Key Features:
Source/Measure/Simulate 0-20 mA and 4-20 mA DC current.
Simultaneously monitor mA and % of scale.
Adjustable manual and automatic output current ramp and step modes.
Built-in 24 V loop power supply: Eliminates the need for an external supply.
HART® mode: Inserts a 250 Ω resistor in the loop for HART communication protocol.
True RMS measurements: AC and AC+DC voltage and current.
50,000-count dual display.
High Frequency Rejection (HFR) mode: Low pass filter for AC measurements.
Measurement functions: DCV, ACV, AC+DC, DCI, ACI, resistance, frequency, continuity, and diode test.
Isolated USB Interface: Software included for remote data logging.
CAT III 1000 V / CAT IV 600 V protection.
Key Specifications:
| Feature | 394B |
| Current Output Ranges | 0-20 mA or 4-20 mA |
| Current Output Adjustment Modes | Slow ramp, fast ramp, 25% step |
| Loop Power Supply | > 24 V |
| 250 Ω HART® Mode | ✓ |
| True RMS | ✓ AC, AC+DC voltage and current |
| Basic DCV Accuracy | ± 0.05% |
| Display | 5 digit / 50,000 count |