Teledyne HFM-60 - Manuals - manualsarea.com

Page 5 - Features

page 5 General Information SECTION 1 The Hastings Mass Flowmeter, HFM-60 is designed to accurately measure mass flow up to 70slpm with an accuracy of better than 3%. Hastings mass flow instruments do not require anyperiodic maintenance under normal operating conditions with clean gases. No damage wi...

Page 6 - Specifications

page 6 1.2 Specifications Accuracy ......................................................................................................................... <±3% F.S. Repeatability ................................................................................................. ±0.2% of F.S.(typi...

Page 9 - Receiving and Inspection; Mechanical Connections

page 9 Installation SECTION 2 This section contains the necessary steps to assist in getting a new flowmeter in operation as quicklyand easily as possible. Please read the following thoroughly before attempting to install the instru-ment. W W W W WA R N I N G A R N I N G A R N I N G A R N I N G A R ...

Page 13 - Overall Functional Description; flow

page 13 Theory of Operation SECTION 3 This section contains an overall functional description of the HFM-60. Detailed schematics andparts lists can be found at the end of the manual in Section 5.0. In this section and other sectionsthroughout this manual, it is assumed that the customer is using the...

Page 14 - Length of tube; empera

page 14 3.3 Base The 6061 aluminum alloy base has a 1" square cross-section and is 3.375" long (with end cap).The internal flow channel is 0.812" diameter with in and out 304L stainless steel fittings 1/4" NPTto 1/4" Swagelok fittings. 3.4 Shunt The flow rate of interest determin...

Page 16 - Electronic Circuitry

page 16 3.5 Electronic Circuitry The HFM-60 employs a thermal flow sensor (capillary tube described in section 3.2) to measurethe flow which is proportional to the total flow through the instrument. The sensor develops adifferential voltage output signal proportional to flow which is approximately 1...

Page 17 - Maintenance

page 17 4.1 Authorized Maintenance With proper care in installation and use, the flowmeter will require little or no maintenance. Ifmaintenance does become necessary, most of the instrument can be cleaned or repaired in the field.Some procedures may require recalibration. Do not attempt these proced...

Page 18 - Adjustments

page 18 4.3 Adjustments Calibration Procedure (See figure 4.1) 1. Connect power to pins 1 and 2 as specified in Section 2.5. Allow the instrument to warm up for 30 minutes with 10% flow. 2. Completely shut off the flow and wait for 2 minutes. For the standard 0-5VDC output, adjust the zero potentiom...

Page 19 - End Cap Removal

page 19 4.4 End Cap Removal The end cap on the inlet side must be removed to gain access to the filter and shunt assembly.First remove power and shut off the supply of gas to the instrument. Disconnect the Swagelokfittings on the inlet and outlet sides of the transducer and remove it from the system...

Page 21 - Warranty Repair Policy

page 21 Warranty and Repair SECTION 5 5.1 Warranty Repair Policy Hastings Instruments warrants this product for a period of one year from the date of shipment to be freefrom defects in material and workmanship. This warranty does not apply to defects or failures resulting fromunauthorized modificati...