Portable Function Signal Generator 71B – High-Accuracy Process Calibrator with Voltage, Current, and Thermocouple Measurement

Features:

• High Accuracy & Easy Operation – Compact design with intuitive button interface, long standby time, and precise measurements.
• Versatile Measurement & Output – Supports DC voltage (100mV–30V), DC current (up to 20mA), switching value measurement, and analog output.
• Multifunctional Performance – Manual/automatic step output, waveform generation, and simultaneous display of V, mA, and % values. Includes 8 thermocouple types (R, S, B, K, E, J, T, N).
• Advanced Functions – Celsius/Fahrenheit display, cold junction compensation (manual/auto), cycle detection, and 24V loop power supply with current measurement.
• Wide Application – Ideal for PLC debugging, process instrumentation testing, and industrial device calibration such as sensors and electric valves.

Specifications:

• Model: RuoShui 71B
• Material: Plastic
• Display Refresh Rate: 2–3 times/sec
• Overload Protection: 50mA / 30V
• Operating Environment: 0–40℃, <85% RH (no condensation)
• Storage Conditions: -20–60℃, <90% RH (no condensation)
• Power Supply: 3 × AAA batteries (not included)
• Auto Power Off & Low Battery Warning: Supported
• Calibration: External (recommended every 1 year)
• Warm-up Time: ~10 minutes

Measurement Range & Accuracy:

• DC Voltage: 100mV / 30V, ±0.2%+4
• DC Current: 20mA, ±0.2%+4
• Thermocouples: R, S, B, K, E, J, T, N (up to 1820℃)

Output Functions:

• Voltage Output: 100mV / 10V, ±0.2%+4
• Current Output: 20mA, ±0.2%+4
• Loop Power Supply: 24V ±10%
• Thermocouple Output: R, S (up to 1760℃)