(Unless otherwise indicated all specifications are rated from a nominal 23 °C,
General
Accuracy
Cold Junction Compensation
Millivolt Range
Operating Temperature Range
Relative Humidity Range
Size
Weight
Batteries
Battery Life
Optional NiMh Rechargeable battery kit
Low Battery
Protection against misconnection
Display
Read
Input Impedance
Open Thermocouple
Threshold
Pulse
Normal Mode Rejection
Common Mode Rejection
Source
Output Impedance
Source Current
Noise
Optional: T/C Wire Kit 1 for Types J, K, T & E
Optional: T/C Wire Kit 2 for Types B, R/S & N
Three feet (1 meter) of T/C extension wire, stripped on one end with a miniature T/C
male connector on the other end.
Standard Test Leads (Included with calibrator)
Three feet (1 meter) of wire with an alligator clip on one end and a spring loaded
protected banana plug on the other end.
Optional Ni-MH 1 Hour Charger w/4 Ni-MH AA Batteries
(100-120 V AC input for North America Only)
Please contact an authorized sales representative at 800-346-4620 or order at www.Instrumentation.com
Page 8
PIECAL 422 Specifications
70 % RH for 1 year from calibration)
±(0.008% of Reading + 0.006 mV)
± 0.16°F (±0.1 °C)
-13.000 to 80.000 mV
-25 to 60 °C (-10 to 140 °F)
10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing
10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing
L=5.63 x W=3.00 x H=1.60 inches
12.1 ounces (including boot & batteries)
Four "AA" Alkaline 1.5V (LR6)
50 Hours
120 VAC for North America Only; charger, four NiMh
batteries, AC & DC cords [Part # 020-0103]
Low battery indication with nominal 1 hour of life left
Over-voltage protection to 60 V dc (rated for 30 seconds)
High contrast graphic liquid crystal display. LED backlighting
for use in low lit areas.
> 10 Megohms
10,000 Ohms nominal
< 10 microamp pulse for 300 milliseconds
50/60 Hz, 50 dB
50/60 Hz, 120 dB
< 0.3 Ohms
> 20 mA (drives 80 mV into 10 Ohms)
≤ 4 microvolts p-p for frequencies of 10 Hz or below
Accessories
Practical Instrument Electronics
Part No. 020-0202
Part No. 020-0203
Part No. 020-0207
Part No. 020-0103
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