HFM-401/405 - Teledyne Hastings Instruments

• A digitally reported status of alarms and warnings such as overflow/underflow• A flow totalizer to track the amount of gas added to a system• A digitizing channel for an auxiliary analog signal• An internal curve fitting routine for “fine tuning” the base calibration• An alternate calibration set of 8 different ranges/gases1.2. SpecificationsWARNINGDo not operate this instrument in excess of the specificationslisted below. Failure to heed this warning can result in seriouspersonal injury and/or damage to the equipment.Performance HFM-I-401 HFM-I-405Full Scale Flow Ranges(in N 2 ) 0-10 slm up to 0-350 slm 0-100 slm up to 0-2500 slmAccuracy 1 Standard: ± 1% full scale Standard: ± 1% full scaleOptional: ± (0.5% reading + 0.2%FS)Optional: ± (0.5% reading + 0.2%FS)Repeatability ± 0.1% of F.S. ± 0.1% of F.S.Operating Temperature -20 to 70°C -20 to 70°CWarm up time 30 min for optimum accuracy 30 min for optimum accuracy2 min for ± 2% of full scale 2 min for ± 2% of full scaleSettling Time/ReponseTime < 2.5 seconds (to within ± 2% of full scale) < 2.5 seconds (to within ± 2% of full scale)Temperature Coefficientof Zero < ±0.05% of Full Scale /°C < ±0.05% of Full Scale /°CTemperature Coefficientof Span < ±0.16% of reading/°C < ±0.16% of reading/°COperating Pressure -Maximium Standard: 500 psig Standard: 500 psigOptional: 1500 psigOptional: 1000 psigPressure Coefficient ofSpan < 0.01%of reading /psi (N 2 , 0-1000 psig) < 0.01%of reading /psi (N 2 , 0-1000 psig)Pressure Drop(N 2 @14.7psia) < 1.1 psi at full scale flow < 5.1 psi at full scale flowAttitude Sensitivity ofZero < 2% of F.S. < 2% of F.S.Electrical18-38 VDC, 3.5 watts(Ethernet) 2.518-38 VDC, 3.5 watts(Ethernet) 2.5Power Requirements watts(RS232/485)watts(RS232/485)Analog Output Standard: 4 – 20 mA Standard: 4 – 20 mAOptional: 0-10 VDC, 0-20 mA, 0-5 VDC, 1-5 VDC Optional: 0-10 VDC, 0-20 mA, 0-5 VDC, 1-5 VDCDigital Output Standard: RS 232 Standard: RS 232Optional: RS 485 Optional: RS 485Optional: EthernetOptional: EthernetAnalog Connector Std: Terminal Block – M16 Cable Gland Std: Terminal Block – M16 Cable GlandOptional: 12 pin Circular ConnectorOptional: 12 pin Circular ConnectorDigital Connector 4 pin, D-coded M12 4 pin, D-coded M12401-405 SERIES - 2 -