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576-6308

Alnor Balometer Comparative Specifications

.	Standard	Electronic	LoFlo	Jr.
Accuracy Supply cfm [m3/h]	±3% of full scale	±(3% of reading +7) [+12]	±(3% + 2) ± [3% + 3.4]	±5% of full scale
Exhaust cfm [m3/h]	±3% of full scale	±(3% of reading +7) [+12]	±(3% + 2) ± [3% + 3.4]	±5% of full scale
Temperature °F [°C]	N/A	±(0.5% of reading +1) [+0.5]	N/A	N/A
Range Supply/Exhaust cfm [m3/h]	0–2000 [0–3500]	50–2000 [85–3400]	10-500 [17-850] (4.7-236 l/s)	0–1400 [0–2400]
*Velocity fpm [m/s]	N/A	20–6000 [0.1–30]	N/A	N/A
Temperature °F [°C]	N/A	32–122 [0–50]	N/A	N/A
Resolution Volume	5 cfm from 25–200 cfm, 10 cfm from 100–500 cfm, 20 cfm from 400–1000 cfm, 50 cfm from 800–2000 cfm 10 m3/h from 50–350 m3/h, 10 m3/h from 200–900 m3/h, 25 m3/h from 700–1700 m3/h, 50 m3/h from 1400–3400 m3/h	0.1 cfm from 50–1000 cfm, 1 cfm from 100–2000 cfm 0.1 m3/h from 85–100 m3/h, 1 m3/h from 100–3400 m3/h	1 cfm from 10-500 cfm 1 m3/h from 17-850 m3/h 0.1 l/s from 4.7- 9.9 l/s, 1 l/s from 10 to 236 l/s	10 cfm from 0–200 cfm, 20 cfm from 100–600 cfm, 50 cfm from 400–1400 cfm 20 m3/h from 0–340 m3/h, 50 m3/h from 200–1000 m3/h, 100 m3/h from 1000–2400 m3/h
*Velocity	N/A	0.1 fpm from 20–100 fpm, 1 fpm from 100–6000 fpm 0.001 m/s from 0.1–1 m/s, 0.01 m/s from 1–10 m/s, 0.1 m/s from 10–30 m/s	N/A	N/A
Temperature	N/A	0.1°F or °C	N/A	N/A
*Relative Humidity	N/A	0.10%	N/A	N/A
Pressure Drop Across Instrument at 500 cfm [850 m3/h]	0.01 in. H2O [2.5 Pa]	0.01 in. H2O [2.5 Pa]	N/A	0.01 in. H2O [2.5 Pa]
Display	Precision- balanced meter movement	0.45 in high, 4-digit, 7-segment 0.15 in.. high, 2.5-digit, 7-segment memory indicator and 19 parameter indicators	3.5 digit, 0.44 in. (11 mm) high, digital display with 26 segment simulated analog display	Precision- balanced meter movement
Hood Sizes	16 x 16 in, 2 x 2 ft, 2 x 4 ft, 1 x 4 ft,1 x 5 ft, 3 x 3 ft (406 x 406 mm, 610 x 610 mm, 610 x 1220 mm, 305 x 1220 mm, 305 x 1525 mm, 915 x 915 mm)	16 x 16 in, 2 x 2 ft, 2 x 4 ft, 1 x 4 ft,1 x 5 ft, 3 x 3 ft (406 x 406 mm, 610 x 610 mm, 610 x 1220 mm, 305 x 1220 mm, 305 x 1525 mm, 915 x 915 mm)	16 x 16 in., 2 x 2 ft., or 26 x 26 in. (406 x 406 mm, 610 x 610 mm, or 650 x 650 mm)	2 x 2 ft (610 x 610 mm) and 16 x 16 in (406 x 406 mm)
Overall Dimensions	Height 40 in; base 17 x 17 in; width and depth variable. Height 1017 mm; base 432 x 432 mm; width and depth variable.	Height 36 in; base 20 in. dia. Height 914 mm; base 508 mm dia.	Height (base only) 15.5 in. Height with 2 x 2 ft. hood 34.5 in. Height with 16 x 16 ft. hood 22 in. Top opening 13.3 in. dia.	Height 34 in. with 2 x 2 hood. Height 864mm with 610 x 610mm hood base 14 x 14 in. (360 x 360 mm)
Detached Meter Dimensions	N/A	7.5 x 3.2 x 1.3 in (190 x 80 x 33 mm)	N/A	N/A
Detached Meter Weight	N/A	11 oz. (315 g)	N/A	N/A
Packaged Dimensions	29 x 14 x 25 in (737 x 356 x 635mm)	20 x 26 x 7 in. (737 x 356 x 635mm)	20 x 20 x 20 in (508 x 508 x 508mm)	(57 x 66 x 18cm)
Operating Weight	9.8 lbs (4.5 kg) with 2 x 2 ft hood	8.7 lbs (4 kg) with 2 x 2 ft hood	about 6 lbs (2.7 kg) with hood 4.6 lbs (2.1 kg) base only	6.9 lbs (3 kg)
Packaged Weight	less than 39 lbs (18 kg)	less than 29 lbs (13 kg)	15 lbs (6.8 kg)	18 lbs (8 kg)
Measurement Units	cfm: cubic feet per minute m3/h: cubic meters per hour l/s: liters per second	Standard on APM 150 fpm: feet per minute fps: feet per second mph: miles per hour m/s: meters per second km/h: kilometers per hour Rh: Relative humidity cfm: cubic feet per minute m3/h: cubic meters per hour l/s: liters per second F: degrees Fahrenheit C: degrees Celsius	cfm: cubic feet per minute m3/h: cubic meters per hour l/s: liters per second	cfm: cubic feet per minute m3/h: cubic meters per hour l/s: liters per second
Power Source	N/A	3 AA 1.5V alkaline batteries	4C 1.5V alkaline batt. (optional Nickel Cadmium)	N/A
Battery Life	N/A	10 hrs. minimum with continuous use	10 hrs. minimum with continuous use	N/A
Memory Capability	N/A	Up to 100 readings	N/A	N/A
Summing	N/A	99 x 109 in all units	N/A	N/A

*requires optional probe

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