|
P/N: COM-3800
|
|
Product name
|
Highly Accurate Air Ion Counter (Bi-Polar Type) COM-3800 [Discontinued] |
|
Detectable ion
|
Positive/Negative small air ions
|
|
Measurement method
|
Ebert Gerdien capacitor method
|
|
Detectable mobility
|
Ranges of small ions | What is a small ion?
|
|
Dimensions
|
W130xH205xD250 (mm) (projections not included)
|
|
Weight
|
Approx. 4.5kg
|
|
Internal power supply
|
Nickel-Metal Hydride battery
|
|
External power supply
|
AC adaptor 100-240VAC (50/60Hz) input, 12VDC output
|
|
Battery charging time
|
approx. 4 hours
|
|
Operation hours
|
approx. 2.5 hours when fully charged
|
|
How to charge
|
Turn off the ion counter and connect the AC adaptor. The charge indication LED turns on while charging and it turns off when the charging is completed. It does not charge while measurement is in progress.
|
|
Consumption power
|
Approx. 3.3W
|
|
Measurement range of the built-in thermometer
|
0-50C (32-122F) +/- 1%
|
|
Measurement range of the built-in hygrometer
|
5-95% +/- 5%
|
|
Measurement range
|
0 - 5,000,000 (pcs/cc).
Range1: R1 = 0 - 8,000 (pcs/cc)
Range2: R2 = 0 - 50,000 (pcs/cc)
Range3: R3 = 0 - 500,000 (pcs/cc)
Range4: R4 = 0 - 5,000,000 (pcs/cc)
|
|
Minimum detectable ion density
|
1 (pcs/cc)
|
|
Data collection
|
10 (times/sec)
|
|
Collected data display
|
3 (times/sec)
|
|
Display
|
16 x 2 dot-matrix LCD 16 characters LCD & Back light with dimmer function
|
|
Operating temperature range
|
5-35C (41-95F)
|
|
Operating humidity range
|
85% R.H. or below (no condensation)
|
|
Storage temperature range
|
Room temperature
|
|
Storage humidity range
|
Room humidity (no condensation)
|
|
Accessories
|
·100-240VAC compatible AC adaptor
·RS-232C cable
·RS-232C cable (reverse)
·USB serial conversion cable
·Specially designed software
·Specially designed aluminum box
·Tripod
·Instruction manual
·Warranty card
·Radium sheet for test operation
|
|
Made in
|
Japan 
|
|
Limited Warranty
|
1 year from the date of receipt
|
What is a Negative Ion? (13)
