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13

6.3 Earth 

 

You connect terminal at low of case.   

You take care of the electric shock by an incomplete earth, the effect of ambient noise and unnecessary 

emission noise. 

Summary of Contents for GT-1010

Page 1: ...1 Transmitter And Detector for Combustible Toxic Gases GT X 1010 VER 3 3 07 02 Instruction Manual WISE CONTROL GED http www wisegas com ...

Page 2: ...allation method 7 6 Wiring 9 6 1 Detector wiring for GT 1010 9 6 2 Detector wiring for GX 1010 11 6 3 Earth 13 7 Operation 14 7 1 Operation mode 14 7 2 Calibration for GT 1010 15 7 3 Calibration for GX 1010 or GX 1010D 16 8 Others 17 8 1 Surge protect 17 8 2 Toxic protect 17 8 3 Repair and examination 17 8 4 Measuring gases 18 ...

Page 3: ... WISE CONTROL for the use made of them WARNING Do not open the transmitter enclosure with power applied unless it is verified that no combustible gases or vapors are present A portable gas detection instrument should be used to ensure that the area is clear of any combustible gases Calibration or maintenance should not be performed if there is any indication of the presence of combustible gas at t...

Page 4: ...s a risk of explosion and fire by gas leakage and you may install the indicator in the safe area and easy monitoring area The GTX 1010D version allows the cell to be used in remote mode up to 15 meters standard allowing detection in extreme inaccessible location or in Zone 0 in the case of the intrinsically safe IS version Smart Sensors are made of 316L stainless steel robust and resistance to cor...

Page 5: ... sensor lifetime Linear DC 4 to 20 mA output retransmission It has a microprocessor GTX 1010 transmitters are installed at the place using gases by raw materials supplying gases or the place can be leak gas like industrial areas gas charging sites petrochemical plants chemical plants etc And it can protect industrial calamity by detecting gas leakage and notifying in advance Then it can be applied...

Page 6: ... PF 3 4 PT NPT available 3 wire shielded 20 secs at T90 3 offset month 36 to 60 month 30 to 50 ºC Below 95 R H Toxic Gas Depending on the GasElectrochemical Integrated Diffusion or Suction Yes 18 to 30 VDC 25 mA DC 4 20mA 250 Ω Ex d IIC T6 Aluminium Diecasting SUS 316L PF 3 4 PT NPT available 2 wire shielded Depending on the sensor 3 offset month 12 to 48 month 25 to 55 ºC Below 95 R H Flammable T...

Page 7: ... to the wall you may arrange the hole for fixation of detector Please refer figure 5 1 2 When you install it by a bracket you may follow a special installation procedure 3 When you install it to a outdoor you may secure a sufficient installation area because detector need to install with whether proof cover Please refer to figure 5 2 4 You may choose the installation point with due regard to follo...

Page 8: ...8 그림 5 1 Wall mounting whether proof cover Fig 5 2 Pipe Mounting Whether Proof Cover 240 U Bolt Nut 2 Pipe 2B Stanchion 159 174 240 224 7 HOLE 135 ...

Page 9: ...a wire has a large section area of wire Terminal 1 connect with power Terminal 2 connect with power Permitted length 1 25 SQ 1 8Km 2 5 SQ 3 0Km 6 1 2Transmitter output One transmitter output is supplied Terminal 2 connect with output Terminal 3 connect with output Permitted length wire resistance 500 Ω 6 1 3Sensor Generally sensor is supplied for connected state with transmitter from the factory I...

Page 10: ...10 6 1 4 Single Case Wiring TERMINATION for GM 1000 6 1 5 Milti Unit Case Wiring TERMINATION for MC 2100 series ...

Page 11: ... W In order to protect a voltage drop by a wire resistance you may use a wire has a large section area of wire Terminal 1 connect with power Terminal 2 connect with power Permitted length 1 25 SQ 1 8Km 2 5 SQ 3 0Km 6 2 2 Sensor Generally sensor is supplied for connected state with transmitter from the factory In case of you have to change the sensor in your local Unavoidably Terminal 3 S red wire ...

Page 12: ...rmination for MC 2100 Series Notice When you wiring you may off the power of instrument If you put on off the cable when the power is loaded then the electronic circuit can be destroyed When you install this detector into hazardous location you may use the explosion proof cable gland ...

Page 13: ...13 6 3 Earth You connect terminal at low of case You take care of the electric shock by an incomplete earth the effect of ambient noise and unnecessary emission noise ...

Page 14: ...peration mode 2 Transmission output is changed from 4 to 20 mA depend on the gas measuring range 3 The signal through a line is transmitted to indicator than you adjust contact signal to fit a local condition 7 1 3 Sensor trouble alarm When the gas sensor is damaged or lead wire is snapped 1 Transmission output is 2 mA 1 mA for GX 1010 or GX 1010D 2 If transmission output is decreased below 2 mA b...

Page 15: ...nnect multimeter rod to CP4 check pin and connect multimeter rod to CP5 check pin If 4 20mA is not connect to output terminal than you may short terminal 2 and 3 3 At the clean air environment set the check value is fitted to 40 mV by controlling ZERO variable 7 2 4 SPAN setting 1 After zero setting at the clean air environment inject the standard gas to sensor by using of adapter 2 After gas inje...

Page 16: ...ltimeter rod to CP4 check pin and connect multimeter rod to CP5 check pin 3 At the clean air environment set the check value is fitted to 40 mV by controlling ZERO variable 7 2 4 SPAN setting 1 After zero setting at the clean air environment inject the standard gas to sensor by using of adapter 2 After gas injection set the check value is corresponded to gas concentration by controlling SPAN varia...

Page 17: ...sor is decreased If you have to measure a gas leakage in this environment then you may use the toxic protected sensor 8 3 Repair and Examination 8 3 1 Examination with the naked eye more than 1 time per month Harmful materials inflow check on sintered metal Sintered metal corrosion check Case corrosion check 8 3 2 Simple gas check more than 1 time per month Alarm state confirm by 2 3 times gas inj...

Page 18: ...0 100 300 1000 10 0 30 0 10 0 30 0 100 10 0 2000 30 0 100 10 0 30 0 10 0 100 1000 30 0 1 00 1 00 3 00 50 3 0 100 vol 0 100 vol 0 5000 0 100 LEL 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 2 3 3 3 3 3 2 3 3 1 5 1 5 1 5 1 5 28 36 36 36 24 36 24 24 24 24 18 24 36 18 18 24 18 18 60 60 36 60 28 36 36 36 24 36 24 24 24 24 18 24 36 18 18 24 18 18 60 60 36 60 50 10 25 5 1 5 10 3 25 50 0 1 0 3 0 1 5 0 1 25 Other g...

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