Page 2 - Manual Print History
140-072011 200/202 Series Page 2 of 24 Manual Print History The print history shown below lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between ...
Page 3 - Table of; Contents
140-072011 200/202 Series Page 3 of 24 Table of Contents 1. GENERAL INFORMATION ....................................................................................................................................4 1.1. F EATURES ..........................................................................
Page 4 - General Information; Features
140-072011 200/202 Series Page 4 of 24 1. General Information The Hastings HFM-200 mass flow meter and HFC-202 flow controller are designed to accurately measure and control mass flow over the range of 10 sccm to 30 slm, without corrections or compensations for gas pressure and temperature with an a...
Page 5 - Specifications HFM-200; Specifications HFC-202
140-072011 200/202 Series Page 5 of 24 1.2. Specifications HFM-200 * Accuracy 1 and Linearity ........................................................................................................................ ±1% F.S. Repeatability .................................................................
Page 6 - Hastings Power supplies; ±15 Volt Supply
140-072011 200/202 Series Page 6 of 24 1.4. Optional 4-20 mA Current Output An option to the standard 0 - 5 VDC output is the 4 - 20 mA current output that is proportional to flow. The 4 - 20 mA signal is produced from the 0 - 5 VDC output of the flow meter. The current loop output is useful for rem...
Page 7 - Interconnecting Cables
140-072011 200/202 Series Page 7 of 24 1.5.2. Interconnecting Cables Cables are available from Hastings, in various lengths, to connect from the 15 pin "D" connector on the back of the Power Pod directly to any of the 200 series and 300 series flow instruments (including digital versions). M...
Page 8 - Installation and Operation; Receiving Inspection; Output Signal; at a voltage less than the specified minimimum voltage will cause
140-072011 200/202 Series Page 8 of 24 2. Installation and Operation This section contains the steps necessary to install a new flow meter/controller into operation as quickly and easily as possible. Please read the following thoroughly before attempting to install the instrument. 2.1. Receiving Ins...
Page 9 - Mechanical Connections; Standard Configuration; LFE Configuration
140-072011 200/202 Series Page 9 of 24 2.4. Mechanical Connections 2.4.1. Standard Configuration The flow meter may be mounted in any position as long as the direction of gas flow through the instrument follows the arrow marked on the bottom of the flow meter case label. The preferred orientation is...
Page 10 - Electrical Connections
140-072011 200/202 Series Page 10 of 24 EXAMPLE: Suppose a 4” LFE is selected. The length of 4” diameter tubing or pipe, upstream of the sensor inlet tap, will be a minimum of 20“. The minimum length of 4” tubing or pipe downstream from the sensor outlet tap will be 4”. The length of additional 4” i...
Page 11 - Operation; Operating Conditions
140-072011 200/202 Series Page 11 of 24 24 Volt Connections Refer to the diagram to the right when connecting 24 Volt units. Connect the positive lead of the power supply to pin 7 of the DE-9 connector and negative lead to pin 4. The supply input is diode protected such that reversing the input pola...
Page 12 - Operation with External Devices; Operation with a Hastings power supply.
140-072011 200/202 Series Page 12 of 24 2.6.2. Zero Check Turn the power supply on if not already energized. Allow for a 1 hour warm-up. Stop all flow through the instrument and wait 2 minutes. Caution: Do not assume that all metering valves completely shut off the flow. Even a slight leakage will c...
Page 13 - Hastings Power Supply Feature Guide; Operation with a Power Supply other than a Hastings
140-072011 200/202 Series Page 13 of 24 The “COMMAND” pot adjusts the Analog command signal sent to the flow controller. The setting for each controller connected to the power supply can be observed. (Depending on how the power supply was set up, the display could indicate in flow units or percent o...
Page 14 - Response to Command Changes; Normal
140-072011 200/202 Series Page 14 of 24 2.7.3. Operation with an external sensor (Fig. 2.2) In some instances, it might be desirable to use an external sensor to provide process information to the control circuitry in the flow controller. For example, you might want to control the pressure in a vacu...
Page 16 - Theory of Operation; Sensor
140-072011 200/202 Series Page 16 of 24 3. Theory of Operation This section contains a functional description of Hastings flow controllers. Detailed schematics and parts lists can be obtained by contacting Hastings using the contact information found at the end of this document. In this section and ...
Page 18 - Valve
140-072011 200/202 Series Page 18 of 24 3.5. Valve The control valve is an “automatic metering solenoid” valve. While most solenoids operate in either the fully open or fully closed state, the automatic metering solenoid valve is designed to control flow (see Figure 3.5). A spring, connected to the ...
Page 19 - Authorized Maintenance
140-072011 200/202 Series Page 19 of 24 4. Maintenance This section contains service and calibration information. Some portions of the instrument are delicate. Use extreme care when servicing the flow controller. 4.1. Authorized Maintenance With proper care in installation and use, the flow controll...
Page 20 - ADJUSTMENTS
140-072011 200/202 Series Page 20 of 24 CAUSE: Plugged orifice. ACTION: Verify the presence of a 10-50 psig pressure across the instrument. If present, shut off gas supply and power supply. Remove orifice per Section 4.9. Examine orifice. If plugged, clean or replace as applicable. Reassemble valve....
Page 21 - Miscellaneous adjustments; End Cap Removal
140-072011 200/202 Series Page 21 of 24 4.3.2. Miscellaneous adjustments Periodically, during normal operation, the ZERO should be checked and adjusted when required. If the instrument is not shutting completely off when the Valve Override CLOSE function is active, or a command of zero flow has been...
Page 24 - Warranty and Repair; Warranty Repair Policy; Non-Warranty Repair Policy; TOLL FREE
140-072011 200/202 Series Page 24 of 24 5. Warranty and Repair 5.1. Warranty Repair Policy Hastings Instruments warrants this product for a period of one year from the date of shipment to be free from defects in material and workmanship. This warranty does not apply to defects or failures resulting ...
