OleumTech H Series User Manual
Tuning fork level switches
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- User manual (40 pages)
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Summary of Contents for OleumTech H Series
- Page 1 TUNING FORK LEVEL SWITCHES - USER GUIDE User Guide Document ID: 80-7091-001_G OleumTech® H Series Sensors Tuning Fork Level Switches HTF1740 / HTF1741 Page 1...
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Page 2: Table Of Contents
TUNING FORK LEVEL SWITCHES - USER GUIDE Table of Contents PRODUCT INTRODUCTION ................. 3 SAFETY, CERTIFICATIONS, COMPLIANCE ............4 TECHNICAL SPECIFICATIONS ................7 ORDERING INFORMATION ................. 8 DIMENSIONS ...................... 9 POWER ......................10 WIRING & OPERATION ..................11 INSTALLATION BEST PRACTICES ............... 15 MAGNETIC SWITCH WIRING &... -
Page 3: Product Introduction
TUNING FORK LEVEL SWITCHES - USER GUIDE 1. PRODUCT INTRODUCTION 4. Applicable Materials The tuning fork level switch can be widely applied to detect the minimum 1. Working Principle and maximum levels in tanks, silos, and hoppers filled with materials of different densities and states. -
Page 4: Safety, Certifications, Compliance
WARNING: Although the switch is very durable, do not install it on high vibration applications or where the switch is subject to severe mechanical shock. WARNING: If the equipment is used in a manner not specified by OleumTech, the protection provided by the equipment may be impaired. Page 4... - Page 5 Sécurité AVERTISSEMENT: si l'équipement est utilisé d'une manière non spécifiée par OleumTech, la protection fournie par l'équipement peut être altérée. ATTENTION: Toutes les entrées du boîtier DOIVENT être hermétiquement scellées à l'aide d'un ruban d'étanchéité pour filetage ou d'un produit d'étanchéité.
- Page 6 TUNING FORK LEVEL SWITCHES - USER GUIDE 2. Certifications IECEx TUR 19.0037 Ex d IIB T4 or T5 or T6 Gb Ex tb IIIC T 130 °C or T95 °C or T80 °C Db Ambient Temperature: Ta = -20 °C to 70 °C Page 6...
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Page 7: Technical Specifications
TUNING FORK LEVEL SWITCHES - USER GUIDE 3. TECHNICAL SPECIFICATIONS Download Datasheet / Technical Specifications Page 7... -
Page 8: Ordering Information
TUNING FORK LEVEL SWITCHES - USER GUIDE 4. ORDERING INFORMATION Page 8... -
Page 9: Dimensions
TUNING FORK LEVEL SWITCHES - USER GUIDE 5. DIMENSIONS 300 lbs flanged connection dimensions shown below: 1. HTF1740 / HTF1741 All housing entries MUST be tightly SEALED using thread seal tape or sealant. Failure to seal all port entries may allow moisture to enter the transmitter housing, cause damage to internal components, and void warranty. -
Page 10: Power
TUNING FORK LEVEL SWITCHES - USER GUIDE 6. POWER 1. Power Supply Power supply (VAC): 20-250 Vac 50/60 Hz, fail under 18 Vac 50/60Hz Power supply (VDC): 20-250 Vdc, fail under 18 Vdc 2. Power Consumption 5 VA (AC) Max., 120 Vac/30 mA Normal Operation 2.5 W (DC) Max., 24 Vdc/75 mA Normal Operation 3. -
Page 11: Wiring & Operation
TUNING FORK LEVEL SWITCHES - USER GUIDE 7. WIRING & OPERATION 2. Relay Output (HTF174xR Option) 1. PCB Layout / Controls RT1, RT2: Remote-Test (Short RT1 and RT2 terminals to verify tuning fork operation after installation) NC, COM, NO: Relay Output N-, L+: Power Supply ：Ground Connection PWR: Power Supply (Red LED, On = Normal, Off = Power failure) - Page 12 TUNING FORK LEVEL SWITCHES - USER GUIDE 3. SSR (PNP/NPN) Output (HTF174xN Option) RT1, RT2: Remote-Test (Short RT1 and RT2 terminals to verify tuning fork operation after installation) COM, NO: PNP/NPN Output N-, L+: Power Supply ：Ground Connection Page 12...
- Page 13 TUNING FORK LEVEL SWITCHES - USER GUIDE 4. Level Alarm Operation b. Alarm Low Mode (Dry Run Protection): Switch the Alarm mode to Low on the PCB. Normal State: The Green signal LED is on. The tuning fork switch Alarm High Mode (Overflow Protection): senses the material and the relay is active/energized.
- Page 14 Typically, there is no need for any sensitivity adjustment. tip. If the testing medium’s Specific Gravity (S.G.) is lower than OleumTech calibrates all Tuning Forks to water specific gravity (S.G. = 0.58 0.58 oz/in (water), the trigger point will move upward on the tuning fork, oz/in or S.G.=1 g/cm...
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Page 15: Installation Best Practices
TUNING FORK LEVEL SWITCHES - USER GUIDE 8. INSTALLATION BEST PRACTICES 2. Vertical Installation The default switching point is 0.91” (23 mm) from the tip of the tuning 1. Horizontal Installation fork. Do not install the tuning fork near the process inlet. 0.91”... - Page 16 TUNING FORK LEVEL SWITCHES - USER GUIDE All housing entries MUST be tightly SEALED using thread seal tape or sealant. Failure to seal all port entries may allow moisture to enter the transmitter housing, cause damage to internal components, and void warranty.
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Page 17: Magnetic Switch Wiring & Operation
TUNING FORK LEVEL SWITCHES - USER GUIDE 9. MAGNETIC SWITCH WIRING & OPERATION 3. Wiring Connect the Magnetic Switch wires to terminals RT2 and RT1 as 1. Part Number: SX1000-MS1 shown. Wiring orientation does not matter. You can install an SX1000-MS1 Magnetic Switch to the Tuning Fork to easily verify the operational integrity of the device. - Page 18 TUNING FORK LEVEL SWITCHES - USER GUIDE 4. Operation Under Tuning Fork’s normal operating condition, the green LED is lit (non-alarm state). b. To verify the health of the Tuning Fork, you simply make contact with the Magnetic Switch using a magnet to trigger an alarm state. A magnet is required for the switching operation: ≥...
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Page 19: Troubleshooting
TUNING FORK LEVEL SWITCHES - USER GUIDE 10. TROUBLESHOOTING 1. The device won’t power on: Verify that the wiring is correct and the user has used the correct polarity b. Verify that the device is being supplied with values that are above 18 Vac/Vdc 2. -
Page 20: Maintenance
1. General and packaging in accordance with local and national regulations. The H Series Tuning Fork Level Switch is easy to maintain and does not require periodic system checks. The sensor generally only needs a yearly visual inspection to monitor the following. -
Page 21: Limited Warranty
OleumTech are free from defects in material and workmanship for two (2) years from the date of shipment. b. OleumTech warrants that goods repaired by it pursuant to the warranty are free from defects in material and workmanship for a period to the end of the original warranty or ninety (90) days from the date of delivery of repaired goods, whichever is longer. -
Page 22: Revision History
Updated mechanical dimension drawings. Revision F Revised Sensitivity Adjustment and Trigger Point sections. OleumTech has made a good faith effort to ensure the accuracy of the Revision G information in this document and disclaims the implied warranties of Revised pressure ratings for 5” to 12” to 2000 PSI and 13” and up to 600 PSI.
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