Practical Instrument Electronics 434 - 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 ≤ ± (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)