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This easy to use and read milliamp loop calibrator is more accurate than similar calibrators that is within ±0.004 mA at 20 mA output. The PIECAL 434 has a menu selectable of 250 Ohm resistor for HART compatibility.
General | |
Operating Temperature Range | -20 to 60 °C (-5 to 140 °F) |
Storage Temperature Range | -30 to 60 °C (-22 to 140 °F) |
Relative Humidity Range | 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing |
10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing | |
Size | 5.63 x 3.00 x 1.60 in, 143 x 76 x 41mm (LxWxH) |
Weight | 12.1 ounces, 0.34 kg (including boot & batteries) |
Batteries | Four “AA” Alkaline 1.5V (LR6) |
Optional AC Adaptors | 120 VAC 50/60 Hz [Part # 020-0100] 240 VAC 50/60 Hz [Part # 020-0101] |
Optional NiMh Rechargeable battery kit | 120 VAC for North America Only; charger, four NiMh batteries, AC & DC cords [Part # 020-0103] |
Low Battery | Low battery indication with nominal 1 hour of operation left |
Protection against misconnection | Over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds) |
Display | High contrast graphic liquid crystal display with 0.315” (8.0 mm) high digits. LED backlighting for use in low lit areas. |
Read mA | |
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) |
Voltage burden | ≤ 2V at 50 mA |
Overload/Current limit protection | 25 mA nominal |
Battery life | ≥ 125 Hours nominal ≥ 100 hrs with backlight on |
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 |
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