Overview
The Simpson Model 2153 ammeter is a century-style analog panel meter engineered for direct AC amperage measurement in electrical control systems and industrial equipment. This gauge delivers accurate current measurement with ±2% full-scale accuracy and features robust iron-vane movement for stable performance across industrial environments.
Key Features
- Iron-vane movement with magnetic damping for stable needle response
- Knife-edge pointer ensures precise and readable current values
- Large glass window for clear meter dial visibility
- UL Recognized design (File # E91015)
- Available in multiple AC amperage ranges including 0-300A configuration
- 3.5″ panel-mount format fits standard electrical enclosures
Technical Specifications
- Measurement Range: 0–300 A AC (configurable)
- Accuracy: ±2% Full Scale (Iron Vane)
- Movement Type: Iron-vane, magnetically damped
- Pointer Style: Knife-edge with black matte finish
- Response Time: 1.5 seconds maximum
- Operating Temperature: −4°F to +149°F (−20°C to +65°C)
- Overload Rating (1 sec): 10× Full Scale
- Overload Rating (Continuous): 1.5× Full Scale
- Dial Size: 3.5″ (89 mm)
- Scale Length: 2.48″ (63.0 mm)
- Case Material: High-density black plastic
- Net Weight: 6 oz (0.17 kg)
- Mounting: Panel mount (standard electrical enclosure cut-outs)
- UL File Number: E91015
Typical Applications
- AC electrical current monitoring in industrial control panels
- Equipment load measurement and diagnostics
- Power distribution monitoring in manufacturing facilities
- Motor and compressor amperage verification
- Electrical system troubleshooting and maintenance
- OEM panel integration for process control systems
Compatibility & Replacements
Compatible With
- Standard 3.5″ electrical control panel cut-outs
- AC power systems 50/60 Hz
- Industrial electrical measurement circuits
- Direct current shunt configurations (as applicable to specific range)
Replaces / Drop-In Replacement For
- Other Simpson 2153 model variants with different amperage ranges
- Cat. No. 17709 (manufacturer reference)
- Legacy analog ammeter gauges in same mounting envelope
Works With
- AC electrical systems (50/60 Hz standard industrial power)
- Current transformers (CTs) for high-amperage measurement
- Standard electrical panel mounting hardware
- Shunt-type ammeter circuits (verify impedance match)
