Product Overview
The PC420A-IS series intrinsically safe 4-20 mA loop-powered sensors are designed for reliable operation in hazardous environments. 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 intrinsically safe 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 accurate vibration monitoring in potentially explosive atmospheres.
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)
- 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
- Sealing: Hermetic
- Sensing Element Design: PZT, shear
- Mounting: 1/4-28 tapped hole (metric mounting available)
- Output Connector: 2 pin, MIL-C-5015 style
- Mating Connector: R6 type
- Recommended Cabling: J9T2A
- Accessories Supplied: SF6 mounting stud, calibration data (level 2)
Technical Specifications
| Specification | Details |
|---|---|
| Model Selection Guide | Output Type: x (4-20 mA output type) Full Scale: yy (full scale) Output Options: R = acceleration, RMS; P = acceleration, equivalent peak; TP = acceleration, true peak Full Scale Options: 05 = 5 g (49 m/sec); 10 = 10 g (98 m/sec); 20 = 20 g (196 m/sec) |
| Output, 4-20 mA | Full scale, 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 (at 24 VDC, max) | 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 |
| Output Connector Pinout | Pin A: loop positive (+) Pin B: loop negative () Ground: shell |
| Loop Resistance Calculation | RL = (VDC power 10 V) / 0.020 A |
| RL (max resistance) & RL (minimum wattage capability) | 20 VDC: 400 , 1/4 watt 24 VDC: 600 , 1/2 watt 26 VDC: 700 , 1/2 watt |
2412111045_Amphenol-PC420AR-20-IS_C3319061.pdf
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