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 Click to enlarge image
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System Introduction
Tank overfill level alarm system is composed of level alarm sonsor, control panel. Isolated
board and externally rotating light and air horn. When the magentic float of level alarm sensor
shifts upward to reed switch set inside the sensor guide pipe, this movement generates alarm signal
and simultaneously the alarm signal is transmitted to the connected places. The high level alarm defines 95%
full of tank volume, and 98% full of tank volume is defined as either high-high level alarm or overfill level alarm.
Description of Model
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KR-300
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Main Application
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A : ALARM
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C : CONTROL
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AC : ALARM AND CONTROL
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QUANTITY OF FLOAT
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2P : HIGH AND LOW, HIGH-HIGH AND LOW-LOW
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| 3P : OTHER |
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Connenction Size
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1S : 1" THREAD
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2S : 11/2" THREAD
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3S : SQUARE TYPE
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1F : JIS 5K 65A
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2F : JIS 5K 100A
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3F : JIS 5K 150a
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4F : OTHER
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OPTIONS
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C : WITH FLOAT CHAMBER
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T : WITH TEST DEVICE
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CT : WITH FLOAT CHAMBER AND TEST DEVICE
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System Composition
Technical specification
| Alarm sensor |
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Model
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High alarm : KR-300A-1p3F-T |
| High and overfill alarm : KR-300A-1p3F-T |
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Conn. size
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JIS 5K 150A(standard) |
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Conduit conn. size
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JIS 5K 40A(standard) |
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Material
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Housing-SUS304 |
| Flange-SUS304 or SUS316 |
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Contact form/rating
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SPST/250VAC, 0.5A |
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Accuracy
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?mm on level rise or fall |
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Max. working temp.
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-30 ~ 120°C |
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Alarm point
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95% of volume for high level alarm |
| 98% of volume for overfill alarm |
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Protection
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IP56 over |
| Level alarm panel |
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Power supply
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AC 110/220V(Main) |
| DC 24V(Back up) |
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Consist of
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Alarm setter |
| Power lamp |
| Buzzer |
| AC/DC Power fail lamp |
| Buzzer stop PB |
| System OFF/ON S/W |
| I.S Barrier Board |
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Consist of
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1 channel(KFD2-SR2-EX1.W) |
| 2 channel(KFD2-SR2-EX2.W) |
| External alarm |
| Horn(EL or air type) & light(Rotating or strobo type) |
Alarm setter
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Model
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MAS-300S-C16 |
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Setter
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16 channel(standard) |
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Power supply
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DC 24V |
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Indication LED's
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16 x Red(alarm) |
| 1 x Red(alarm status) |
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Function
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Buzzer stop |
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Alarm point
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Alarm reset |
| Lamp Test |
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Input time delay
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3...30 seconds |
Dimension for high and overfill alarm sensor KR-300A
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