Page 18
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
PIE 311Plus Specifications
Unless otherwise indicated all specifications (except Cold Junction) are rated from a nominal 23 °C, 70 % RH for 1 year from calibration
Read mA
Ranges and Resolution
0.000 to 24.000 mA or -25.00 to 125.00% of 4-20 mA
Accuracy
≤ ± (0.02 % of R 0.003 mA)
Voltage burden
≤ 2V at 24 mA
Overload/Current limit
protection
25 mA nominal
Source mA / Power & Measure Two Wire Transmitters & PWRM LEAK
Ranges and Resolution
0.000 to 24.000 mA or -25.00 to 125.00% of 4-20 mA
Accuracy
≤ ± (0.02 % of R 0.003 mA)
Loop compliance voltage
≥ 24 DCV @ 20.00mA
Loop drive capability
1200 Ω at 20 mA for 15 hours nominal;
950 Ω with Hart Resistor or leak detection running
mA 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)