Three channel power units P703B series SPECIFICATIONS P703B P703B-6 P703BT Input: 1 1 1 Voltage to transducer 27 VDC 27 VDC 27 VDC Current to transducer 2.4 mA DC, 20% 6.0 mA DC, 20% 2.4 mA DC, 10% Maximum input voltage 10 V rms 10 V rms 10 V rms Output impedance (sensor same as transducer attached to input) Recommended load >100 k >100 k >100 k impedance Decoupling capacitator 22 F, 35 VDC 22 F, 35 VDC 22 F, 35 VDC Key features (internal) Gain 1:1 with DC decoupling Powers 3 separate sensors Frequency response same as transducer Can drive up to 50 ft. of cable Channels 3 3 3 Battery condition light Manufactured in an ISO Channel separation >80 dB >80 dB >60 dB 9001 facility LED lights >18 VDC Battery life >40 hours >16 hours >40 hours Batteries 9V alkaline (3) External power 24 to 30 VDC Temperature range 0 to +55C Size (W x H x D) 3 x 2.4 x 4 inches Weight 0.84 lb 0.84 lb 1.0 lb Connectors: Bendix POC2A- Signal input BNC BNC 8-4P Signal output BNC BNC BNC (front panel) A: y axis B: x axis Pin out (P703BT only) C: z axis D: common/return 1 Notes: 25.2 VDC when using Ni-Cad batteries. 2 For extended operation, the NC3 Ni-Cad battery kit should be used. Accessories supplied: (3) 9V alkaline batteries Accessories available: NC3 Ni-Cad battery kit LA704B line adaptor (110V) LA704B-220 line adaptor (220V) BNC series adaptors Models available P703B standard model P703B-6 6 mA constant current See reverse for operating instructions. P703BT Bendix 4 pin connector Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. 8435 Progress Drive Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies buy.wilcoxon.com Frederick, MD 21701 Fax: +1 (301) 330-8873 An Amphenol Company www.wilcoxon.com USA info wilcoxon.com 98446 Rev.I.2 09/18Three channel power units P703B series Operating instructions Output Front panel screws connector Remove to change Readout equipment batteries. 1. To test batteries, press switch to RIGHT Transducer 1 connector (momentary) position LED should light. 2. OFF position is with switch in center. 2 3. To turn unit ON, press to LEFT. Output cable Transducer 3 cable Use LA704B line adaptor to power unit from line Onofftest switch voltage without batteries installed or to charge Power unit Model P703B Ni-Cad batteries. On Test Line Off Wilcoxon Research Gaithersburg, MD Test indicator Made in the USA Transducer Line adaptor jack CAUTION: DO NOT ATTEMPT TO RECHARGE ALKALINES WITH THE LA704B. Alkaline batteries may EXPLODE or leak corrosive fluids. Test for proper operation Oscillator x1 Use a digital multimeter to verify that the proper voltage and x10 1 current are available at the transducer connector. x100 2 9 x1K Substitute an oscillator for the transducer. 8 3 100F x10K 35V Follow the connection to the power unit as shown at right. 7 4 6 5 OUTPUT The unit should have unity again. 4.3K Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. 8435 Progress Drive Tel: +1 (301) 330-8811 Wilcoxon Sensing Technologies buy.wilcoxon.com Frederick, MD 21701 Fax: +1 (301) 330-8873 An Amphenol Company www.wilcoxon.com USA info wilcoxon.com 98446 Rev.I.2 09/18 Transducer Output