Instrument Specifications:

# Instrument Type Measurement Range Accuracy Resolution Remarks
1 Tacometer 6 to 8,300 rpm 8,300 to 25,000 rpm 25,000 to 99,999 ± 1% of reading ± 2% of reading ± 0.006% of reading ± 5 rpm USA
2 Temperature Measurement Air Immersion Contact -40 to 240 oF ± 1% of reading 0.2 oF  
3 Avometer 0 to 600 VAC 0 to 600 Amps VAC ± 1.5% AAC ± 2% VDC ± 1% 1.0 Volt 0.1 Ampere Fluke
4 Micro manometer (DP-Calc) 0.05 to 50.00 in.w.g. ± 2% of reading 0.01 in.w.g. <1in.w.g.0.1in.w.g. >1in.w.g. USA
5 Rotating Vane 50 to 3936 fpm ± 1.5% of reading 20 fpm  
6 Humidity Measurement 10 to 90% RH 2% RH 1%  
7 Direct Reading Hood 25 to 2500 cfm ± 3% of reading Digital – 1 cfm USA
8 Pitot Tubes (2 required) 18” minimum, adequate length for intended use. N/A N/A 60” & 36”
9 Hydronic Differential Pressure Measurement (Hydronic Manometer) 0 to 200 ft.w.g. ± 1% of reading 1.0 in.w.g. UK