 0.1Vrms
Accuracy: ±1%rdg+5digitAC0.0~ 40.0V)
Output Capacity
Low voltage range: 0.0 ~ 150Vac
High voltage range: 0.0 ~ 300Vac
Output Power 500VA(72-7675);
Maximum
Current
72-7675: 4.2A(0~150V), 2.1A(0~300V)
Line Voltage
Regulation
±0.1%
Load Regulation ±(0.5%+0.1V)
Protection
Key Lock, OCP, Short Circuit Protect OTP
Frequency
Stability
≦
100ppm
Wave Distortion
0-150V 22V~125V
≤
0.5%THD.(Resistance Load)
0-300V 44V~280V
≤
0.5%THD.(Resistance Load)
Digital Display:
Frequency
Counter
Measuring Range
：
0.0~999Hz
Resolution
：
0.1Hz
Accuracy
：
±0.1Hz
RMS Voltmeter
Measuring Range
：
AC0.0 ~ 380V
Resolution
：
0.1Vrms
Accuracy
：
±1% Rdg+1Digit
RMS Ammeter
Measuring Range: 0.000~2.000A 1.80~35.00A
Resolution: 1mA(<360w) 0.01A
Accuracy: ±1% rdg
+5 digits
±1% rdg
+2 digits