Practical Instrument Electronics 850 - Manual (Page 38)

Page 36
Pr
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Specifications
General
Operating Temp Range
-20 to 60 °C (-5 to 140 °F)
Storage Temp Range -30 to 60 °C (-22 to 140 °F)
Temperature effect ≤ ± 0.01 %/°C of Full Scale
Relative Humidity
Range
10 % ≤RH ≤90 % (0 to 35 °C),
Non-condensing
10 % ≤RH≤ 70 % (35 to 60 °C),
Non-condensing
Common Mode Rejection 50/60 Hz, 100 dB
Normal Mode Rejection 50/60 Hz, 50 dB
Noise
≤ ± ½ Least Significant Digit from 0.1 to 10 Hz
Size 5.63x3.00x1.60” 143x76x41mm (LxWxH)
Weight 12.1 ounces, 0.34 kg with boot & batteries
Batteries Four “AA” Lithium 1.5V (LR6)
Battery life Read Functions ≥ 20 hours; Read
Pressure ≥ 7 hours
Source mA: ≥ 14 hours @ 12 mA into 250Ω
≥ __ hours @ 30 mA into ___ Ω
Pwr/Meas: ≥ 12 hours @ 20 mA, ≥ 4.5
hours @ 50 mA
Source V, Ω, T/C, pH, RTD & Hz ≥ 20 hours
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)
Red LED indicates OVERLOAD or out
of range conditions
Display High contrast graphic liquid crystal display,
0.315” (8.0 mm) high digits, backlighting