Practical-instrument-electronics 334Plus Manuel d'utilisateur télécharger pdf (Page 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

EZ Check(s) at 4 & 20mA

0.0 to 24.00 mA

≤ ±(0.025% of Span at 4 mA & 20 mA) (± 0.005mA)

≤ ± (0.05% of 24.00mA Span) (± 0.012mA)

Noise ≤ ± ½ Least Significant Digit

Temperature effect ≤ ± 0.005 %/°C of FS

Loop compliance voltage

≥ 24 DCV @ 20.00mA

Loop drive capability 1200 Ω at 20 mA for 15 hours nominal;

950 Ω with Hart Resistor enabled 334Plus

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

These are internal calibrated cardinal reference points and accuracy is not defined or limited by display

resolution

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 100 VDC (fuse-less protected from reverse polarity

connections)

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

Voltage Read

Range and Resolution -99.99 to +99.99 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 334Plus Specifications (continued)

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

70 % RH for 1 year from calibration)

Additional Information

This product is calibrated on equipment traceable to NIST and includes a Certificate of Calibration.

Test Data is available for an additional charge.

Practical Instrument Electronics recommends a calibration interval of one year. Contact your local

representative for recalibration and repair services.

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Practical-instrument-electronics 334Plus Manuel d'utilisateur Page 12