Practical-instrument-electronics 512 Manual de usuario descargar pdf (Pagina 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/

512-9002 2/25/04 3-4

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Practical-instrument-electronics 512 Manual de usuario Pagina 3