Riken Keiki PT2-161 Скачать руководство пользователя | Manualshive

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7 Maintenance

7-1. Maintenance intervals and items

- 42 -

2-5. Various Electrical

Settings Display
Display various electrical
settings. This is not used by
the user.

2-6.

Enter the factory mode. This is
not used by the user.

2-7.

Return to the user mode.

rET. is displayed.
Press the SET key
again to return to the
user mode.

To 2-0. Test Mode

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Содержание PT2-161

Страница 1: ...PT2E 2017 Smart Transmitter Gas Detector Head SD 1D AS Operating Manual PT2E 161 PT2 161 ...

Страница 2: ...tact output of the detector must be used for an external alarm lamp buzzer while the alarm signal output must be used for an indicator or external recorder If these outputs are used to control other units we shall not be responsible for any malfunctions 4 The gas sensing part of the gas detection sensor installed in this detector is made of metal porous sintered alloy permeated with an oxidation c...

Страница 3: ...ube 25 5 How to Operate 5 1 Preparation for start up 26 5 2 Basic operating procedures 27 5 3 How to start the detector 28 5 4 Modes 29 5 5 User mode 30 5 6 Flow Rate Adjustment 33 5 7 How to exit 33 6 Operations and Functions 6 1 Gas alarm activation 34 6 2 Fault alarm activation 35 6 3 External output operation 36 6 4 Other functions 37 7 Maintenance 7 1 Maintenance intervals and items 38 7 3 Ca...

Страница 4: ...s over the setting value This detector is a safety unit not an analyzer or densitometer which performs quantitative qualitative analysis measurement for gases Please fully understand the features of the detector before using it so that it can be used properly The detector detects abnormalities in the air caused by presence of gases or other reasons leak with the built in gas sensor The concentrati...

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Страница 14: ...o switch menus or change a value DOWN 5 Power lamp Power lamp Detection mode It lights up in green Maintenance mode It blinks in green 6 Alarm lamp Alarm lamp It lights up in red when the alarm setpoint value is reached 7 Fault lamp Fault lamp It lights up in yellow when an abnormality is detected in the detector 8 Concentration value display Displays the gas concentration and so on 8 Concentratio...

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Страница 28: ...nnected to external device properly Check that the power supply voltage is compliant with the specifications Because the external contact may be activated during the adjustment take measures to prevent an activated contact from having influences on external device Check that there is no clogging or leak in the connected tube If the connected tube is clogged pressure is applied to the sensor causin...

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Страница 36: ...ration Display In case of over the detection range Over Scale is displayed on the LED Power Indicator Lamp POWER Green During operation this lights up continuously Alarm Indicator Lamp ALM Red It lights up when the alarm setpoint value is reached to or exceeded Contact Activation The contact is activated when the gas concentration reaches or exceeds the alarm setpoint value only when the alarm is ...

Страница 37: ... valve of the gas and then check that the gas concentration reading dropped Access the gas leak point equipped with a protective gear to avoid dangers caused by possibly remaining gases and check whether gases remain or not by using a portable gas detector Check that the point is free from dangers and take actions to fix the gas leak 6 2 Fault alarm activation A fault alarm is triggered when the d...

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Страница 40: ...intain the performance as a safety unit Maintenance item Maintenance content Daily mainte nance Monthly mainte nance Regular mainte nance Power supply check Check that the power lamp lights up Concentration display check Check that the concentration display value is zero When the reading is incorrect perform the zero adjustment after ensuring that no interference gases exist around it Flow rate ch...

Страница 41: ...low rate by using an external flow meter to verify the correctness of the flow rate indicator on the detector If the flow rate is incorrect performs the flow rate adjustment Filter check Checks the dust filter for dust or clogging Replaces a dirty or clogged dust filter Alarm test Inspects the alarm circuit by using the alarm test function Checks the alarm lamps Checks each activation of ALM1 and ...

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Страница 44: ...us Electrical Settings Display Display various electrical settings This is not used by the user 2 6 Enter the factory mode This is not used by the user 2 7 Return to the user mode rET is displayed Press the SET key again to return to the user mode To 2 0 Test Mode ...

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Страница 54: ... intervals Quantity pieces per unit Remarks 1 Guard assembly 6 months 3 8 years 1 2 Aspirator cap 6 months 3 8 years 1 The operation must be checked after replacement by a qualified service engineer For the stable operation of the detector and safety ask a qualified service engineer to take care of replacement of the parts Request RIKEN KEIKI for operation check NOTE The above replacement interval...

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Страница 56: ...insulation transformer Cable abnormalities open circuit not connected short circuit Check the wiring of detector and related devices around it Abnormal operations Disturbances by sudden surge noise etc Turn off and restart the detector If such a symptom is observed frequently take appropriate measures to eliminate the noise Sensor abnormalities E 1 The sensor is not connected or improperly connect...

Страница 57: ...ompletely For information on actions such as removal filter please contact RIKEN KEIKI Disturbance by noise Turn off and restart the detector If such a symptom is observed frequently take appropriate measures to eliminate the noise Sudden change in the environment When the environment temperature etc changes suddenly the detector cannot adjust to it and is affected by it In some cases the detector...

Страница 58: ...as alarm type One step alarm H Gas alarm display ALM lamp on red Gas alarm pattern Non latching auto reset Fault alarm self diagnosis System abnormalities sensor abnormalities Fault alarm display FAULT lamp on yellow detail display Fault alarm pattern Non latching auto reset Alarm contact No voltage contact 1a de energized energized in response to an alarm or energized de energized in response to ...

Страница 59: ...ing unit Cu or SUS type Explosion proof structure Flame proof enclosures Explosion proof grade Ⅱ2G Ex db ⅡC T5 Gb ATEX Ex db ⅡC T5 Gb IECEx External dimensions Approx 400 W x 265 H x 102 D mm Weight Approx 5 6kg Outer color Munsell 7 5BG5 2 Specifications subject to changes without notice When a half union for gas IN side is changed check also the external filter IN OUT diameter carefully ...

Страница 60: ...ltage contact 1a de energized energized in response to an alarm or energized de energized in response to an alarm Contact capacity 250 VAC 0 5 A 30 VDC 0 5 A resistance load Transmission system 3 wire type analog transmission common cable for power and signal power signal common Transmission specifications 4 20 mA DC linear load resistance under 300 Ω resolution divided into 200 Transmission cable...

Страница 61: ...10 Product Specifications 10 1 List of specifications 59 Outline Drawings Cable gland G3 4 Adapter A NPT1 2 ...

Страница 62: ...10 Product Specifications 10 1 List of specifications 60 Outline Drawings Adapter B NPT3 4 ...

Страница 63: ...tern Non latching auto reset Alarm contact No voltage contact 1a de energized energized in response to an alarm or energized de energized in response to an alarm Contact capacity 250 VAC 0 5 A 30 VDC 0 5 A resistance load Transmission system 3 wire type analog transmission common cable for power and signal power signal common Transmission specifications 4 20 mA DC linear load resistance under 300 ...

Страница 64: ...Non latching auto reset Alarm contact No voltage contact 1a de energized energized in response to an alarm or energized de energized in response to an alarm Contact capacity 250 VAC 0 5 A 30 VDC 0 5 A resistance load Transmission system 3 wire type analog transmission common cable for power and signal power signal common Transmission specifications 4 20 mA DC linear load resistance under 300 Ω res...

Страница 65: ...10 Product Specifications 10 1 List of specifications 63 Outline Drawings ...

Страница 66: ... element with a mixture of gas inert alumina and glass sintered on it When a combustible gas comes into contact with the surface of the detecting element with new ceramic oxidation catalyst sintered on it the gas burns causing the temperature to rise In accordance with this temperature change there occurs a change in the resistance of a heat resistant alloy wire coil that constitutes the element T...

Страница 67: ...he detection range LEL A unit which the lower explosive limit LEL of the combustible gas to be detected is set to 100 ppm A concentration unit that means part per million of the combustible gas to be detected Calibration Adjusts the readings to the calibration gas concentration value by using the calibration gas Zero suppression A function to cut off the specific drifting that the sensor has Alarm...

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