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Specifications
Mfr. Part #:
PC420ATP-20-IS
Key Attributes
Model Number:
PC420ATP-20-IS
Product Description
Wilcoxon Sensing Technologies PC420A-IS Series Intrinsically Safe 4-20 mA Loop Powered Sensors
Product Overview
The Wilcoxon Sensing Technologies PC420A-IS series are intrinsically safe, loop-powered 4-20 mA sensors designed for reliable operation in hazardous areas. These sensors offer True RMS or peak output, making them easily integrable into existing process control systems. Manufactured in an ISO 9001 approved facility, they are certified for use in Class I, Div 1 and II 1 G hazardous locations.
Product Attributes
- Brand: Wilcoxon Sensing Technologies (An Amphenol Company)
- Origin: USA
- Certifications:
- Class I, Div 1 Groups A, B, C, D T3C Ta = 85C max
- II 1 G Ex ia IIC T4 Ga -40C Ta +85C
- Material: 316L stainless steel (case)
- Sensing Element: PZT, shear
- Sealing: Hermetic
- Manufacturing Standard: ISO 9001 approved facility
- Output Type: 4-20 mA loop powered
- Intrinsic Safety Parameters:
- 14 V < Uo < 30V
- 20 mA < Io < 106 mA (linear supply only)
- Po < 0.75 W
- Co < Ci + Ccable
- Lo < Li + Lcable
- Maximum cable length: 100 ft (31 m)
- Ccable: 6 nF for 100 ft
Technical Specifications
| Specification | Value |
|---|---|
| Model Series | PC420A-IS |
| Output | 4-20 mA |
| Output Type Options | True RMS or Peak |
| Full Scale Output | 20 mA, 5% |
| Frequency Response | 10% 3 dB: 10 Hz - 1.0 kHz; 4.0 Hz - 2.0 kHz |
| 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 |
| Weight | 162 grams |
| Case Material | 316L stainless steel |
| 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 Function | Loop positive (+) |
| Connector Pin B Function | Loop negative () |
| Connector Shell Function | Ground |
| Accessories Supplied | SF6 mounting stud (metric mounting available); calibration data (level 2) |
| Loop Resistance Calculation (RL) | RL = (VDC power 10 V) / 0.020 A |
| Minimum RL Wattage Capability (example at 24 VDC) | 1/2 watt |
Model Selection Guide (Table 1):
| Code | Description |
|---|---|
| x (4-20 mA output type) | R = acceleration, RMS P = acceleration, equivalent peak TP = acceleration, true peak |
| yy (full scale) | 05 = 5 g (49 m/sec2) 10 = 10 g (98 m/sec2) 20 = 20 g (196 m/sec2) |
2504151134_Amphenol-PC420ATP-20-IS_C3319143.pdf
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