Hach Ultra MET ONE 237AB, User Manual

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Section 1 Specifications
Specifications are subject to change without notice.
General
Size 170.94 mm x 58.42 mm x 165.10 mm (6.7" W x 4.5" H x 11.7" D)
Weight 3.0 kg (6.8 lb)
Maximum count displayed 9,999,999
Sample flow rate 0.1 cfm
Number of size ranges 2, 4, 5, 6 (specified at the time of order)
Particle size ranges
MET ONE 237A—0.5 and 5.0 micron (2 channel); 0.5, 0.7, 1.0 and 5.0 micron (4
channel); 0.5, 0.7, 1.0, 2.0 and 5.0 micron (5 channel); 0.5, 0.7, 1.0, 2.0, 3.0 and
5.0 micron (6 channel)
MET ONE 237B—0.3 and 5.0 micron (2 channel); 0.3, 0.5, 1.0 and 5.0 micron (4
channel); 0.3, 0.5, 0.7, 1.0 and 5.0 micron (5 channel); 0.3, 0.5, 0.7, 1.0, 2.0 and
5.0 micron (6 channel)
Coincidence error Less than 5% at 2,000,000 particles/cubic feet
Power +5 W, +10 V (approximately) (+6 V with battery pack)
Light source Laser diode
Sample/hold times 1 second to 24 hours
Count alarms 1 to 9,999,999 counts
Data storage 500 samples, rotating buffer
Count cycles Up to 100 in Auto mode
Locations Up to 250 (number appears on the printout)
Output RS232/RS485 for computer
Pump type Carbon-vane, 0.1 cfm
Battery type Rechargeable NiCd, 3500 mAH
Operation time 4 hours printing, 8 hours without printing
Environment
Operating temperature 2 to 29 °C (55 to 84 °F)
Operating humidity 10 to 85% relative, non-condensing
Storage temperature -40 to 71 °C (–40 to 160 °F)
Storage humidity Up to 98% relative, non-condensing