Product Overview
The PC420A-IS series from Wilcoxon Sensing Technologies are intrinsically safe, 4-20 mA loop-powered acceleration sensors designed for reliable operation in hazardous areas. These sensors offer True RMS or peak output and are easily integrated into existing process control systems. Manufactured in an ISO 9001 approved facility, they are certified for use in Class I, Div 1 Groups A, B, C, D T3C and II 1 G Ex ia IIC T4 Ga hazardous locations. They are suitable for applications requiring vibration monitoring in potentially explosive environments.
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
- Output Type: 4-20 mA loop powered
- Intrinsically Safe: Yes
- Connector Type: 2 pin, MIL-C-5015 style
- Mating Connector: R6 type
- Accessories Supplied: SF6 mounting stud (metric mounting available), calibration data (level 2)
Technical Specifications
| Specification | Value |
|---|---|
| Model Series | PC420A-IS |
| Output Signal | 4-20 mA |
| Output Types | 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 |
| Grounding | Case isolated, internally shielded |
| Operating Temperature Range | 40 to +85 C |
| Vibration Limit | 250 g peak |
| Shock Limit | 2,500 g peak |
| Sealing | Hermetic |
| Weight | 162 grams |
| Mounting | 1/4-28 tapped hole |
| 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 |
| Connections (Pin A) | Loop positive (+) |
| Connections (Pin B) | Loop negative () |
| Connections (Ground) | Shell |
| Loop Resistance Calculation (20 VDC) | Max: 400 ; Min Wattage: 1/4 watt |
| Loop Resistance Calculation (24 VDC) | Max: 600 ; Min Wattage: 1/2 watt |
| Loop Resistance Calculation (26 VDC) | Max: 700 ; Min Wattage: 1/2 watt |
| Model Selection Guide (Output Type) | x = R (acceleration, RMS), P (acceleration, equivalent peak), TP (acceleration, true peak) |
| Model Selection Guide (Full Scale) | yy = 05 (5 g), 10 (10 g), 20 (20 g) |
2504151134_Amphenol-PC420AR-05-IS_C3319034.pdf
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