What is the difference between digital multimter model GD138A and GD138B
1. Model number: GD138A/GD138B
2. LCD Display: HD Backligh LCD display
3. DC Voltage: GD138A: 4V/40V/400V/600V±(0.5%+3);
GD138B: 400mV/4V/40V/400V/600V±(0.5%+3)
4. AC Voltage: GD138A: 4V/40V/400V/600V±(0.8%+3);
GD138B: 4V/40V/400V/600V±(0.8%+3)
5. Resistance: GD138A: 4000Ω/40KΩ/400KΩ/4MΩ ±(1.0%+5);40MΩ ±(1.5%+10);
GD138B: 400Ω/4KΩ/40KΩ/400KΩ/4MΩ ±(1.0%+5);40MΩ ±(1.5%+10)
6. Frequency: GD138A: 4Hz/40Hz/400Hz/4KHz/40KHz/200KHz ±(1.0%+3) GD138B:4Hz/40Hz/400Hz/4KHz/40KHz/400KHz/4MHz ±(1.0%+3)
7. Capacitance: 4nF/40nF/400nF/4uF/40uF/400uF/4mF ±(1.0%+3)
(Only for GD138B)
