Practical-instrument-electronics 434 Bedienungsanleitung PDF herunterladen (Seite 12)

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 12

Source/Power & Measure Two Wire Transmitters

Ranges and Resolution 0.000 to 24.000 mA or -25.00 to 125.00% of 4-20 mA

Accuracy ≤ ± (0.01 % of Reading +0.002 mA)

Noise ≤ ± ½ Least Significant Digit

Temperature effect ≤ ± 0.005 %/°C of FS

Loop compliance voltage

≥ 24 DCV @ 20.00mA

Loop drive capability - Leak Detection Off

Loop drive capability - Leak Detection On

1200 Ω at 20 mA for 15 hours nominal;

950 Ω with Hart Resistor enabled

1000 Ω at 20 mA for 15 hours nominal;

750 Ω with Hart Resistor enabled

Battery life ≥ 30 hrs at 12 mA nominal; ≥ 25 hrs with backlight on

2-Wire Transmitter Simulation

Accuracy Same as Source/Power & Measure

Voltage burden ≤ 2V at 20 mA

Overload/Current limit protection 24 mA nominal

Loop voltage limits 2 to 60 VDC (fuse-less protected from reverse polarity

connections)

Battery life ≥ 125 hours nominal; ≥ 100 hrs with backlight on

Voltage Read

Range and Resolution -60.00 to +60.00 VDC Full Span (FS)

Accuracy ≤ ± 0.05 % of FS

Temperature effect ≤ ± 100 ppm/°C of FS

Input resistance ≥ 2 MΩ

Battery life ≥ 125 hours nominal; ≥ 100 hrs with backlight on

PIECAL 434 Specifications (continued)

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

70 % RH for 1 year from calibration)

Accessories

INCLUDED:

Carrying Case with Belt Loop Part No. 020-0205

OPTIONAL:

AC ADAPTOR (200 to 240 VAC) Part No. 020-0100

AC ADAPTOR (100 to 120 VAC) Part No. 020-0101

Ni-MH 1 Hour Charger w/4 Ni-MH AA Batteries Part No. 020-0103

(100-120 V AC input for North America Only)

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Practical-instrument-electronics 434 Bedienungsanleitung Seite 12