■  작동 원리

• 방향족 함량의 오일은 한 파장의 빛을 흡수하고 두 번째 파장의 빛을 방출한다는 원리

♦ 형광의 원리

• 오일 리크 감시

• 냉각수

• 응축수 리턴

• 식수

• 폐수 모니터링

• 환경 보호

Technical Data

Housing
- Stainless steel EN 1.4301 (X5CrNi18-10), AISI 304 (V2A)
- Captive lid screws & external mounting brackets stainless steel
- 224 x 215 x 125 mm (L x W x D)
- IP 65 / EN 60529

Display
- 16 x 4 alphanumeric white on blue dot matrix LCD display
- LED background illuminated
- Measurement updates every second
- LED 1 (green) : Power on
- LED 2 (red) : System fault
- LED 3 & 4 (orange) : Alarm 1 & Alarm 2
- LED 5 (blue) : Clean / Hold

Operation
- 4 push buttons
- Remote HTML/Java interface (TCP/IP connection via Ethernet port)

Software Features :
• Auto gain : Fully automatic photometer gain switching
• Auto zero : Automatically, locally or remotely activated zero
• Calibration : 16 linearization tables for concentration & mA output
• Damping : From 0 to 9999s with noise (air bubble / particle) filter
• Memory : Nonvolatile - all data retained upon power failure
• Security : Alphanumeric password protection

Data Logger
• >17000 data points (timestamp, average, max. & min.), ring buffer
• Configurable log time interval 1s to 24hr

Event Logger
• >16000 events, ring buffer
• Timestamp, alarms, zeroing, cleaning, product change, calibration & system events (power, system warning & error messages)

Automatic Cleaning Control
• Automatic cleaning sequence, triggering dedicated relay output
• Manual trigger or external trigger via digital input
• Configurable automatic cleaning interval, 15min to 2months
• Configurable cleaning duration from 0 to 9999s
• Auto-zero after clean option
• Hold value after clean (to equilibrate) 0 to 9999s

PID Controller
- Control method : Pulse width modulated relay output or 0/4-20mA output
- Control period : 2 - 99s
- Proportional gain : 0.0000 - 999999
- Integral time : 0.0000 - 999999s
- Derivative time : 0.0000 - 999999s

Remote Input
- 5 x Digital input (potential free contact) for :
• Input 1-3 : Product/range selection
• Input 4 : Zero, instant zero, clean or clean & Zero
• input 5 : Hold (freeze output), data log control or light source control

Light Source
- High performance UV light emitting diodes (LEDs)
- Typical lamp lifetime >10 000hrs

Fluorescence
- Measuring principle :
UV fluorescence
Excitation : 280nm
Detection : 360nm
- Nominal Range :
0 – 5 000 µg/L PAHphe
ca. 0 – 200 ppm oil in water*
- Detection limit : 1 µg/L PAHphe

Turbidity
- Measuring principle : Backscatter turbidity
- Nominal Range :
0 – 10 000 FTU
ca. 0 – 20 000 ppm oil in water*
- Resolution: Typically < ± 0.5 FTU
* Oil in water response is dependent on oil type
Up to 16 oils can be customer calibrated

Accuracy
- Typically <±2% of reading

mA Output
- 1 x selectable 0 – 20mA / 4 - 20mA (NAMUR, max 21.6mA)
- Optional second mA output
- Galvanically isolated, tested during final inspection to 500 VDC
- Accuracy : <0.1%
- Resolution : 0.025%
- Load : 0 – 600Ohm

Relay Outputs
- 1 x 1A 240VAC Failsafe output (active when system is ok)
- 2 x 1A 240VAC User configurable (alarm, PID)
- 1 x 1A 240VAC Automatic cleaning control
- Fuses : 4 x 1A (type: MXT), max 100A breaking capacity
- LED status indicators flash when relays are active

Fail-Safe :
- Dedicated relay output, 1A 240 VAC
- mA output value used to signal a system fault (NAMUR <3.6mA or >21.0mA)

Network interface (remote communications) :
- TCP/IP, 10Base-T and 100Base-TX Link
- Connector : RJ45
- Protocol :
1) HTML/Java interface using native protocol over TCP/IP
Software : Web browser with Java version 6 or later
2) MODBUS server (slave) over TCP/IP (V1.1b3 compliant)
Functions : (0x03, 0x04, 0x2B/0x0E - conformity 0x01)

Operating Conditions
- Ambient temperature : 0°C to +50°C (32°F to 122°F)
- Transport : -20°C to +70°C (-4°F to 158°F)

Power Supply
- 100-240VAC, 50-60Hz, & 22 - 30VAC/VDC
- Mains fuse: 1A (type MST), Max breaking capacity 35A

Power Consumption
- 25VA (max.)

Certificates
- ISO 9001:2015, CE, ATEX Exd IIB + H2 T6 IP66 Category II 2 G (option)