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CTO? <br /> MacDonald-Miller <br /> FACILITY SOLUTIONS <br /> Instrument Calibration Record <br /> Calibration <br /> Function Range Accuracy I Resolution Model & Serial Numbers Date <br /> Rotational Measurement <br /> 60-5000 ±2% of Read 1 Model # Extech -461995 <br /> Tachometer RPM ± 2 RPM RPM I Serial # H433669 3/25/2024 <br /> Temperature Measurement <br /> Thermometer Model # ET MS-T&H-101 3/6/2024 <br /> 0°F Serial # 24J-00131 <br /> Air ±0.5%of Model # ET MS-PR-T-2 3/8/2024 <br /> Probe to Reading 0 1°F Serial # 2400102 <br /> Immersion or Model # ET PR-T-4-6 3/8/2024 <br /> Probe 200OF 2.0°F Serial # 2400162 <br /> Contact Model # ET MS-PR-T-2 3/6/2024 <br /> Probe Serial # 2400102 <br /> Electrical Measurement <br /> Volts 1-600 ±2% of 1 Volt Model # Fluke 902 FC 3/15/2024 <br /> VAC Reading Serial # 58112300MV <br /> 0.1 -100 or Model # Fluke 902 FC <br /> Amperes 0.1 Ampers 3/15/2024 <br /> Amps ±5 Digits Serial # 58112300MV <br /> Air Pressure &Velocity <br /> 0- 10.0 ±2% of Read ±0.001 w.g. Model # Evergreen S-PVF-1 <br /> Pressure 3/4/2024 <br /> in W.G. ±0.001" w.g. <_1" w.g. Serial # 24D-00203 <br /> Velocity 100 to 3500 ±5% of Read Model # Evergreen S-PVF-1 <br /> (Pitot Tube) FPM ±7 FPM 1.0 FPM Serial # 24D-00203 3/4/2024 <br /> Velocity 50 to 6000 ±3% of Read Model # TSI 9545-A <br /> (Hot Wire) FPM ±3 FPM 1.0 FPM Serial # 9545A1904010 2/29/2024 <br /> Digital Direct 100 to 2000 ±5% of Read Model # 3# Hood <br /> 1.0 CFM 5/25/2021 <br /> Reading Hood CFM ±7 CFM Serial # 2100217 <br /> Humidity Measurement <br /> 10 to 90% Model # TSI 9545-A <br /> Humidity RH ±3% RH 1.00% Serial # 9545A1904010 2/29/2024 <br /> Hydronic Measurement <br /> Pressure 0.4 to 200 ±2% or Read 0.1 Model # Alnor HM675 2/29/2024 <br /> Measurement PSI 1 PSI PSI Serial # 71705048 <br /> A Pressure 0.4 to 75 ±2% or Read 0.01 Model # Alnor HM675 2/29/2024 <br /> Measurement PSI 0.5 PSI PSI Serial # 71705048 <br /> Date Updated 4/9/2024 <br /> Page 4 of 14 <br />