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Specifications
Mfr. Part #:
PC420AP-20-IS
Key Attributes
Model Number:
PC420AP-20-IS
Product Description
Product Overview
The PC420A-IS series from Wilcoxon Sensing Technologies offers intrinsically safe 4-20 mA loop-powered sensors designed for reliable operation in hazardous environments. These sensors provide true RMS or peak output and are easily integrated into existing process control systems. Manufactured in an ISO 9001 facility, they are certified for use in Class I, Div 1 and II 1 G hazardous locations. The sensors are suitable for applications requiring accurate acceleration measurement in potentially explosive atmospheres.
Product Attributes
- Brand: Wilcoxon Sensing Technologies
- Company: An Amphenol Company
- Origin: USA
- Certifications: Class I, Div 1 Groups A, B, C, D T3C; II 1 G Ex ia IIC T4 Ga
- Manufacturing Standard: ISO 9001
- Case Material: 316L stainless steel
- Sensing Element: PZT, shear
- Sealing: Hermetic
- Output Type: 4-20 mA loop powered
- Intrinsically Safe: Yes
Technical Specifications
| Specification | Details |
|---|---|
| Model Series | PC420A-IS |
| Output Type | 4-20 mA loop powered |
| Output Signal Options | True RMS or peak |
| Frequency Response | 10 Hz - 1.0 kHz ( 10% 3 dB); 4.0 Hz - 2.0 kHz ( 10% 3 dB) |
| Repeatability | 2% |
| Transverse Sensitivity (max) | 5% |
| Power Requirements | 2-wire loop power |
| Voltage at Sensor Terminals | 12 - 30 VDC |
| Loop Resistance (max at 24 VDC) | 600 |
| Turn on Time (4-20 mA loop) | <30 sec |
| Operating Temperature Range | 40 to +85 C |
| Vibration Limit | 250 g peak |
| Shock Limit | 2,500 g peak |
| Weight | 162 grams |
| Mounting | 1/4-28 tapped hole (metric mounting available) |
| Output Connector | 2 pin, MIL-C-5015 style |
| Mating Connector | R6 type |
| Recommended Cabling | J9T2A |
| Connector Pin A | Loop positive (+) |
| Connector Pin B | Loop negative () |
| Grounding | Case isolated, internally shielded |
| Accessories Supplied | SF6 mounting stud; calibration data (level 2) |
| Hazardous Area Electrical Parameters (Uo) | 14 V < Uo < 30V |
| Hazardous Area Electrical Parameters (Io) | 20 mA < Io < 106 mA (linear supply only) |
| Hazardous Area Electrical Parameters (Po) | Po < 0.75 W |
| Hazardous Area Capacitance Condition | Co < Ci + Ccable |
| Hazardous Area Inductance Condition | Lo < Li + Lcable |
| Maximum Cable Length | 100 ft (31 m) |
| Ccable (for 100 ft) | 6 nF |
| Model Selection Guide (Example) | PC420Ax-yy-IS |
| Output Type Codes | R = acceleration, RMS; P = acceleration, equivalent peak; TP = acceleration, true peak |
| Full Scale Codes | 05 = 5 g (49 m/sec2); 10 = 10 g (98 m/sec2); 20 = 20 g (196 m/sec2) |
| Loop Resistance Calculation (Max) | RL = (VDC power 10 V) / 20 mA |
| Minimum RL Wattage Capability (Example at 20 VDC) | 1/4 watt |
| Minimum RL Wattage Capability (Example at 24 VDC) | 1/2 watt |
| Minimum RL Wattage Capability (Example at 26 VDC) | 1/2 watt |
2506301128_Amphenol-PC420AP-20-IS_C3319005.pdf
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