ATI Technologies UniSens A12 Series Manual Download Page 1

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Fax: 610-917-0992

Fax: + 44 (0)1457-874-468

O & M Manual

UniSens

2-Wire Gas Transmitter

Home Office

European Office

Analytical Technology, Inc.

ATI (UK) Limited

6 Iron Bridge Drive

Unit 1 & 2 Gatehead Business Park

Collegeville, PA 19426

Delph New Road, Delph

Phone: 800-959-0299

Saddleworth OL3 5DE

610-917-0991

Phone: +44 (0)1457-873-318

Fax: 610-917-0992

Fax: + 44 (0)1457-874-468

Email: [email protected] Email: [email protected]

Web: www.Analyticaltechnology.com

Summary of Contents for UniSens A12 Series

Page 1: ...logy Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 Fax 6...

Page 2: ...TION 20 CALIBRATION 21 SENSING MODULE ZERO ADJUSTMENT 22 SENSING MODULE SPAN ADJUSTMENT 23 CALIBRATION OF DUCT MOUNT SENSORS 24 MA OUTPUT ADJUSTMENT 25 UNDER RANGE ENABLE DISABLE SELECTION 25 AUTO TES...

Page 3: ...18 0 4 0 2000 PPM 0 10 Nitric Oxide 25 0 50 PPM 0 25 PPM 0 500 PPM Oxygen 19 0 25 0 10 0 100 Phosgene 20 0 2 PPM 0 2 PPM 0 200 PPM OXIDANT GASES Bromine 10 0 2 PPM 0 2 PPM 0 100 PPM Chlorine 11 0 10 P...

Page 4: ...ransmitter This memory contains information on what type of gas sensor is contained in the module the range of that particular module and the calibration constants for the sensor When the module is sn...

Page 5: ...Series A12 Unisens 2 Wire Transmitter O M Manual 5 Rev L 7 15 Figure 1 UniSens Transmitter Components...

Page 6: ...spaces with easy removal of the sensor for service The special mounting fitting provides a method for feeding calibration gas to the sensor without complete removal from the duct Duct mount sensors a...

Page 7: ...ft Application dependent but generally less than 3 per month Under Range Trip 20 when enabled Output Loop powered 4 20 mA 750 ohms maximum at 24 VDC loop power Power 12 30 VDC Enclosure NEMA 4X and Ex...

Page 8: ...required by the local electrical code The conduit or cable gland entry into the enclosure must be sealed with Dow Corning 732 multipurpose sealant The sealant should be liberally applied to the 3 4 1...

Page 9: ...conduit fasteners are used A mounting bracket is supplied with the transmitter for fastening the transmitter enclosure to a wall or mounting plate Figure 4 shows the hole center dimension for that mou...

Page 10: ...e 00 0814 adapter be screwed into the customer supplied adapter as shown in Figure 5 below Screw in the adapter so that the calibration gas inlet port is oriented in a direction that gas tubing can ea...

Page 11: ...30 second time delay on this trouble indication When a sensing module is removed the LCD display will begin counting down from 30 During the countdown the output will be held it s value prior to unpl...

Page 12: ...th ground connection point The transmitter module can be removed from the outer enclosure by gently rocking it back and forth while pulling out Sensing module holders are available with up to 5 feet o...

Page 13: ...Series A12 Unisens 2 Wire Transmitter O M Manual 13 Rev L 7 15 Figure 7 Remote Electrical Connections...

Page 14: ...sing module revision level XX Two digit gas code number see table 1 XXXX PPM Number indicating the full scale range of the sensing module Ur E Ur d Ur E Indicates that the signal trouble on under rang...

Page 15: ...period the 5 minute start up delay may not be sufficient for the sensor to completely zero Some sensors can take up to 30 minutes to completely stabilize when unpowered for an extended period of time...

Page 16: ...sor module or adjusting the 20 mA output value D Down Key Indicator activated when the magnetic control marked is activated E Up Key Indicator activated when the magnetic control marked is activated F...

Page 17: ...f menu selections Through menu selections the user can review information about the transmitter calibrate the transmitter manually activate the Auto Test function if installed simulate 4 different mA...

Page 18: ...Series A12 Unisens 2 Wire Transmitter O M Manual 18 Rev L 7 15...

Page 19: ...N MODE To review the transmitter information activate the MODE control until the display shows InFo and then activate the ENTER control The display will scroll through the same information shown durin...

Page 20: ...ity to simulate 4 different current output values in order to verify complete loop integrity and to calibrate receiving devices The output may be set to values of 4 0 12 0 and 20 0 and may also be set...

Page 21: ...alibration gas sources Calibration span gas for some gases such as HCl Ozone or Hydrides are either very expensive or not available at all Calibration of these sensors require specialized equipment an...

Page 22: ...available as part of all ATI calibration kits or may be obtained from any specialty gas supplier When zero air is to be used a calibration adapter part no 00 0248 must be used The calibration adapter...

Page 23: ...liable span gas If possible a span gas with a gas concentration of at least 25 of the full scale sensing module span is recommended For example if the full scale span is 20 PPM span gas of at least 5...

Page 24: ...nnection on the side See figure 11 below for the sensor orientation when in the calibrate position To zero and calibrate the duct sensor pull the sensor out of the duct until the retaining pin clicks...

Page 25: ...his function will be enabled so that sensor under range conditions greater than 20 full scale will cause the transmitter to output the trouble value of 3mA To disable this function start from the norm...

Page 26: ...will still perform its function Activating the ENTER key will clear the alarm Should the sensor detect a level above 50 of the full scale range the failure condition will be over ridden and the output...

Page 27: ...ule keeper 05 0017 Kit Wall Mounting Bracket SENSING MODULES range for each module must be specified No A T D10 With Auto Test D28 00 0211 00 0212 Bromine 00 0213 00 0214 Chlorine 00 0215 00 0216 Chlo...

Page 28: ...E10 28 Low Range Hydride 0 1000 PPB Gas Sensor 00 0279 E10 20 Phosgene Gas Sensor 00 0280 E10 34 Hydrogen Peroxide Gas Sensor 00 0292 E10 14 Low Range Ozone Gas Sensor 00 0681 E10 32 Super High Range...

Page 29: ...0 Phosgene 00 0822 G10 21 Hydrogen Chloride 00 0823 G10 22 Hydrogen Cyanide 00 0824 G10 23 Hydrogen Fluoride 00 0825 G10 24 Hydrogen Sulfide 00 0826 G10 25 Nitric Oxide 00 0827 G10 26 Nitrogen Dioxide...

Page 30: ...exposure to excessive gas concentrations Should inspection indicate that sensors have been expended rather than failed prematurely the warranty shall not apply The Manufacturer assumes no liability f...

Page 31: ...DUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O...

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