Practical Instrument Electronics 525 Rev F - Manual (Page 5)

Model 525 Operating Instructions
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 © 2004. All rights reserved. 525-9002 5/26/05 5-8
Specifications
General Specifications: (2 minute warm-up time to reach full 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 or 0.001Ω
Span 0.000-400.000 Ω
Accuracy ±(0.015 % of Ω + 0.05) Ω (see accuracy tables for temperature error)
Temperature Coefficient ±0.01 % of span outside of 25°C ± 10°C
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 620 µA nominal
T/C Simulation Specifications:
Output Range -13.000 to +80.000 mV
Output Noise ±5 µV pp from 0.1 Hz to 10 Hz
Output Impedance 0.2 Ω (200 nV/uA)
Source Current < 8 mA
T/C READ Specifications:
Input Noise < ±1 LSD from 0.1 Hz to 10 Hz
Input Impedance > 1 MΩ
Open T/C Test Pulse < 10 µA for 300 ms
Open T/C Response Time < 3 seconds
Open T/C Threshold 10 kΩ nominal
Available Options:
Carrying Case - included Part Number: 020-0205
T/C wire Kits: Wire Kit 1 includes J, T, E, K wires with mini connectors
Wire Kit 2 includes B, R/S, N wires with mini connectors