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Signet 4150 Turbidimeter
*3-4150.090*
3-4150.090
Rev F 02/09
Description
The Signet 4150 Turbidimeter provides accurate and reliable water quality monitoring for municipal and industrial applications.
The 4150 uses the Nephelometric method to calculate the turbidity of a sample as it fl ows through a viewing chamber. Models are
available that use white light technology as required by the U.S. EPA 180.1 standard, or select the models that use infrared technology
as required by ISO 7027.
Periodic calibration is mandatory with most turbidity systems, and the 4150 makes it fast and easy with sealed, reusable primary
calibration standards.
Two dry contact relays serve as high or low alarms, with programmable setpoints and time-based delays to prevent false alarms.
Additional features include a bright backlight for the display, and a convenient holder for the cuvette during calibration.
An ultrasonic automatic cuvette cleaning system is standard for 0-100 NTU/FNU systems and optional for 0-1000 NTU/FNU systems.
Specifi cations
Measurement Range
Accuracy
<40 NTU:
>40 NTU:
Resolution
Response Time
Display
Alarm Relays (2)
Analog Output
Wetted Materials
•
Tubing:
•
Measuring cuvette:
•
Glass washer seal:
•
Pressure regulator:
•
Inlet tube:
0 to 100.0 NTU or 0 to 1000.0 NTU
NTU=FNU=FTU
±2% of reading or ±0.02 NTU
whichever is greater
±5% of reading
0.0001 NTU (below 10 NTU)
Adjustable
Multi-Line LCD with backlighting
120-240 VAC, 2A Form C Relay
Active 4-20 mA/RS485, 600 Ω drive
Vinyl
Borosilicate Glass
Silicone
Polypropylene
FPM
316 Stainless Steel
Delrin® by Dupont™
316 Stainless Steel
Power Supply &
Wiring Terminals
Signet Turbidimeter
ENTER
Maximum Inlet Pressure
Integral Pressure Regulator Rated 1380 kPa (200 PSI)
Flow Rate
Operating Temperature
Sample Temperature Range 1°C-50°C (34°F – 122°F)
Power Supply
Insulation Rating
Altitude
Relative Humidity
Enclosure Rating
Environmental Conditions
Shipping Weight
Regulatory Compliance And Certifi cations
CE
White Light version
Infrared version
ETL Listed
Chinese RoHS
For detailed information go to www.gfsignet.com
Recommended 345 kPa (50 PSI)
based on tubing connection
0.1 L/m to 1 L/m
(0.026 GPM to 0.26 GPM)
1°C to 50°C (34°F to 122°F)
100 to 240 VAC, 47 to 63 Hz, 80 VA
Double Insulated
Pollution Degree 2
Overvoltage Category II
2000 meters (6562 ft.) maximum
Maximum 95% RH non-condensing
IP 66 /NEMA 4X
Not recommended for outdoor use
2.5 kg (5.5 lb)
Compliant to U.S. EPA 180.1
Compliant to ISO 7027
UL 61010-1 and CSA C22.2
No. 61010-1
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Related Manuals for GF Signet 4150
Summary of Contents for GF Signet 4150
- Page 1 Description The Signet 4150 Turbidimeter provides accurate and reliable water quality monitoring for municipal and industrial applications. The 4150 uses the Nephelometric method to calculate the turbidity of a sample as it fl ows through a viewing chamber. Models are available that use white light technology as required by the U.S.
- Page 2 Remove the instrument from the packing carton. Carefully inspect all items to ensure that no visible damage has occurred during shipment. If the items received do not match the order, please immediately contact the local distributor or the Georg Fischer Signet Customer Service department. Signet 4150 Turbidimeter...
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Page 3: Installation And Commissioning
Do not adjust! Pressure Regulator Contact the factory DESSICANT COMPARTMENT if inlet pressure OPEN ONLY FOR MAINTENANCE will exceed 50 PSI! A modifi ed tubing Drain vent connection may be required. To Drain Signet 4150 Turbidimeter... - Page 4 If power is removed from the 4150, the relays will be in an alarm state. 4150 Internal Power 4150 Internal Power Relay Relay Coil Coil Normally Closed Normally Closed Common Common External Normally Open External Normally Open Power Power Supply Supply Alarm Condition Normal Condition or Power Failure Signet 4150 Turbidimeter...
- Page 5 OPTIONS is displayed when the 4150 is being confi gured. • The alarm relays are held in their NORMAL condition when OPTIONS is displayed. • The 4150 will return to normal operation if no keys are pressed in the OPTIONS menu for 10 minutes. Signet 4150 Turbidimeter...
- Page 6 OFFSET is not a substitute for calibration, but it may be useful if Extended Options: standard solutions are not readily available. Display many single-set options like brightness and decimal location. (See OPTIONS: EXTENDED, pg 11) Signet 4150 Turbidimeter...
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Page 7: Calibration Standards
Calibration Standards If the Signet 4150 will be used over the entire range, a 3-point calibration is required. Calibration standard kits include three cuvettes and three different turbidity solutions. • For 4150-3 (range 0-100 NTU): P/N 3822-4001 (code 159 001 585) calibration kit, turbidity, 100, 10 & 0.02 NTU •... - Page 8 Press and hold the ENTER key for 2 seconds and start the calibration sequence again. 2. Restore the factory calibration: • Press and hold the ▲ key and the ► key for about 2 seconds. IMPORTANT! This action will reset all of the CALIBRATE and OPTION menus back to factory settings. Signet 4150 Turbidimeter...
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Page 9: Instrument Offset
If the OFFSET value is a NEGATIVE number, press the ▼ key to scroll to a Scroll DOWN for negative offset value. negative Offset. 9. Press the ENTER key to save the changes. Press the ▲ and ▼ keys simultaneously to exit the OPTIONS menu and return to normal operation. Signet 4150 Turbidimeter... -
Page 10: Options Menu
10. Press the ▲ and ▼ keys to select ASCII or RTU. Press the ENTER key to save the setting. Press the ▲ and ▼ keys simultaneously to exit the OPTIONS menu and return to normal operation. Signet 4150 Turbidimeter... - Page 11 Turn ON to activate the alarms and send the 4-20 mA to 2 mA when the humidity detector indicates that the internal environment is close to the point where humidity could cause condensation. Press the ENTER key to save the selection. Signet 4150 Turbidimeter...
- Page 12 Press the ► key to begin programming ALM2. The upper display begins blinking. Repeat steps 3 through 6. Signet Turbidimeter ENTER Press the ▲ and ▼ keys simultaneously to exit the OPTIONS menu and return to normal operation. Signet 4150 Turbidimeter...
- Page 13 Do not touch the glass surface of the cuvette. Fingerprints can compromise the accuracy of the measurement. Measuring Cell CAUTION Move the cuvette away from the measuring cell opening to prevent accidental spills into the instrument. Signet Turbidimeter ENTER Sensor Interconnect cable Signet 4150 Turbidimeter...
- Page 14 When using the standards in future, always insert the standard so that the pointer of the indexing ring faces forward. Slowly rotate the standard back and forth about 5° to fi nd the lowest point. The standard is now indexed and ready for use. Cuvette Indexing Ring Signet 4150 Turbidimeter...
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Page 15: Troubleshooting
• Lamp out (LAMP) The source lamps in the Signet 4150 are designed for long life. The IR lamp is rated for 10 years and the white light version is rated for 7 years. Replacing the lamp involves signifi cant disassembly and handling delicate components. -
Page 16: Ordering Information
Georg Fischer Signet LLC, 3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057 For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090 GF Piping Systems 3-4150.090...
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