Practical Instrument Electronics 512 - Manual (Page 3)

Model 512 Operating Instructions
Connection Diagrams
Four Wire Connection to Transmitter
Specifications
General Specifications:
(Unless otherwise indicated all specifications are rated from a nominal 23 °C, 70 % RH for 1 year from calibration)
Temperature Range -25 to 60 °C (-10 to 140 °F)
Relative Humidity Range 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing
10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing
Size 4.9 X 3.15 X 1.82 inches (125.5 X 80 X 46.2 mm)
Weight 9.1 oz (258 grams)
Battery 9V Alkaline provides 45 hours of continuous use
Miscellaneous Low battery indication with nominal 1 hour of operation left
Protection to 60V for up to 30 seconds in duration
High contrast graphic liquid crystal display with 0.357” (9.07 mm) high digits
Resolution °C or °F / 0.01 Ω
Span 0.00-410.00 Ω
Accuracy ±(0.015 % of Ω + 0.05) Ω (see accuracy tables for temperature error)
Temperature Coefficient ±0.01 % of span in Ω/°C ambient
RTD Simulation Specifications:
Allowable Excitation Current 100 µA to 10.2 mA, steady or pulsed/intermittent/smart
for accuracies below 100µA add ±10µV/Excitation Current (units are in Ω)
Pulsed Excitation Current Compatibility DC to 0.01 second pulse widths
RTD Read Specifications:
Excitation Current 1.0 mA nominal
Available Options:
Carrying Case Part Number: 020-0201
841 Holt Road #1 • Webster, NY 14580 Tel: 585-872-9350 • Fax: 585-872-2638 [email protected] • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright  2003. All rights reserved. 512-9002 2/25/04 3-4