Product Overview
The PC420A-IS series are intrinsically safe 4-20 mA loop-powered 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 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. The sensors are suitable for applications requiring accurate vibration monitoring in challenging 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
- Intrinsically Safe 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
- Case Material: 316L stainless steel
- Sensing Element Design: PZT, shear
- Sealing: Hermetic
- Accessories Supplied: SF6 mounting stud (metric mounting available); calibration data (level 2)
- Connector: 2 pin, MIL-C-5015 style
- Mating Connector: R6 type
- Recommended Cabling: J9T2A
- Manufacturing Facility: Approved ISO 9001 facility
Technical Specifications
| Specification | Details |
|---|---|
| Model Series | PC420A-IS |
| Output Type | 4-20 mA loop powered |
| Output Signal | True RMS or Peak |
| Full Scale Range | See Table 1 (05 = 5 g, 10 = 10 g, 20 = 20 g) |
| 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) | 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 |
| Mounting | 1/4-28 tapped hole |
| Connections (Connector Pin) | A: Loop positive (+) B: Loop negative () Ground Shell |
| Loop Resistance Calculation | RL = (VDC power 10 V) / 20 mA |
| Minimum RL Wattage Capability | 20 VDC: 1/4 watt; 24 VDC: 1/2 watt; 26 VDC: 1/2 watt |
| Maximum RL Resistance | 20 VDC: 400 ; 24 VDC: 600 ; 26 VDC: 700 |
| Model Suffix | Output Type | Full Scale Range |
|---|---|---|
| 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-PC420AP-05-IS_C3319067.pdf
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