The PIECAL 322-1 is a fast, easy to use thermocouple calibrator with automatic output stepping. The 322-1 works with types J, K, T and E thermocouples. This thermocouple calibrator can calibrate from -13.000 to +80.000 mV.
New! Screw terminal for T/C wire plus miniature T/C socket
Specifications
General
Accuracy
±(0.008% of Reading + 0.006 mV)
Cold Junction Compensation
± 0.09°F (±0.05 °C) - Thermistor traceable to NIST for 11 years
Millivolt Range
-13.000 to 80.000 mV
Operating Temperature Range
-25 to 60 °C (-10 to 140 °F)
Temperature Effect
≤ ±50 ppm/°C; Cold Junction Sensor ≤ ±25 ppm/°C
Relative Humidity Range
10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing
10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing
Size
L=5.63 x W=3.00 x H=1.60 inches
Weight
12.1 ounces (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 life 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
Input Impedance
> 10 Megohms
Open Thermocouple
Threshold
Pulse
10,000 Ohms nominal
< 10 microamp pulse for 300 milliseconds
Normal Mode Rejection
50/60 Hz, 50 dB
Common Mode Rejection
50/60 Hz, 120 dB
Source
Output Impedance
< 0.3 Ohms
Source Current
> 20 mA (drives 80 mV into 10 Ohms)
Noise
≤ 4 microvolts p-p for frequencies of 10 Hz or below
Thermocouple Ranges & Accuracies
Based on ≤ ± (0.008 % of Reading + 0.006 mV)
T/C
Degrees CRange
°C
Degrees FRange
°F
T/CMaterial
J
-200.0 to -180.0
±0.3°
-328.0 to -292.0
±0.5°
+Iron
-Connstantan
Jacket
-180.0 to -50.0
±0.2°
-292.0 to -58.0
±0.4°
-50.0 to 500.0
±0.1°
-58.0 to 932.0
±0.2°
500.0 to 1200.0
±0.2°
932.0 to 2192.0
±0.4°
K
-230.0 to -100.0
±0.6°
-382.0 to -148.0
±1.1°
+ Chromel®
-Alumel® Jacket
-100.0 to 1050.0
±0.2°
-148.0 to 1922.0
±0.4°
1050.0 to 1371.1
±0.3°
1922.0 to 2500.0
±0.5°
T
-260.0 to -200.0
±1.0°
-436.0 to -328.0
±1.8°
+Copper
-Constantan
Jacket
-200.0 to -50.0
±0.5°
-328.0 to -58.0
±0.9°
-50.0 to 0.0
±0.2°
-58.0 to 32.0
±0.4°
0.0 to 400.0
±0.1°
32.0 to 752.0
±0.2°
E
-240.0 to -200.0
±0.4°
-400.0 to -328.0
±0.7°
+Chromel
-Constantan
Jacket
-200.0 to -100.0
±0.2°
-328.0 to -148.0
±0.4°
-100.0 to 850.0
±0.1°
-148.0 to 1562.0
±0.2°
850.0 to 1000.0
±0.2°
1562.0 to 1832.0
±0.4°
Note: Doesn’t include cold junction errorof ±0.05°C
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