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20 • T2A Transmitter

7. Allow the detector to warmup for the appropriate amount of time as shown below,

depending on the sensor type.

8. The T2A is factory-calibrated before shipping from RKI. If a full calibration is desired at

startup, see page 35.

Detection Gas

Warmup Time

After an Extended

Time Off Power

Warmup Time

After a Short

Time Off Power

Ammonia

12 hours

4 hours

Carbon Monoxide

2 hours

10 minutes

Chlorine

Chlorine Dioxide

Hydrogen Chloride

12 hours

Hydrogen Cyanide

Hydrogen Fluoride

2 hours

Hydrogen Sulfide

Nitric Oxide

12 hours

12 hours

Nitrogen Dioxide

2 hours

10 minutes

Oxygen

Ozone

Phosphine

Sulfur Dioxide

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Содержание 71-0529

Страница 1: ...T2A Operator s Manual Part Number 71 0529 Revision P9 Released 3 25 21 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 2: ...ssential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type of use you have and the sensor types Typical cal...

Страница 3: ...s or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LI...

Страница 4: ...on intrusivecalibration Strong magnetic fields may interfere with the non intrusive magnetic switches A strong magnetic field may momentarily active a switch or permanently disable the switch to the o...

Страница 5: ...s 22 Powering the Device 22 Faults 23 Accessing Menus 23 Product Settings and Configuration 24 Entering the Product Settings and Configuration Menu 24 Alarm Test 24 System Information 25 Zero Calibrat...

Страница 6: ...requency 35 Materials 35 Zeroing the Sensor 36 Calibrating the Sensor Manual Cal 37 Calibrating the Sensor Auto Cal 39 Parts List 42 Appendix A 4 20 mA Signal 44 www GlobalTestSupply com Find Quality...

Страница 7: ...oncentration of gas being detected by the sensor assembly This document is an operation manual containing diagrams and step by step instructions for the proper and safe installation start up configura...

Страница 8: ...pm Cl 1 Div 2 Nitrogen Dioxide 0 20 0 ppm 0 1 ppm Oxygen 0 25 0 0 1 volume Ozone 0 100 ppm 1 ppm Phosphine 0 5 0 ppm 0 1 ppm Cl 1 Div 1 Sulfur Dioxide 0 20 ppm 1 ppm Sampling Method Diffusion Enclosur...

Страница 9: ...cribed in this manual Maximum Current Draw 35 mA Operating Temperature Range 40 C to 60 C 40 F to 140 F Humidity Range 0 98 relative humidity non condensing Signal Output 4 to 20 mA 2 wire Enclosure M...

Страница 10: ...n 7 Sensor housing assembly 2 Front panel thumbscrew 8 Rain guard 3 Enclosure 9 Magnetic tool 4 Explosion proof plug 10 ADD button 5 SUB button 11 Enclosure lid locking screw 6 Mounting hole 12 Displa...

Страница 11: ...tion 1 Faceplate assembly 4 Faceplate mounting screws 2 Power input 4 20 mA output terminal block 5 Microcontroller module mounting screws 3 Sensor housing socket 6 Microcontroller module www GlobalTe...

Страница 12: ...sor housing cap with flame arrestor for Class 1 Div 1 assemblies without flame arrestor for Class 1 Div 2 assemblies 3 Sensor housing plug 8 Rain guard 4 Sensor housing base 9 Enclosure ground screw 5...

Страница 13: ...procedures Select a site that is representative of the monitoring environment and where the target gas is likely to accumulate or where it is most likely to leak The T2A should not be installed near a...

Страница 14: ...14 T2A Transmitter Figure 4 T2A Dimensions 0 25 5 50 6 00 2 00 9 16 4 49 7 16 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 15: ...ical code The cable and cable bushing cable gland sent with the assembly are not explosion proof WARNING If installed in a classified area use appropriate construction technique to maintain the explos...

Страница 16: ...e end of the cable has a connector and the other has ferruled wires 4 Feed the connector end of the cable through a conduit hub at the amplifier junction box WARNING If installed in a classified area...

Страница 17: ...tem out of the enclosure It can rest on the edge of the enclosure NOTE Disconnecting the sensor connector plug from the sensor housing will allow for the complete removal of the internal system from t...

Страница 18: ...cable s drain wire Closing the Enclosure 1 Place the internal system back into the enclosure matching each mounting post to its corresponding eyelet anchored within the base of the enclosure 2 Using t...

Страница 19: ...1 Complete the installation procedures described earlier in this manual 2 Verify that the power wiring is correct and secure 3 Turn on the power source 4 Verify that the controller is on and operating...

Страница 20: ...Gas Warmup Time After an Extended Time Off Power Warmup Time After a Short Time Off Power Ammonia 12 hours 4 hours Carbon Monoxide 2 hours 10 minutes Chlorine Chlorine Dioxide Hydrogen Chloride 12 hou...

Страница 21: ...Operating Mode While in Normal Operating Mode the T2A continuously samples the air and updates the measured concentration of the target gas on the display screen The display when in Normal Operating M...

Страница 22: ...scribe how to power off and power on the T2A once power has been applied Powering Off Powering off the device stops the operation of the unit The Product Settings and Configuration as well as the oper...

Страница 23: ...of the display appears on both screens The unit continuously registers that the system is in fault When the fault is corrected the unit will return to normal operating mode For a list of the fault co...

Страница 24: ...ings and Configuration menu is activated and open on the display screen NOTE After 5 minutes of no interaction with the device the unit will automatically return to normal operating mode Alarm Test Th...

Страница 25: ...ct Settings and Configuration menu and return to Normal Operating Mode System Information The system information screen allows the end user to view the following information The scale of the sensor el...

Страница 26: ...button to scroll through the rest of the Product Settings and Configuration menu and return to Normal Operating Mode Calibration Method NOTE HCl It is recommended that HCl versions only be calibrated...

Страница 27: ...rift This drift can cause variances in the amount of current output by the sensor or in the current measurement by the controller If at any time the reading on the T2A no longer matches the reading on...

Страница 28: ...setting screen Display Screen Contrast Setting The display screen contrast is the difference in luminance or color that makes the displayed images distinguishable Due to varying external elements such...

Страница 29: ...efault does not change the gas type 1 If necessary enter the Product Settings and Configuration menu by pressing and holding the MENU button for 6 seconds 2 Press and release the MENU button until the...

Страница 30: ...et to the factory default settings ALL configuration steps MUST be repeated and the device MUST then be zeroed and calibrated for proper operation of the device Reset Zero Calibration Values Resetting...

Страница 31: ...d maintenance should include the zero and calibration of the sensor see page 35 and an alarm test see page 24 The sensor head should be kept free of airborne particles dirt mud spider webs bugs and in...

Страница 32: ...it if it has turned amber T2A Fault Codes Problem Cause s Solution s F4 Check Sensor Board The control board has lost communication with the sensor interface board 1 Replace the sensor interface board...

Страница 33: ...e non hazardous Keep the sensor housing cap and enclosure lid tightly closed during operation CAUTION The internal components can be static sensitive Use caution when opening the enclosure and handlin...

Страница 34: ...cap is only tightened hand tight 7 Press the ADD button to turn the T2A on 8 Allow the detector to warmup for the appropriate amount of time as shown below depending on the sensor type Detection Gas...

Страница 35: ...ork environment Materials 0 5 LPM fixed flow regulator with knob WARNING If calibrating with Cl2 or HCl a regulator must be dedicated for use with that gas only Do not use that dedicated regulator for...

Страница 36: ...1 While the product is in normal operating mode press the MENU button to activate the Operation Settings menu 2 Press the ADD button to begin the zero process and advance to the clean air confirmatio...

Страница 37: ...tings and Configuration Menu see page 26 NOTE HCl It is recommended that HCl versions only be calibrated using Auto Cal but they can be calibrated using Manual Cal if desired O2 If calibrating with 10...

Страница 38: ...Use the ADD and SUB buttons to finish adjusting the reading on the screen to match the concentration listed on the calibration cylinder For detectors using a surrogate gas adjust the reading to match...

Страница 39: ...ormal Operating Mode press MENU twice 3 Press the ADD button to select Yes to begin the calibration process and to advance to the calibration confirmation screen If you do not wish to calibrate the se...

Страница 40: ...ring calibration the display shows a countdown of the time remaining until the process is complete The amount of time varies based on the gas type NOTE Once the calibration countdown has started the p...

Страница 41: ...T2A Transmitter 41 15 Use the MENU button to Normal Operating Mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 42: ...Sensor nitric oxide NO for up to 250 ppm full scale 66 0008 Sensor nitrogen dioxide NO2 20 ppm full scale 66 0009 2 Sensor ozone O3 66 0010 Sensor sulfur dioxide SO2 20 ppm full scale 66 0012 Sensor c...

Страница 43: ...81 0190RK 04 Calibration cylinder 5 ppm Cl2 in nitrogen 34 liter aluminum 81 0192RK 02 Calibration cylinder 2 ppm Cl2 in nitrogen 58 liter 81 0192RK 04 Calibration cylinder 2 ppm Cl2 in nitrogen 34 li...

Страница 44: ...signal a broken wire or an unresponsive instrument Benefits of 4 20 mA convention are that it is an industry standard low cost to implement can reject some forms of electrical noise and the signal do...

Страница 45: ...ly is malfunctioning or the controller is malfunctioning A digital multi meter DMM or current meter may be used in conjunction with the controller and or to test the 4 20 mA current loop signal To mea...

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