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The PIECAL 901 is a millamp, voltage and pressure calibrator that finds hidden loop problems. The PIE 901 allows you to check, calibrate and measure all your current, voltage and pressure instruments in a 4 to 20 milliamp DC loop. This calibrator can simultaneously output 24V DC to power any and all devices in a process loop using the internal batteries and internal switching power supply, while measuring the output of a 2 Wire Transmitter and any other loop devices.
Unless otherwise indicated all specifications are rated from a nominal 23°C, 70% RH for 1 year from calibration
| General | |
| Operating Temperature Range | -20 to 60 °C (-5 to 140 °F) |
| Storage Temperature Range | -30 to 60 °C (-22 to 140 °F) |
| Temperature effect | ≤ ± 0.005 %/°C of range for the temperature ranges -20 to 18°C & 28 to 60°C |
| Relative Humidity Range | 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing |
| 10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing | |
| Isolation: | Voltage: 60 V rms between all mA & voltage functions / Pressure Common Mode: 50/60 Hz, 100 dB |
| Normal Mode Rejection | 50/60 Hz, 50 dB |
| Noise | ≤ ± ½ Least Significant Digit ??? |
| Size | 5.63 x 3.00 x 1.60 inches, 143 x 76 x 41 mm (L x W x H) |
| Weight | 12.1 ounces, 0.34 kg (including boot & batteries) |
| Batteries | Four “AA” Alkaline 1.5V (LR6) |
| Optional AC Adaptor | 100 to 240 VAC 50/60 Hz [Part # 020-0104] |
| Optional NiMh Rechargeable battery set | Four NiMh batteries [Part # 020-0105] |
| Low Battery | Low battery indication with nominal 1 hour of operation left |
| Protection against misconnection | Over-voltage protection to 60 vrms (rated for 30 seconds) |
| Display | High contrast color graphic liquid crystal display with LED backlighting for use in low lit areas. Switch to DARK MODE for use in bight sunlight. |
| 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 | ≤ 3V at 20 mA |
| Overload/Current limit protection | 25 mA nominal |
| Battery life | Alkaline ≥ 10 hours NiMH ≥ 15 hours |
| Battery Charging | |
| Charge Time | <11.5 hours |
| Source mA/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) |
| Loop compliance voltage | ≥ 24 DCV @ 20.00mA |
| Loop drive capability - Leak Detection Off Loop drive capability - Leak Detection On | 1200 Ω at 20 mA 950 Ω with Hart Resistor enabled 1000 Ω at 20 mA 750 Ω with Hart Resistor enabled |
| Battery life | Alkaline ≥ 7.5 Hours nominal NiMH ≥ 10 Hours nominal |
| mA 2-Wire Transmitter Simulation | |
| Accuracy | Same as Source/Power & Measure |
| Voltage burden | ≤ 3V at 20 mA |
| Overload/Current limit protection | 25 mA nominal |
| Loop voltage limits | 3 to 60 VDC (fuse-less protected from reverse polarity connections) |
| DC Voltage Read | |
| Range and Resolution | -60.000 to 60.000 VDC |
| Accuracy | ≤ ± (0.02 % of Reading +0.01% Full Scale) |
| Input resistance | ≥ 2 MΩ |
| Battery life | Alkaline ≥ 9 hours NiMH ≥ 15 hours |
| Source DC Voltage | |
| Range and Resolution | 0.000 to 24.000 VDC |
| Accuracy | ≤ ± (0.02 % of Reading +0.01% Full Scale) |
| Source Current; Sink Current | ≥ 20 mA; > 16 mA |
| Output Impedance | < 0.3 Ohm |
| Short Circuit Duration | Infinite |
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