Teledyne HFC-E-202 User Manual Page 1

INSTRUCTION MANUAL HFM-E-200/HFC-E-202 SERIES FLOWMETERS/CONTROLLERS TELEDYNE HASTINGS INSTRUMENTS ISO 9001CERTIFIED

HFM-E-200/HFC-E-202 Page 10 of 30 periodically during normal operation. Zero adjustment is required if there is a change in ambient

HFM-E-200/HFC-E-202 Page 11 of 30 2.7.3. Operation with an external sensor. (Fig. 2.2) In some instances, it might be desirable t

HFM-E-200/HFC-E-202 Page 12 of 30 3. Theory of Operation This section contains an overall functional description of HFC Flow Control

HFM-E-200/HFC-E-202 Page 13 of 30 3.4. Shunt: Measurement of flow rates higher than the 10 sccm full scale is achieved by di

HFM-E-200/HFC-E-202 Page 14 of 30 3.5. Valve: The control valve is an “automatic metering solenoid” valve. While most solenoids ope

HFM-E-200/HFC-E-202 Page 15 of 30 4. Maintenance This section contains service and calibration information. Some portions of the in

HFM-E-200/HFC-E-202 Page 16 of 30 SYMPTOM: Flow controller oscillates. CAUSE: Flow controller not adjusted for the dynamics of the

HFM-E-200/HFC-E-202 Page 17 of 30 4.3.2. Miscellaneous adjustments Periodically, during normal operation, the ZERO should be checked

HFM-E-200/HFC-E-202 Page 18 of 30 Where: Formula 1: Formula 2: uPQDσ0028.0= σdQDΡ•ΔΡ=0014.0 D = Diameter in inches Q = Flow

HFM-E-200/HFC-E-202 Page 19 of 30 4.8. REPLACEMENT PARTS The following is a list of the available replacement parts and their fact

HFM-E-200/HFC-E-202 Page 2 of 30 Manual Print History The print history shown below lists the printing dates of all revisions and ad

HFM-E-200/HFC-E-202 Page 20 of 30 5. Conversion Factor Table Rec # Gas Symbol GCF Derived Density Density Synonyms Gamma R Z

HFM-E-200/HFC-E-202 Page 21 of 30 48 Difluoroethylene C2H2F2 0.4492 4 2.617 - 2.857 - Vinylidenefluoride, G-1132A, Difluoroethene

HFM-E-200/HFC-E-202 Page 22 of 30 99 Isopentane C5H12 0.2175 4 2.949 - 3.219 - 2-methylbutane 1.2 115.24 1.8975 100 Isopropyl A

HFM-E-200/HFC-E-202 Page 23 of 30 152 R123A C2HCl2F3 0.2699 4 6.251 - 6.823 - 1,2-Dichloro-1,2,2- trifluoroethane 1.2 54.37 3.10

HFM-E-200/HFC-E-202 Page 24 of 30 6. WARRANTY 6.1. Warranty Repair Policy Hastings Instruments warrants this product for a period o

HFM-E-200/HFC-E-202 Page 25 of 30 7. Drawings 7.1. Notes: 1. Place jumper (Item 42) on pins 4 and 5 of P2 and P3 as shown. 2. Pl

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HFM-E-200/HFC-E-202 Page 3 of 30 Table of Contents 1. INSTALLATION AND OPERATION...

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HFM-E-200/HFC-E-202 Page 4 of 30 1. Installation and Operation The Hastings HFM-E-200 mass Flow-meter and HFC-E-202 Flow-controller

HFM-E-200/HFC-E-202 Page 5 of 30 1.2. Specifications Accuracy...

HFM-E-200/HFC-E-202 Page 6 of 30 1.3. Optional 4-20 mA Current Output An option to the standard 0-5 VDC output is the 4-20 mA curr

HFM-E-200/HFC-E-202 Page 7 of 30 2. Installation and Operation This section contains the necessary steps to assist in getting a new

HFM-E-200/HFC-E-202 Page 8 of 30 suggested that all connections be checked for leaks after installation. This can be done by pressu

HFM-E-200/HFC-E-202 Page 9 of 30 Pin 1 is the case ground. It should be connected to the cable shield if available and to the AC gr