Supply and Delivery of Two (2) lots Ultrasonic Tide Sensor

March 26, 2018

REQUEST FOR QUOTATION

 

TO ALL INTERESTED SUPPLIERS:

The PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY (PHIVOLCS) hereby invites financially, legally capable suppliers to submit bids for a negotiated procurement for the PHIVOLCS requirement for ” 2 LOT

ULTRASONIC TIDE SENSOR

SPECIFICATIONS

Optimum Range: at least 30.5 cm – 10 mtr. (12 in. – 33 ft.)

Max Range: atleast 15.2 meters (50 feet)

Case Material: at least 303 stainless steel

Temperature: -40 to 70 C (-40 to 158 F)

Configuration: Stored in non-volatile memory

Humidity: 0 to 100% operating

Transducer: Ruggedized piezoelectric

Compensation: Temperature compensated

Protection: NEMA-4X, NEMA-6P, IP68

Resolution: Digital: 0.0135 in. (0.3438 mm);

Repeatability: Nominal 0.2% of range @ constant temp.

Update Rate: 200 ms, adjustable; affected by filter selections

RS-232 Modbus protocol, 9600-115200 baud (selectable),

8 data bits, 1 stop, no parity

SYNC feature: Permits up to at least 32 sensors to operate in

close proximity without interaction

TARGET PERFORMANCE

Objects: Detects flat or curved objects. Surface must reflect

ultrasound back to sensor.

Max. Distance: Affected by size, shape, orientation of target

(sound level reflected back to sensor)

Orientation: Flat surfaces should be oriented perpendicular to

sensor output beam

Optical: Unaffected by target color, transparency or other optical characteristics

CUSTOMIZATION

Connections:

Cable connection Wire Description

Power Brown 10-30 VDC @ 70 mA nominal (sensitivity reduced

below 15 VDC)

Ground Blue Power and interface common

Voltage Output Violet Unconnected

Current Loop Output Green Unconnected

Current Loop Output Orange Unconnected

Switch #1 Output Black Unconnected

Switch #2 Output White Unconnected

RS-232 out Gray Serial data connection (depends on model – see model selection)

RS-232 in Yellow Serial data connection (depends on model – see model selection)

COMMUNICATION INTERFACE: RS-232

Accessories:-Customized shielded 2.5 meters cable, 4-pin waterproof M12

connect or termination

-Mating connector assembly for the cable above with the ff. specs: – panel mount, rear entry (to be placed on panel with 4mm wall thickness)

– with soldered 180mm hook-up wires (power, ground, TX and RX),multi-colored

– waterproof, IP67

**supplier must provide detailed mechanical drawing and data

sheet of the connectors for approval by the end-user prior to delivery

Note: Supplied with comprehensive, traceable, calibration

certificates.

MAINTENANCE

-Provide quote for factory recalibration

-Provide provision for easy and short turn around time for repair

Services

WARRANTY: 2 years

OTHERS: Price is inclusive of government duties and taxes and other fees

Note: Can communicate with DOST-ASTI ARQ Data Logger

“. The ABC is Php 80,000.00. The opening of bids shall be on 1:30 PM, April 02, 2018 at PHIVOLCS Building, C.P. Garcia Avenue, U.P. Campus, Diliman, Q.C..

In view of this bidding, PHIVOLCS reserves the right to reject any or all bids and waive any formalities/informalities therein and to accept such bids it may consider as most advantageous to PHIVOLCS and to the government as well. PHIVOLCS neither assumes any obligation for whatsoever losses that may be incurred in the preparation or submission of bids nor does it guarantees that an award will be made.

 

Bartolome Bautista

BAC Chairperson