1  Function Generator
1.1 Features
Wide frequency range,multi-waveform,and log/line sweep.
1.2 Specifications
1.2.1 Frequency range
   0.1Hz~10MHz in 8 ranges
2  Counter
2.1 Features
   With CPU and IC-counter,intelligent,wide range,multifunction,highbright 8 digit LEDs display.
   Measurement functions:frequency:A,B,C, Period:A,B, Count:A,B,A+B,A-B,A/B,A→B and intenal frequency.A,B with attenuators and LPF.
2.2 Specifications
2.2.1 Frequency measurement range
     CHA,CHB:10Hz~100MHz
          CHC:100MHz~2400MHz
3. Regulated Power Supply
3.1 Features
   Consists of one adjustable supply (0~30V and 0~3A) and two fixed supplies (One 5V 2Amax and another 15V 1Amax), all with overload protection.
3.2 Specifications
3.2.1 Adjustable supply ()
3.2.1.1 Output voltage:0~30V   continuadjust
3.2.1.2 Output current:0~3A    continuadjust
3.2.1.3 Load effect:CV≤0.1%+50mVrms
                  CC≤0.1%+70mVrms
4 Digital Multimeter
4.1 Features
   Auto range,LCD display with digit and strip figure to show,multiparmeter test and with RS232C interface.
4.2 Specifications
   DC voltage:4V/40V400V/1000V  ±0.8%±3 words
   AC voltage:4V/40V/400V/750V               ±1.5%±3 words  Frequency Range: 40Hz400Hz   
   DC current:4mA/400mA        ±1.2%±3 words
                      10A     ±2%±8 words
   AC current:4mA/400mA        ±1.5%±3 words
                      10A     ±3%±8 words      Frequency Range: 40Hz400Hz
   Resistance:400Ω/4kΩ/40kΩ/400kΩ/4MΩ  ±1.5%±3 words
                                         40MΩ ±3%±5 words
   Capacitance:4nF/400nF   ±4%±5 words
   Temperature:0~750   ±3%±5 words
5. Audio Amplifier
5.1 Features
  With AF power IC LM3886TF,has protection of overtemperature,overvoltage and short-circuit,input and gain adjustable,INT/EXT speaker.
5.2 Specifications
5.2.1 Input:0.05Vrms~0.5Vrms
5.2.2 Frequency:20Hz~20kHz
5.2.3 Input impedance:50kΩ
5.2.4 Magnification:0~20 adjustable
5.2.5 Output power:>1W
5.3 Front Panel