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Specifications
Recommended System Requirements
Models 1028 and 1029 Specifications
Characteristic
Details
Operating System
Windows 8.1, Windows 7, or Windows XP (32-bit or 64-bit)
Note: Windows XP is not recommended since Microsoft no lon-
ger supports it.
Computer
Minimum
• Processor: x486
• Total RAM: 128 MB
• Disk space: 10 MB
• USB port: one
• Display resolution: 1024 x 768
• Color depth: 32-bit
Description
Value
Measurement Range
0.1 to 9999 picocuries/liter (pCi/l) or 1 becquerels per cubic meter
(Bq/m
3
) to 99.99 kilo becquerels per cubic meter (kBq/m
3
)
Accuracy
±25% or 1 pCi/l, whichever is greater after 24 hours
Detector
Diffused-junction photodiode
• Model 1028—quantity 1
• Model 1029—quantity 2
Active volume—9.4 cm
3
Dome volume—63 cm
3
Measurement Interval
0.5 (1029 only), 1, 2, 4, 8, 12, 16, 20 or 24-hour intervals, select-
able by user
Test Duration
1, 12, 24, 36, 48, 60, 72, 84, 96, 100, 999 hours, selectable by
user (maximum of 720 measurements)
If 999 is selected, measures until memory is full or to 720 data
points, whichever occurs first
Sensitivity
• 1028—3 counts per hour per picocurie per liter (cph/pCi/l)
• 1029—6 counts per hour per picocurie per liter (cph/pCi/l)
Display
16-digit reflective LCD display
Status Light
Green LED (light emitting diode) indicates radon detections
Keypad
6-digit membrane switches with multiple functions
Disturbance Sensor
Inertial switch
Environmental sensors
(1029 only)
• Temperature—0 to 120 ± 2 degrees F
• Pressure—10 to 15 ± 0.5 psi
• Humidity—20 to 90% relative humidity ± 5%
Operating Environment • 45 to 95° F (7 to 35° C)
• 20 to 80% relative humidity, non-condensing
Table 1. Models 1028 and 1029 Technical Specifications
