Explosion-proof, velocity loop powered sensor PC420V-EX series Key features Table 1: PC420Vx-yy-EX model selection guide Choice of RMS or peak x (4-20 mA output type) yy (4-20 mA full scale) equivalent output 05 = 0.5 ips 10 = 1.0 ips Explosion-proof certified R = velocity, RMS output 20 = 2.0 ips P = velocity, equivalent peak output Provides continuous 30 = 3.0 ips 50 = 5.0 ips trending of overall machine vibration Manufactured in an approved ISO 9001 facility Certifications II 2 G Class I, Div 1, 2 Groups A, B, C, D Ex d IIC T3 Class II, Div 1, 2 Groups E, F, G II 3 G Class III Ex nA II T3 T3C Ta = 85C max -40C Ta +85C For hazardous area locations, sensor must be installed in accordance with installation instructions or local code requirements. Special conditions for safe use: Conduit seal must be installed within 18 inches (450 mm) of the enclosure. Use supply wires with spreading suitable for at least 70C. Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies 8435 Progress Drive Tel: +1 (301) 330-8811 buy.wilcoxon.com Frederick, MD 21701 Fax: +1 (301) 330-8873 An Amphenol Company www.wilcoxon.com USA info wilcoxon.com 98822 Rev.E.3 02/19 1Explosion-proof, velocity loop powered sensor PC420V-EX series SPECIFICATIONS Full scale, 20 mA, 5% see Table 1 on page 1 Connections Frequency response: 10% 10 Hz - 1.0 kHz Function Cable color 3 dB 4.0 Hz - 2.0 kHz loop positive (+) red Repeatability 2% loop negative () white Transverse sensitivity, max 5% Power requirements, 2-wire loop power: Voltage at sensor terminals 14 - 30 VDC 1 Loop resistance at 24 VDC, max 700 Turn on time, 4-20 mA loop <10 sec Grounding case isolated, internally shielded 1.0 Temperature range 40 to +85 C NPT Vibration limit 250 g peak 3.40 Shock limit 2,500 g peak Sealing epoxy sealed Sensing element design PZT, shear .40 Weight 380 grams Case material 303 stainless steel Mounting 3/8-24 x 3/8 depth tapped hole 1.32 Output leads, 18 AWG 13 ft. 3/8-24 1.00 Accessories supplied: SF20-2 mounting stud calibration data (level 2) UNF Optional accessories: SF20-1 mounting stud (1/4-28 to 3/8-24) mounting hole 1 Notes: Maximum loop resistance (R ) can L be calculated by: V 12 V DC power Typical circuit R = L 20 mA Red A, 4-20 plus + DC power DC supply R (max R (minimum RL L L White B, 4-20 minus supply 2 3 voltage resistance) wattage capability) 12 VDC 100 1/8 watt Signal measuring equipment Model 20 VDC 500 1/4 watt PC420Axx-yy-EXPC420Vx-yy-EX PLC / DCS 24 VDC 700 1/2 watt 26 VDC 800 1/2 watt 30 VDC 1,000 1/2 watt 2 Lower resistance is allowed, greater than 10 recommended. 3 Minimum R wattage determined by: L (0.0004 x R ). L Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies 8435 Progress Drive Tel: +1 (301) 330-8811 buy.wilcoxon.com Frederick, MD 21701 Fax: +1 (301) 330-8873 An Amphenol Company www.wilcoxon.com USA info wilcoxon.com 98822 Rev.E.3 02/19 2