Practical-instrument-electronics 525 Rev B Manual de usuario descargar pdf (Pagina 5)

Model 525 Operating Instructions

82 E. Main Street Suite 3.14 • Webster, NY 14580

Tel: 585-872-9350 • Fax: 585-872-2638

sales@piecal.com • http://www.piecal.com/

525-9002 7/13/11

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 k

Ω

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

1 2 3 4 5 6 7 8

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Practical-instrument-electronics 525 Rev B Manual de usuario Pagina 5

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