Practical Instrument Electronics 334Plus - Manual (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 1
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
1 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.