Overview
The Simpson 290PU01A1 is a high-precision analog panel meter engineered for accurate DC microamperage measurement across 0–30 µA range. Simpson Electric’s analog panel meters offer rugged durability and do not require an external power source. This instrument is ideal for laboratory testing, equipment diagnostics, and precision current monitoring in electronics manufacturing and quality control environments.
Key Features
- Precision 0–30 µA DC measurement range
- Self-shielding movement for reliable, unaffected readings
- Analog microammeter design — no batteries or external power required
- Glass window for optimum viewing clarity
- Black spade-type or knife-edge pointer for easy reading
- Rugged black plastic case for industrial durability
Technical Specifications
Below are the key electrical and physical characteristics of the Simpson 290PU01A1:
- Measurement Range: 0–30 µA DC
- Meter Type: Analog microammeter
- Movement: Self-shielding, taut-band suspension
- Input Impedance: Approximately 4,900–6,600 Ohms (typical for microammeter range)
- Accuracy: ±3% (standard for Simpson analog panel meters)
- Operating Temperature: –4°F to +149°F (–20°C to +65°C)
- Display Window: Glass with anti-reflective properties
- Power Required: None (passive analog meter)
- Mounting: Panel-mount with standard hardware
Typical Applications
- Laboratory instrument calibration and verification
- Precision current measurement in test equipment
- Electronics manufacturing quality control
- Sensor output monitoring and diagnostics
- Industrial instrumentation and process testing
- Equipment maintenance and troubleshooting
Compatibility & Replacements
Compatible With
- Laboratory benchtop test equipment
- Industrial control panels and instrument racks
- Equipment requiring 0–30 µA DC measurement display
- Standard panel cutouts and mounting provisions
- Direct or shunt-resistor measurement configurations
Replaces / Drop-In Replacement For
The Simpson 290PU01A1 is a specialized microammeter model. For specific replacement compatibility with other Simpson models or competitive brands, verify exact specifications and mounting dimensions with your system integrator or Simpson Electric technical support.
Works With
- Laboratory power supplies and function generators
- Test and measurement instrumentation
- Industrial control systems and circuit testing
- DC current source outputs
- High-impedance measurement circuits
