The PIECAL 311 has similar features as model 211 but the 311 has a secondary display of Ω in order to verify the RTD temperature and output.
Specifications
General
Accuracy
±(0.015% of Reading + 0.05 Ohms)
Temperature Drift
± 0.01% of span outside of 23°C ±10 °C (73°C ±18 °F)
Operating Temperature Range
-25 to 60 °C (-10 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 41 mm (L x W x H)
Weight
12.1 ounces, 0.34 kg (including boot & batteries)
Batteries
Four “AA” Alkaline 1.5V (LR6)
Battery Life
50 Hours
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 60 V dc (rated for 30 seconds)
Display
High contrast graphic liquid crystal display. LED backlighting for use in low lit areas.
Read
Excitation Current
0.9 mA to 401 Ohms, 0.4 mA to 4010 Ohms (nominal)
Normal Mode Rejection
50/60 Hz, 50 dB
Common Mode Rejection
50/60 Hz, 120 dB
Source
3 & 4 Wire Accuracy
From 1 to 10.2 mA
External Excitation Current
Below 1 mA of External
Excitation Current
2 Wire Accuracy
±(0.015% of Reading + 0.05 Ohms)
±(0.015% of Rdg + 0.025 mV + 0.05 Ohms)
mA Excitation Current
Add 0.1 Ohms to 3 Wire & 4 Wire Accuracy
Resistance Ranges
0.00 to 401.00, 0.0 to 4010.0 Ohms
Allowable Excitation
Current Range
400 Ohm Range:10.2 mA max; steady or pulsed/intermittent
4000 Ohms Range: 1 mA max; steady or pulsed/intermittent
Pulsed Excitation
Current Compatibility
DC to 0.01 second pulse width
Ranges & Accuracies
RTD Type
Alpha
Degrees C Range
°C
Degrees F Range
°F
Pt 100 Ohm
DIN/IEC/JIS 1989
Based on ITS-90
1.3850 (0.00385)
-200.0 to -150.0
-150.0 to 360.0
360.0 to 740.0
740.0 to 850.0
±0.1°
±0.2°
±0.3°
±0.4°
-328.0 to -238.0
-238.0 to 660.0
660.0 to 1364.0
1364.0 to 1562.0
±0.2°
±0.4°
±0.6°
±0.7°
Pt 100 Ohm
(Burns)
1.3902 (0.003902)
-195.6 to -100.0
-100.0 to 370.0
370.0 to 648.9
±0.1°
±0.2°
±0.3°
-320.1 to -148.0
-148.0 to 698.0
698.0 to 1200.0
±0.3°
±0.4°
±0.6°
Pt 100 Ohm
(Old JIS 1981)
1.3916 (0.003916)
-200.0 to -140.0
-140.0 to 130.0
130.0 to 370.0
370.0 to 648.9
±0.1°
±0.2°
±0.2°
±0.3°
-328.0 to -220.0
-220.0 to 266.0
266.0 to 698.0
698.0 to 1200.0
±0.2°
±0.3°
±0.4°
±0.5°
Pt 100 Ohm
(US Lab)
1.3926 (0.003926)
-200.0 to -140.0
-140.0 to 130.0
130.0 to 380.0
380.0 to 610.0
610.0 to 850.0
±0.1°
±0.2°
±0.2°
±0.3°
±0.4°
-328.0 to -220.0
-220.0 to 266.0
266.0 to 716.0
716.0 to 1130.0
1130.0 to 1562.0
±0.2°
±0.3°
±0.4°
±0.5°
±0.7°
Pt 1000 Ohm
DIN/IEC/JIS 1989
1.3850 (0.00385)
-200.0 to 170.0
170.0 to 470.0
470.0 to 730.0
730.0 to 850.0
±0.1°
±0.2°
±0.2°
±0.3°
-328.0 to 338.0
338.0 to 878.0
878.0 to 1346.0
1346.0 to 1562.0
±0.2°
±0.4°
±0.4°
±0.5°
Pt 1000 Ohm
Hy-Cal HVAC
1.3750 (0.00375)
-200.0 to 200.0
200.0 to 600.0
600.0 to 850.0
±0.2°
±0.3°
±0.4°
-328.0 to 392.0
392.0 to 1112.0
1112.0 to 1562.0
±0.4°
±0.6°
±0.7°
Copper 10 Ohm
(Minco)
1.4274 (0.004274)
-200.0 to -150.0
-150.0 to 260.0
±1.2°
±1.4°
-328.0 to -238.0
-238.0 to 500.0
±2.2°
±2.4°
Copper 50 Ohm
1.4280 (0.00428)
-50.0 to 150.0
±0.3°
-58.0 to 302.0
±0.5°
Ni 120 Ohm
(Pure)
1.6720 (0.00672)
-80.0 to 260.0
±0.1°
-112.0 to 500.0
±0.2°
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