GEM

Open Tender for Multi Gas Detector (V1) in KOLKATA, WEST BENGAL

Bid Publish Date

26-Dec-2025, 1:24 pm

Bid End Date

14-Jan-2026, 2:00 pm

Value

₹3,50,106

Latest Corrigendum Available

Progress

Issue26-Dec-2025, 1:24 pm
Corrigendum09-Jan-2026
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

6

Bid Type

Two Packet Bid

Categories 5

Marketing Division announces a tender for Multi Gas Detector (V1) (Q2) in KOLKATA, WEST BENGAL. Quantity: 6. Submission Deadline: 14-01-2026 14: 00: 00. Last date to apply is approaching fast!

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Technical Specifications 1 Item

Item #1 Details

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Category Specification Requirement
TYPE/APPLICATION/TECHNOLOGY Type Portable /Handheld
TYPE/APPLICATION/TECHNOLOGY Detactable Gases Combustible Gas-Lower Explosive Limit(LEL), Oxygen(O2), Hydrosulfide(H2S), Carbon Monooxide(CO)
TYPE/APPLICATION/TECHNOLOGY Preset Value (To generate audio- visual alarm ) User Setable
TYPE/APPLICATION/TECHNOLOGY Gases for which Preset value to be set by user Lower Explosive Limit(LEL), Oxygen(O2), Hydrosulfide(H2S), Carbon Monooxide(CO)
AREA OF USE - HAZARDOUS AREA CLASSIFICATION Hazardous area classification standard IEC 60079 (latest)
AREA OF USE - HAZARDOUS AREA CLASSIFICATION Area of use - Hazardous area classification Intrinsically safe for use in hazardous area classification conforming to Class I, Division I, Group A, B, C & D or Zone - 0, Group-IIA, IIB & IIC
MEASUREMENT OF Combustible Gas- Lower Explosive Limit(LEL) Measurment Range of Combustible gas(LEL) 0 -100 %
MEASUREMENT OF Combustible Gas- Lower Explosive Limit(LEL) Resolution of the Combustible gas(LEL) measurement 1 %
MEASUREMENT OF OXYGEN(O2) Measurment Range of Oxygen(O2) gas concentration 0 -25 %
MEASUREMENT OF OXYGEN(O2) Resolution of the Oxygen(O2) measurement 0.1
MEASUREMENT OF HYDROGEN SULFIDE (H2S) Measurment Range of HYDROGEN SULFIDE (H2S) gas concentration 0 -100 ppm
MEASUREMENT OF HYDROGEN SULFIDE (H2S) Resolution of the HYDROGEN SULFIDE (H2S) measurement 1 ppm
MEASUREMENT OF SELECTABLE GAS(CO/NH3/SO2/CL2 etc) Measurment Range of Selectable Gas(CO/NH3/SO2/Cl2/CH4/CO2) 0 -500 ppm
MEASUREMENT OF SELECTABLE GAS(CO/NH3/SO2/CL2 etc) Resolution of the Range of Selectable Gas(CO/NH3/SO2/Cl2/CH4/CO2) measurement 0.1 ppm
PERFORMANCE PARAMETER OF THE DETECTOR Accuracy +/- 2 % of measured value
PERFORMANCE PARAMETER OF THE DETECTOR Response time to reach to 90% of measured value(with Sampling pumping house) 30.0
SAMPLING PUMP Sampling Pump Fitted with Motorized Pump with Audio and visual low flow alarm
SAMPLING PUMP Remote Sampling Accessories in the scope of Supply Minimum 120 feet long sampling hose and sampling probe equipped ; Suitable Filter
POWER SOURCE Power Source Rechargeable Batteries;, Alkaline Batteries (Non-Rechargeable);, Mains (230 ± 10 Volts / 50 Hz AC)
POWER SOURCE Battery Size Inbuilt Replaceable rechargeable Battery
POWER SOURCE Battery chemistry Li-ion
POWER SOURCE "Number of Batteries required for operation " One Number of Inbuilt replacable rechargeable Batteries
POWER SOURCE Number of Batteries Inclusive in the Scope of Supply 1
POWER SOURCE Battery capacity (mAH) 1100.0 - 10000.0 Or higher
POWER SOURCE Operation time on fully charged battery(With Pump operation) 60.0
POWER SOURCE Suitable Battery Charger operable with 230 V + 5%, 50 Hz AC inclusive in the scope of supply Yes Or higher
GENERIC Display LCD
GENERIC Housing Material ABS
GENERIC Enclsoure Protection rating IP 65, IP 66, IP 67, IP 68 Or higher
GENERIC Weight(Including Battery & Sampling pump < 500 gram(Handheld/Portable)
GENERIC Connectivity interface NA
FEATURES Salient Features Two Levels of alarms for TWA (Time Weighted Average) & STEL (Short Term Exposure Limit), Low battery indication, The Set Points are adjustable over entire Range, Calibration due date indication, Data logging, Hand free Operation, NA
FEATURES Display Features Simultaneous Display for all four gases, Simultaneous readout for each gas monitored in ppm, %, LEL as aplicable, NA
FEATURES Audio Visual Alarm Visual 360° LED, > 108 dB in a distance of 1m(30ft);, Audible 360 DEGREE, configurable alarm patterns frequencies and volumes
ACCESSORIES Accessories in the scope of supply Calibration cup/adaptor/calibration tubing to facilitate calibration locally, Operation Manual, Carrying case, NA
WARRANTY/SERVICE Warranty on Equipment 24 Or higher
WARRANTY/SERVICE Warranty on Sensor 24 Or higher
WARRANTY/SERVICE Maximum Time period within which any defects reported be rectified, at the buyer/consigne site, without any extra cost during warranty period of equipment two weeks ( from reporting of the defect)
OPERATING ENVIRONMENT Minimum Operating Temperature -20.0 Or lower
OPERATING ENVIRONMENT Maximum Operating Temperature 50.0 Or higher
GENERAL TECHNICAL REQUIREMENTS (GTR) Other General Requirement a) Agreed to provide Declaration on the cross-sensitivity of sensor with other gasses, to the buyer at the time of supply. b) Agreed to pre despatch inspection of the material by byuer/ buyer's authorized Inspection Agency, if applicable. c) Agreed to provide details regading frequency of calibration as recommendad by OEM or calibration frequency is once in six month whichever is earlier. d) Agreed to provide certificate for area of use ( hazardous area) and Enclosure Protection Rating Certificate by accredited agencies like FM/UL/CENELEC/BASSEFA/ ATEX/CIMFR/IECEx/CSA/SAA/TIIS/INMETRO/CUTR etc. e) Agreed to provide PESO approval Certificate to the buyer at the time of supply. f) Agreed to provide 2 free calibration services per year during warranty period. g) Agreed to provide authorized supplier having valid authorization from OEM. All other details shall be as per ANSI/ISA 92.0.01 to 92.06.01 or equivalent IEC standards(In Case of Reseller). h)Agreed to provide relevant technical literature of the offered instrument with make & model with copy of relevant approval, including sensor specification sheet for sensor used in the instrument.
Buyer Specific Requirement Buyer Specific Requirement NA
CALIBRATION CERTIFICATE Calibration Certificate issuing authority OEM Certificate
TEST REPORT Type of lab which carried out Test of Complete Product to prove the conformity of product as per specification OEM
TEST REPORT Agree to provide all relevant documents Test Reports/supporting document /reports etc to the buyer at the time of bidding or on demand Yes

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Required Documents

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Experience Criteria

2

Certificate (Requested in ATC) *In case any bidder is seeking exemption from Experience / Turnover Criteria

3

the supporting documents to prove his eligibility for exemption must be uploaded for evaluation by the buyer

Corrigendum Updates

1 Update
#1

Update

09-Jan-2026

Extended Deadline

14-Jan-2026, 2:00 pm

Opening Date

14-Jan-2026, 2:30 pm