Rki-instruments SD-705EC User Manual

PT2E-1140 OPERATING INSTRUCTION MANUAL FOR SMART GAS DETECTOR/TRANSMITTER MODEL SD-705EC FOR USERS1. Read and understand the instructio

PT2E-1140 ２−５ Installation Method (1) Install the detector body to a firm surface (wall surface, etc.) with M6 bolts. Use an optional mounting piec

PT2E-1140 (b) Installation using a drip-proof cover(option) When installing the cover, slide it from the top to downward along the groove and fix it w

PT2E-1140 (2) Insert a packing gland(lower) →washer→packing→packing grand(upper) in this order onto the cable. Lead the cable into the dete

PT2E-1140 ・For connection of terminal plate ＜In case of direct connection＞ Peel length of cable end：7 mm（3p terminal）, 7mm（6p terminal）

PT2E-1140 ２−６ Wiring Method (1) After installation of detector, confirm that there is no error in installation, and carry out connection between equi

PT2E-1140 ・Be sure to make ground as the instrument is flame proof design. ・Make ground with ground resistance is below 100Ω ・Be sure not to connect

PT2E-1140 Normally-closed contact(Break contact) at non-existing condition may change to open contact in a moment due to physical shock. Whenever a

PT2E-1140 ３．Operation ３−１ Startup Method (1) Confirm that the power is not supplied to the unit and removes 6 hexagonal socket headed bolts and lid

PT2E-1140 ３−４ Gas Alarm Function When gas concentration exceeds preset alarm level (alarm point), alarm relay contact and alarm light activates. G

PT2E-1140 ４．Maintenance and InspectionThe gas detection alarm is kept in continuous operation over a long period of time and must perform a vital rol

PT2E-1140 Introduction Thank you for purchasing our fixed type gas detector/transmitter Model SD-705EC. This is a gas detector to detect toxic gases

PT2E-1140 Contents of inspection Inspection point/item Inspection by every 6 months Yearly inspection Judgment Sensor sensitivity Calibration with gas

PT2E-1140 LCD indication Menu Displays set potential Zero adjustment mode Span adjustment mode 4mA adjustment mode Alarm point set mode Alarm t

PT2E-1140 (1) Zero adjustment method ① Confirm with a portable gas detector that the atmosphere around the detector and measuring gas inlet is clean a

PT2E-1140 ⑤ Operate the pump and adjust flowmeter at 1.5l/min. ⑥ When the calibration gas is introduced into the sensor, the indic

PT2E-1140 ４−４ ４ｍＡSignal Output Adjustment Method ① Press SET switch● in MENU display ② When signal output adjustment mode is enter

PT2E-1140 ４−６ Alarm (Transmission) Test Method Alarm functions can be confirmed. When make alarm test (transmission test), announce it to resp

PT2E-1140 ４−７ Point Skip Set Method Maintenance mode can be set compulsorily ４∼20mA ：2.5 mA(Fix) Alarm contact：OFF ① Press SET switch

PT2E-1140 ・ When open the lid, wait for wore than 30 seconds after put off the power supply. If not, explosion proof performance can no

PT2E-1140 ４−１０ Measures for Storage or Long-time Shutdown (1) Store the sensor as attached to the detector in a place not exposed to dust and wate

PT2E-1140 ５．Abnormalities and Countermeasures ５−１ Trouble Indication and Countermeasure This section describes a procedure to determine the fault

PT2E-1140 Contents １．Functions of‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ ３ ２．Handling ２ー１ Before Initial Use‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ ６ ２−２ Cautions for installa

PT2E-1140 ５−２ Troubleshooting ① PW/TR light is not ON PW/TR light OFF Yes No Confirm the power supply and reset the normal state.Supply voltage DC24

PT2E-1140 ② Zero adjustment impossible Zero adjustment impossible YesYes Zero adjustment mode with fresh air supplied? No Carry out zero adjustment

PT2E-1140 ③ Span adjustment impossible Span adjustment impossible Yes Calibration gas prepared correctly? No Use the correctly prepared gas for re-

PT2E-1140 6. Definition Electrochemical method This is a principle for the sensor integrated into this detector. For the details, refer to 8

PT2E-1140 ７．Scrap of Sensor Scrap of products ・ For used up sensors, be sure to return them to the manufacturer. The return is requested

PT2E-1140 ８．Spesifications ８−１ Specifications Type ： ＳＤ−７０５ＥＣ Detection principle ： Electrochemical Cell method Gas to be detected ： Toxic gas D

PT2E-1140 Power supply ： Supply voltage：DC24V±10％ Power consumption : Max 2.5W Operating temperature/humidity ： -10 ∼ +40℃ ３０∼８０%RH(no-condensing)

PT2E-1140 ８−２ Detection Principle The detection principle of this gas detector is electrochemical method. The sample gas is electrolyzed by the ele

PT2E-1140 37 9. Warranty RIKEN KEIKI STANDARD WARRANTY GAS DETECTION INSTRUMENTS RIKEN KEIKI CO., LTD. warrants gas alarm equipment manufac

PT2E-1140 １．Function of the Product ◇ Overall view and name of each part 〔SD-705EC〕 △警告“強力磁石” △WARNING:MAGNET MODEL TC-7 RIKEN KEIK

PT2E-1140 Display Part ① MAINTENANCE/ESC switch‥‥Used for entering into the maintenance mode with the control key. And us

PT2E-1140 Internal View ①Terminal plate………………… Connected to power source and 4-20mA signal output. ②Fuse…………………………… Fuse for power(0.5A) ③Rely output

PT2E-1140 ２．Handling ２−１ Before Initial Use On detecting a toxic gas leakage, this unit show the gas concentration on the LCD and outputs the gas

PT2E-1140 Be sure to use an optional drip-proof cover when the detector is to be installed out of doors. Caution ！ ⑤ Place where the tempe

PT2E-1140 ② Power cable noise Following is available to reduce the influence of electromagnetic induction noise and electrostatic induction noise from