Practical Instrument Electronics 535 - Manual (Page 5)

Model 535 Operating Instructions
82 E. Main Street Suite 3.14 · Webster, NY 14580 Tel: 585-872-9350 · Fax: 585-872-2638 [email protected] · http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright ã 2011. All rights reserved. 535-9002 Rev G 7/13/11 5-8
Power and Measure 2 Wire Transmitter
The Model 535 provides power to the process loop while
displaying output current. Use this mode to test a
transmitter’s ability to control loop current. Current
limiting above 24 mA (52 mA if 10-50 range is selected)
is indicated by a flashing “CURRENT LIMITED” display.
Read Volts
The Model 535 measures +/- 30 VDC with 4X overrange
ability. The display flashes “OVERRANGE” when the 30
volt limit is exceeded.
Source Milliamp
Connect the Model 535 directly to 4-20/10-50 mA
receiver equipment, alarms, panel meters, etc. Use the
EZ-Dialä Knob and EZ-Checkä Switch to adjust loop
current. The display flashes “HIGH Ω” when the loop
resistance is too high or the leads are open.