Practical-instrument-electronics 541 Bedienungsanleitung PDF herunterladen (Seite 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 ±0.005% of Range

Ranges 0.001 to 20.000 kHz

0.1 to 2000.0 Hz

0.01 to 200.00 Hz

0.1 to 2000 CPM (Counts-per-Minute)

1 to 20000 CPH (Counts-per-Hour

Operating Temperature Range -25 to 60 °C (-10 to 140 °F)

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

Relative Humidity Range 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing

10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing

Size 7.00 X 3.30 X 2.21 inches (177.8 X 83.8 X 56.1 mm

Weight 12.0 oz (340 grams) (including battery)

Batteries & Battery Life One “Alkaline 9V (6LR61), 45 Hours

Low Battery Low battery indication with nominal 1 hour of life left

Protection against mis-connection Over-voltage protection to 120 Vrms rated for 30 seconds

or 240 Vrms for 15 seconds

Display High contrast graphic liquid crystal display.

Normal Mode/Common Mode Rejection 50/60 Hz, 50 dB/ 50/60 Hz, 90 dB

Read Frequency

Input Impedance

> 1 Megohms + 100pF

Signal Attenuation Adjustment Range Adjustable trigger level with X1 (0.1 V peak to 12.0 V peak)

and X10 (1 V Peak to 120 V peak)

Note on reading slow sine waves High signal noise and low slew rate (Volts-per-second) will

affect reading uncertainty

Source Frequency

Output Impedance < 25 Ohms

Source Current > 6 mA at 12 V peak-to-peak, 20 kHz

Amplitude Adjustment Range & Accuracy 0.1 to 12.0 V peak ±10% of setting

Square Wave (Pulse)

Rise/Fall Time

Frequency Jitter

Duty Cycle

Selectable Zero Based or Zero Crossing

<0.0001% of output V peak per second

<0.5 Least Significant Digit of full scale value

50% ±2%

Sine Wave

Offset and Zero Crossing Symmetry <±10% of V peak output amplitude setting

Model 541 Specifications

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

70 % RH for 1 year from calibration)

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