1[High Accuracy] Signal generator is small and bright, the button character operation interface is easy to use, has a long standby time and high accuracy. 2[DC Voltage Measurement And Output] With 100 MV, 30V DC voltage measurement and output, 20 mA DC current measurement and switching value measurement, output and analog output. 3[Multifunctional] V, MA manual step output, automatic waveform output, and display V, MA and percentage at the same time. Eight proportional divisions (R, S, B, K, E, J, T and N) thermocouple measurement and output function. 4[Cycle Detection Function] Function signal generator can display Celsius and Fahrenheit, with automatic and manual cold junction compensation function, cycle detection function, can provide 24V loop power and measure current at the same time. 5[Widely Application] The signal generator is mainly used to debug the industrial field PLC, process instrumentation, electric valve, etc. Item Type: Signal Generator Product Model: RuoShui 71B Material: Plastic Capacitive Load: 0.01uF Display Refresh: 2-3 times/sec Overload Protection: 50mA / 30V Working Temperature And Humidity: 0-40 and humidity below 85% (no condensation) Storage Temperature And Humidity: -20-60 and humidity lower than 90% (no condensation) Ideal Working Environment: 235 and humidity lower than 75% (no condensation) Temperature Coefficient: 0.1 x basic accuracy/ (temperature 28) Environmental Conditions For Use: Indoor/outdoor use (not waterproof), 0-2000m above sea level Out Of Range Display: OL Battery: 3 x AAA battery (Battery Not Included) Low Battery Warning: Support Automatic Power Off: Support Warm Up Time: 10Min Calibration: External calibration Calibration Period: 1 year Measurement Function Range Measuring Range Resolution Accuracy DC Voltage 100mV -10.0mV~110.0mV 100uV 0.2%+4 30V -5.00V~30.00V 10mV 0.2%+4 DC Current 20mA 0.00mA~22.00mA 0.01mA 0.2%+4 Thermocouple R 0~1760 1 0.2%+4 S 0~1760 B 400~1820 K -200~1370 E -200~1000 J -200~1200 T -200~400 N -200~1300 Output Function Range Measuring Range Resolution Accuracy DC Voltage 100mV 0.0mV~110.0mV 100uV 0.2%+4