Practical-instrument-electronics 211 Manual de usuario descargar pdf (Pagina 7)

Practical Instrument Electronics

82 East Main Street Suite 3.14 • Webster, NY 14580 Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com

Page 7

General

Accuracy ±(0.025% of Reading + 0.05 Ohms)

Temperature Drift ± 0.01% of span outside of 23°C ±10 °C (73°C ±18 °F)

Operating 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 L=5.63 x W=3.00 x H=1.60 inches

Weight 12.1 ounces (including boot & batteries)

Batteries Four “AA” Alkaline 1.5V (LR6)

Battery Life 50 Hours

Optional NiMh

Rechargeable battery kit

120 VAC for North America Only; charger, four

NiMh

batteries, AC & DC cords [Part # 020-0103]

Low Battery Low battery indication with nominal 1 hour of operation

left

Protection against misconnection Over-voltage protection to 60 V dc (rated for 30 seconds)

Display High contrast graphic liquid crystal display. LED backlighting

for use in low lit areas.

Read

Excitation Current

0.5 mA nominal

Normal Mode Rejection 50/60 Hz, 50 dB

Common Mode Rejection 50/60 Hz, 120 dB

PIECAL 211 Specifications

(Unless otherwise indicated all specifications are rated from a nominal 23 °C,

70 % RH for 1 year from calibration)

Source

Accuracy

From 1 to 10.2 mA External Excitation Current

Below 1 mA of External Excitation Current

±(0.025% of Reading + 0.05 Ohms)

±(0.025% of Reading + + 0.05 Ohms)

Resistance Ranges 0.00 to 410.00, 410.1 to 2001.0 Ohms

Allowable Excitation Current Range <410 Ohms: 10.2 mA max; steady or pulsed/intermittent

410 to 2001 Ohms: 1 mA max; steady or pulsed/intermittent

Pulsed Excitation Current Compatibility DC to 0.01 second pulse width

0.025 mV

mA Excitation Current

1 2 3 4 5 6 7 8

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