INSTRUCTION MANUALDetcon Model DM-700DM-700 Toxic Gas SensorsDM-700 O2Deficiency SensorsThis manual covers all ranges of electrochemical and O2deficie
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 6 of 4810. The sensor power supply common (black wire) must be referenced to the metal enclosure b
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 7 of 48Additional Placement ConsiderationsThe sensor should not be positioned where it may be spra
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 8 of 48When mounting on a pole, secure the Junction Box to a suitable mounting plate and attach th
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 9 of 48NOTE:A conduit seal is typically required to be located within 18" of the J-Box and Se
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 10 of 48Table 1 Wire Gauge vs. DistanceAWG Wire Dia. Meters FeetOver-CurrentProtection22 0.723mm 7
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 11 of 48NOTE: If the 4-20mA output is not being used, a 100-250Ω resistor must be installed betwee
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 12 of 48a) Attach the calibration adapter to the threaded sensor housing or connect tubing to inte
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 13 of 483. Operation3.1 Programming Magnet Operating InstructionsThe Operator Interface of the Mod
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 14 of 483.2 Operator InterfaceThe operating interface is menu-driven via the two magnetic program
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 15 of 48Software FlowchartdecLEGEND:PGM1 - Program Switch Location #1PGM2 - Program Switch Locatio
Model DM-700Model DM-700 iiPage intentionally blankShipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381Mailing Address: P.O. Box
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 16 of 483.4 Calibration Mode3.4.1 AutoZeroThe AutoZero function is used to zero the sensor. AutoZe
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 17 of 48The AutoSpan function is used to span calibrate the sensor. AutoSpan should be performed p
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 18 of 48NOTE:Upon entering Calibration Mode, the 4-20mA signal drops to 2mA and is held at thislev
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 19 of 484-20mA output will be taken to 0mA and the ‘Clearing Fault’ fault bit will be set on theMo
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 20 of 48Gas TypeThe menu item appears as: “ Gas Type = H2S”Range of DetectionThe menu item appears
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 21 of 483.5.2 Set AutoSpan LevelSet AutoSpan Level is used to set the span gas concentration level
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 22 of 48From the “Set Range” text scroll, hold the programming magnet over PGM1 or PGM2 until the
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 23 of 48revert to factory default values. This may be required if the settings have been configure
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 24 of 48In-Calibration StatusWhen the sensor is engaged in AutoZero or AutoSpan calibrations, the
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 25 of 48Clearing Fault - AutoSpanIf the sensor fails the signal stability criteria (Section 3.4.2)
Model DM-700Model DM-700 iiiTable of Contents1. Introduction ...
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 26 of 48Temperature FaultIf the detector is currently reporting an ambient temperature that is out
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 27 of 484. RS-485 Modbus™ ProtocolModel DM-700 sensors feature Modbus™ compatible communications p
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 28 of 48FC REG Content Description R/W Content DefinitionValue Meaning Range03/0640012 Special #2
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 29 of 485. Service and Maintenance5.1 Calibration FrequencyIn most applications, quarterly span ca
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 30 of 48ITMBottom ViewDisplayWindowPlug in SensorBottom viewLockingSetscrewLockingSetscrewPlace pr
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 31 of 48h) Perform Set AutoSpan Level, Set Serial ID, Set Range, and then perform a successful Aut
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 32 of 486. Troubleshooting GuideRefer to the list of Failsafe Diagnostic features listed in Sectio
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 33 of 48 Check validity of span gas using pull tube or other means (check MFG date on cal gas cyl
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 34 of 48 Verify Power source is stable. Verify field wiring is properly shielded and grounded.
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 35 of 487. Customer Support and Service PolicyDetcon HeadquartersShipping Address: 4055 Technology
Model DM-700Model DM-700 iv10. Revision Log...
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 36 of 488. DM-700 Sensor WarrantyIntelligent Plug-in Sensor WarrantyDetcon Inc. warrants, under no
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 37 of 489. Appendix9.1 SpecificationsSystem SpecificationsSensor Type: Continuous diffusion/adsorp
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 38 of 48Electrical SpecificationsInput Voltage: 11-30 VDCPower Consumption: Normal operation = 30m
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 39 of 48Table 4 Sensor Specific DataGasGasName Part Number1ResponseTime(seconds)SpanDriftTemperatu
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 40 of 489.2 Interference TableReference Table 5 to match the interfering gas symbol with the gas n
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 41 of 48Table 6 Cross Interference Table pg.1GasC2H30 C2H2C3H3N Alcohols Amines NH3AsF3AsF5AsH3BF3
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 42 of 48Table 6 Cross Interference Gasses pg.2GasCO2CS2CO COS CL2CLO2CLF3B2H6C2H6S Si2H6C3H5OCL C2
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 43 of 48Table 6 Cross Interference Gasses pg.3GasC2H4C2H4O CH2O GeH4N2H4C-H's C-H's (U)
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 44 of 48Table 6 Cross Interference Gasses pg.4GasHSe H2S C3H8O CH4CH3OH C4H8O CH3SH NO N2NO2O3COCL
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 45 of 48Table 6 Cross Interference Gasses pg.5GasPF3SiH4Si SiF4SO2C4H8S C4H4S C6H5CH3WF6C4H6O2C2H3
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 1 of 481. Introduction1.1 DescriptionDetcon Model DM-700 toxic gas and O2deficiency sensors are no
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 46 of 489.3 Proper Application and Maintenance of Acrylonitrile SensorAcrylonitrile (ACN) is a ver
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 47 of 489.4 Spare Parts, Sensor Accessories, Calibration EquipmentPart NumberSpare Parts927-245500
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 48 of 4810. Revision LogRevision Date Changes made Approval2.1 09/24/2008 Previous issue N/A2.2 04
6-32 threadedGround point(+)mA(-)A(+)B(-)Wiring toSensor AssemblyWhtBluRedGrnBlkExplosionProofJunction Box(+)mA(-)A(+)B(-)(+)mA(-)A(+)B(-)CustomerSupp
Model DM-700This page left intentionally blankShipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381Mailing Address: P.O
(+)mA(-)A(+)B(-)Wiring toSensor AssemblyWhtBluRedGrnBlkExplosionProofJunction Box(+)mA(-)N/UA(+)B(-)CustomerSupplied WiringTransient Protection Module
Model DM-700This page left intentionally blankShipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381Mailing Address: P.O
detcon inc.MODELDM-700H2S SensorREVISION HISTORYThe information and technical data disclosed bythis document may be used and disseminatedonly for the
Model DM-700This page left intentionally blankShipping Address: 4055 Technology Forest Blvd., The Woodlands Texas 77381Mailing Address: P.O
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 2 of 48Figure 2 Construction of Galvanic Cell1.2 Sensor Electronics DesignIntelligent Transmitter
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 3 of 48MODELDM-700detcon inc.H2S Sensordetcon inc.Program Switch #1Program Switch #2Splashguard Ad
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 4 of 481.4 Intelligent Plug-in Electrochemical Gas SensorThe Detcon family of electrochemical gas
Model DM-700DM-700 Instruction Manual Rev. 4.0 Page 5 of 482. Installation2.1 ATEX Operational Guidelines for Safe Use1. Install sensor only in areas
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