Practical Instrument Electronics 522 Rev C - Manual (Page 3)

Model 522 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 © 2003. All rights reserved. 522-9002 5/20/05 3-4
Connection Diagram
Two 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
Overall Size 4.9 X 3.15 X 1.82 inches (125.5 X 80 X 46.2 mm)
Overall Weight (including 9V battery) 7.2 oz (204 grams)
Battery 9V Alkaline provides 45 hours of continuous use
Miscellaneous Low battery indication with nominal 1 hour of operation left
Overload protected to 60 volts for 30 seconds or less
High-contrast graphic liquid crystal display with 0.357” (9.07 mm) high digits
Millivolt Accuracy ±(0.008 % of mV Setting + 0.006 mV)
Temperature Coefficient of mV Source 50 ppm/°C of output range
Cold Junction Calibration Accuracy ±0.1 °C (0.2 °F)
Cold Junction Sensor Temperature Coefficient ±0.025 °/° in ambient temperature (°C or °F)
General Temperature Accuracy ±(0.008 % of mV setting + 0.006 mV) ± 0.1 °C (0.2 °F)
Resolution 0.1 °C or 0.1 °F
SOURCE Thermocouple 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
READ Thermocouple Specifications:
Input Noise < ±1 LSD from 0.1 Hz to 10 Hz
Input Impedance > 1 MΩ