Valco Instruments Co. Inc. 340-0X Instruction Manual

Dynacalibrator

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Valco Instruments Co. Inc.

Manufactured by:

Valco Instruments Co. Inc.

8300 Waterbury

Houston, TX 77055

North America, South America, and Australia/Oceania contact:

Dynacalibrator

Model 340

Instruction Manual

Valco Instruments Co. Inc.

800 · 367· 8424

sales

713 · 688· 9345

tech

713 · 688· 8106

fax

valco@vici.com

Europe, Asia, and Africa contact::

VICI AG International

Schenkon, Switzerland

Int + 41 · 41 · 925· 6200

Int + 41 · 41 · 925· 6201

info@vici.ch

Rev 9/13

phone

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Table of Contents

Summary of Contents for Valco Instruments Co. Inc. 340-0X

Page 1 Valco Instruments Co. Inc. Dynacalibrator Model 340 Instruction Manual Manufactured by: Valco Instruments Co. Inc. 8300 Waterbury Houston, TX 77055 Rev 9/13 North America, South America, and Australia/Oceania contact: Europe, Asia, and Africa contact:: Valco Instruments Co. Inc. VICI AG International 800 ·...
Page 2 Symbols used in this document Attention Radiant heat warning Entanglement warning Electrical warning...
Page 3: Table Of Contents
Table of Contents Introduction General Description.......................... 1 Dynacal® Permeation Devices...................... 1 How to Use This Manual........................1 Basic Design ............................1 Options ..............................4 Input Conﬁgurations ......................4 Rack Mount Options......................4 Special Customer Options....................4 Speciﬁcations............................5 Getting Started ............................6 Initial Receiving Inspection/Check ....................
Page 4 Table of Contents (continued) Advanced Theory of Operation ......................27 Plumbing Conﬁgurations ......................27 Conﬁguration 0 ........................28 Conﬁguration 1 ........................28 Conﬁguration 2 ........................29 Conﬁguration 3 ........................29 Conﬁguration 4 ........................29 Conﬁguration 5 ........................31 Electrical Description ..........................32 Maintenance ..............................33 Instrument Inspection and Cleaning ..................33 Carrier Flow Rate Veriﬁcation ......................34 Dilution Flowmeter Calibration ....................34 Chamber Temperature Calibration ...................35...
Page 5: Introduction
Introduction General Description ® ® VICI Metronics Dynacalibrators use Dynacal permeation devices to generate the precise gas concentrations necessary for calibrating air pollution analyzers, monitors, and other instruments that measure gas concentrations in the parts- per-million range and lower. Dynacalibrators are available in three models, each with a large variety of optional features to ﬁt a wide range of calibration requirements.
Page 6 Introduction As indicated in Figure 1, the carrier stream passes through scrubber #1 and 30-micron line ﬁlter LF1 to the differential pres sure regulator DPR1. The scrubber contains spe cially-activated charcoal designed for broad-based scrubbing action. This scrubbing medium is particularly effective in removing sulfur dioxide and other sulfur compounds.
Page 7 Introduction The ﬂow rate through the ﬂowmeter needle valve is a function of the differential pressure across it and the setting of the dilution ﬂow control valve. This differen- tial is maintained at 3.2 psi by DPR2. The needle valve is adjustable at the front panel.
Page 8: Options
Introduction Options The following paragraphs provide general information on each, with more detailed information found in “Advanced Theory of Operation” on page 27. Input Conﬁgurations There are six different input plumbing conﬁgurations available. The units may be equipped with or without an internal pump. Units without internal pumps can be sup plied with one or two gas supply inlet ports (carrier and dilution).
Page 9: Specifications
Introduction Speciﬁcations Operational Operational Output concentration range Fractional ppb to hundreds of ppm Carrier flow rate (nominal) 80 and 175 sccm, factory set and specified per unit Dilution flow rate (nominal) 1,2,5,10,15, and 20 L/min full scale Dilution flowmeter accuracy +1% at each major flow setting above 3 +3% at 1,2, and 3 at 25°C ambient, Permeation chamber...
Page 10: Getting Started
Getting Started Every Dynacalibrator is completely calibrated, thoroughly tested and inspected, and carefully packed prior to shipment. The carrier has assumed responsibility for its safe delivery upon acceptance of the shipment. Initial Receiving Inspection/Check On receipt of your unit, before signing the waybill and releasing the carrier’s agent, inspect the shipment for the following: 1.
Page 11: Concealed Damage
Getting Started TAPE ON INNER AND OUTER CARTONS OUTER CARTON CORNER INNER BLOCKS CARTON POSITIONING SUPPORT MEMBER Figure 3: Dynacalibrator packaging Concealed Damage Concealed damage is damage which is not apparent until after the equipment has been unpacked and examined or tested. In the event that concealed damage is discovered, a written request for inspection must be forwarded to the carrier’s agent within 15 days of the delivery date.
Page 12: Unit Location
Getting Started Unit Location In general, the Dynacalibrator should be as close as possible to the analyzer to be calibrated, as long as: • the ambient temperature is at least 2°C below the selected operating temperature of the permeation chamber. •...
Page 13: Rear Panel Connections
Bypasses Vents Sample Supply Carrier Dilution Stream Span Zero Carrier Dilution Overflow Chamber Model 340-0X 340-1X 340-2X 340-3X 340-4X 340-5X 340-0X-Z 340-1X-Z 340-2X-Z 340-3X-Z 340-4X-Z 340-5X-Z Table 1: Dynacalibrator Model 340 rear panel connections X = Required connection O = Optional connection...
Page 14: Carrier/Dilution Inlets
Getting Started On all units with an internal pump, the supply inlet port is internally connected directly to the suction side of the pump. Since the output of the pump is equipped with a particulate ﬁlter and activated-charcoal scrubbers, the supply inlet port should normally be left unconnected, completely open, and clear of any obstructions, ex cept as noted below for dusty environments.
Page 15: Bypass Loops
Getting Started Bypass Loops Only those Dynacalibrators with internal pumps are equipped with ﬁttings for bypass loops in either or both the carrier and dilution streams (input conﬁgura- tions -3X, -4X and -5X). The ﬁttings – labeled CARRIER OUTLET, CARRIER INLET, DILUTION OUTLET, and DILUTION INLET –...
Page 16: Front Panel Controls And Indicators
Getting Started Front Panel Controls and Indicators The section entitled “Advanced Theory of Operation” beginning on page 27 includes more detailed information on the interrelation of the front-panel controls and indicators with the internal pneumatic and electrical ﬂow of the units. MAIN POWER switch, indicator, and circuit breaker The push-button switch provides primary power to all circuits.
Page 17: Mode Selector Switch And Indicators
Getting Started Metronics Inc. OVEN TEMPERATURE DYNACALIBRATOR UPPER LIMIT MODEL 340 30° 120° SHUTDOWN CHAMBER MODE FLOWMETER INDICATORS ZERO SPAN REMOTE CHAMBER FLOW MODE SELECTOR PERMEATION CHAMBER MODE CONTROL TEMPERATURE °C LOCK TEMPERATURE DILUTION DISPLAY FLOWMETER MAIN HEATER PERMEATION CHAMBER DILUTION DILUTION FLOW...
Page 18: Calculations
Calculations Concentration of the permeant compound in the span outlet stream is inversely proportional to the carrier ﬂow rate through the chamber. It is determined using the following equation: K * P Concentration (ppm) = Where: K = 24.45 / molecular weight of gas P = permeation rate in ng/min (information included with the permeation device documentation) F = Chamber carrier ﬂow (ml/min)
Page 19: Initial Power Up
Initial Power-Up Basic Connections 1. Plug the power cable from the main power connector on the rear panel of the calibrator to a 110 VAC power source (220 VAC with Model 340-C). 2. If you do not have the pump option: Connect the carrier gas source (50 psi maximum pressure) to the carrier inlet on the rear panel.
Page 20: Setting The Chamber Temperature Manually
Initial Power-Up The front panel displays the current chamber temperature and the control status of the instrument, indicated by the PNL and TMP lights. (Refer to Figure 4 on page 13.) The chamber temperature can be set manually through the controls on the front panel or remotely through RS-232 communication.
Page 21: Setting The Chamber Temperature Via Serial Port (Rs-232)
Initial Power-Up Setting the Chamber Temperature via Serial Port (RS-232) Refer to the section titled “Serial Port Communications” on page 20. Installing the Permeation Device(s) 1. Turn off the heater power switch. 2. With the tool provided, rotate the panel lock screw 90° counterclockwise. 3.
Page 22: Verifying Operation
Verifying Operation 1. Connect a piece of tubing of the proper length to the span outlet ﬁtting on the rear panel, leaving the analyzer end of the tubing disconnected. Ensure that all other tubing is properly connected. 2. Adjust the permeation chamber temperature to deliver the required rate of permeation.
Page 23 Verifying Operation Check that there is gas ﬂow out of the overﬂow vent and the stream outlet, but not out of the chamber vent. 10. If remote control will be used, turn the mode selector switch to the REMOTE position, and program the unit for ZERO mode. 11.
Page 24: Serial Port Communication
Serial Port Communication The Dynacalibrator Model 340 can be monitored and controlled remotely by means of a serial port connection and a terminal emulation program such as ® HyperTerminal. The unit is controlled by entering two-character commands, shown in the table below.
Page 25 Serial Port Communication 2. Click “Cancel” . Since no modem is involved, this information is not necessary. The following screen will appear: 3. Click “OK” , which reveals the next screen: 4. Enter a name, such as “dyna340” , and select an icon to associate with the ﬁle. Then click “OK”...
Page 26 Serial Port Communication 6. Select the appropriate COM port and click “OK” to bring up this screen: 7. Set the port parameters as indicated above, and click “OK” . 8. Now we are at the dyna340 HyperTerminal screen (below). Select “File” , then “Properties:...
Page 27 Serial Port Communication Click “Settings” 9. On the dyna340 Properties screen (above), click “Settings” to bring up the screen below. Click “ASCII Setup...”...
Page 28: Entering Commands
Serial Port Communication 10. Click “ASCII Setup” and set the parameters as indicated below. Click “OK” . 11. When the screen returns to Dyna340 HyperTerminal (page 22, bottom illustra- tion), click “File” , then “Save” to save this Dynacalibrator Model 340 communi- cations setup.
Page 29: Analyzer Calibration
Analyzer Calibration After the power-up procedure has been completed and the chamber tempera- ture and permeation device have reached equilibrium, the Dynacalibrator is ready to be connected to the analyzer being calibrated. Use a minimum length of tubing for the connection, and make sure none of the calibrator’s vents are blocked.
Page 30: Shutdown Procedure
Shutdown Procedure Dynacalibrators are designed to operate continuously; however, if it is necessary to turn the unit off, use the following procedures: 1. Turn off the heater power switch. 2. With the tool provided, rotate the panel lock screw 90° counterclockwise. 3.
Page 31: Advanced Theory Of Operation
Advanced Theory of Operation Dynacalibrator operation is based on the principle of mixing a known mass ﬂow of gas derived from a permeation device with a metered stream of clean carrier/ dilution gas to generate a precise concentration of span gas. User-selectable calibration gases originate from Dynacal permeation devices which are maintained at a user-selectable constant temperature within the Dynacalibrator’s permeation chamber.
Page 32: Configuration 0
Advanced Theory of Operation this number to indicate the carrier ﬂow (and the oriﬁce used). Refer to page 4 for information about the available ﬂow capacity ranges. Many of the plumbing components of the Dynacalibrator are rated for the differ- ent ﬂow capacities of items such as for the main pump, the dilution ﬂowmeter, etc.
Page 33: Configuration 2
Advanced Theory of Operation Conﬁguration 2 Pump P1 (Figure 7) draws gas in through the supply inlet on the back panel and delivers it to accumulator AC1. The accumulator smoothes out ﬂow ﬂuctua- tions generated by the pumping action and provides a port for releasing pump backpressure through pressure relief valve RV1, set at 5 psig.
Page 34 Advanced Theory of Operation BACK PRESSURE REGULATOR ACCUMULATOR BPR1 SUPPLY INLET MAIN PUMP FILTER CARRIER OUTLET BYPASS DILUTION LOOP STREAM CARRIER STREAM CARRIER INLET FILTER Figure 8: Diagram of Conﬁguration 3 BACK PRESSURE REGULATOR ACCUMULATOR BPR1 SUPPLY INLET MAIN PUMP FILTER DILUTION OUTLET...
Page 35: Configuration 5
Advanced Theory of Operation Conﬁguration 5 in this conﬁguration (Figure 10), pump P1 draws gas in through the supply inlet on the back panel and delivers it to accumulator AC1. The accumulator smoothes out ﬂow ﬂuctuations generated by the pumping action and provides a port for releasing pump backpressure through pressure relief valve RV1, set at 5 psig.
Page 36: Electrical Description
Electrical Description The basic wiring of the Model 340 is shown schematically in Figure 11. Dynacali- brators are powered from a benchtop style transformer on the rear panel. This is a switcher-style supply that allows a range of input voltage and frequency from 100 to 240 VAC at 50-60 Hz.
Page 37: Maintenance
Maintenance Since the Dynacalibrators are designed for and generally used in applications that require continuous service, a planned routine maintenance program is highly recommended. Routine maintenance consists of inspection, cleaning, calibration, and leak checks. The table below lists the recommended checks and maintenance frequencies for continuous and non-continuous use.
Page 38: Carrier Flow Rate Verification
Maintenance 9. Inspect all assembly mountings for loose hardware, and tighten as necessary. 10. Rinse the fan screen and fan ﬁlter in clean water and blow dry with low- velocity air. 11. Reinstall the fan, fan ﬁlter, fan screen brackets, and fan screen using the four screws, lockwashers, and hex nuts.
Page 39: Chamber Temperature Calibration
Maintenance Chamber Temperature Calibration Prior to shipment, the permeation chamber digital temperature control is calibrated against the temperature of the gas in the permeation chamber using an NIST-traceable PRT, (platinum resistance thermometer). The results of this calibration have been supplied with your instrument. At this point, it is helpful to give an overview of the total calibration process.
Page 40: Troubleshooting
Troubleshooting If you intend to perform detailed troubleshooting on your Dynacalibrator, please ﬁrst read the section entitled “Advanced Theory of Operation” which starts on page 27. The ﬂow diagrams included there will provide signiﬁcant help. Most gas ﬂow problems can be isolated to a particular component using a low- pressure air source and a pressure gauge.
Page 41: Component Isolation Method
Troubleshooting 4. Isolate the leak by using a small quantity of leak detection ﬂuid on each possible leak point in the suspect loop. Watch carefully for the bubbling or foaming effect that characterizes a leak. Most leaks that arise under internal pressures of 20 inches of water will be small.
Page 42: Other Pneumatic Issues
Troubleshooting 7. Once a section of the loop has been deter mined to be leak free, go to the next ﬁtting downstream of the point of the previous check and repeat the previous procedure starting at step 3 above. When the end of the loop has been reached by the previous sequential troubleshooting procedure, this check can be considered completed.
Page 43: Model Number Breakdown
Model Number Breakdown Model Base Model 23 - Basic gas generator, continuous supply 34 - Intermediate generator, with zero and span functions 45 - Multiple modes, with zero, span, and bypass functions 50 - Two chambers (A and B), with selector for zero, A, B, or A+B Flow Control and Metering Methods 0 - Manual/pneumatic control, mechanical/pneumatic metering 5 - Electronic control, digital numeric metering...
Page 44: Warranty
Warranty This Limited Warranty gives the Buyer speciﬁc legal rights, and a Buyer may also have other rights that vary from state to state. For a period of 90 calendar days from the date of shipment, VICI Metronics Inc. (hereinafter Seller) warrants the goods to be free from defect in material and workmanship to the original purchaser.

This manual is also suitable for:

340-1x 340-2x 340-3x 340-4x 340-5x 340-0x-z ... Show all