Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump - Gas Detection Tubes For Use In GASTEC GV-100 and GV-110 Pumps
GASTECGas Detection Tubes For Use In GASTEC GV-100 and GV-110 Pumps

GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump

The GASTEC Detector Tube: H2S (MPN 4LT) is a gas detection tube for hydrogen sulphide, designed for use with GASTEC GV-100 and GV-110 pumps. It offers a measurement range of 0.05 to 4 ppm and is supplied in a 10-pack.

SKU 3G-OTH-553157

Brand
GASTEC
Item
Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide
Category
Gas Detection Tubes For Use In GASTEC GV-100 and GV-110 Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

GASTEC
Manufacturer Part Number
4LT
Type
Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump, 10 PK
Gas Detected
Hydrogen Sulphide
Measurement Range
0.05 to 4 ppm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GASTEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GASTEC Detector Tube: H2S (MPN 4LT) is a gas detection tube for hydrogen sulphide, designed for use with GASTEC GV-100 and GV-110 pumps. It offers a measurement range of 0.05 to 4 ppm and is supplied in a 10-pack.

Frequently Asked Questions

What is the GASTEC Detector Tube 4LT used for?

The GASTEC Detector Tube 4LT detects hydrogen sulphide (H2S) in air, measuring concentrations from 0.05 to 4 ppm. It is used for workplace safety, confined-space entry, and environmental monitoring. The tube works with GASTEC GV-100 or GV-110 pumps to provide a reliable, on-the-spot gas reading.

What are the specifications of the GASTEC 4LT detector tube?

The GASTEC 4LT detector tube detects hydrogen sulphide (H2S) with a measurement range of 0.05 to 4 ppm. It is a 10-pack of gas detection tubes designed for use with GASTEC GV-100 and GV-110 pumps. The manufacturer part number is 4LT.

Where to buy GASTEC 4LT detector tubes worldwide?

3G Electric supplies GASTEC 4LT detector tubes worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this 10-pack of H2S detection tubes for use with GASTEC GV-100 and GV-110 pumps.

How to use the GASTEC 4LT detector tube with a pump?

To use the GASTEC 4LT tube, break both tips off with the tip breaker, insert the tube into a GASTEC GV-100 or GV-110 pump, and pull the handle to draw a sample. Follow the pump stroke count and time specified on the tube label. Read the stain length against the printed scale for ppm concentration.

GASTEC Products

3G Electric supplies GASTEC gas detection tubes for use in gastec gv-100 and gv-110 pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories →Valves & Regulation →Motors & Drives →All Products →

More from GASTEC

View all GASTEC parts →
GASTEC Detector Tube: GASTEC GV-100, Cl2, Gas Detection Tube, Chlorine ( Cl2 ), With Pump, 10 PK (MPN 8LA). Key specifications — Gas Detected: Chlorine; Measurement Range: 0.1 to 16 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, Cl2, Gas Detection Tube, Chlorine ( Cl2 ), With Pump, 10 PK (MPN 8LA). Key specifications — Gas Detected: Chlorine; Measurement Range: 0.1 to 16 ppm.
GASTEC Detector Tube: GASTEC GV-100, SO2, Gas Detection Tube, Sulphur Dioxide ( SO2 ), 10 PK (MPN 5L). Key specifications — Gas Detected: Sulphur Dioxide; Measurement Range: 1.25 to 200 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, SO2, Gas Detection Tube, Sulphur Dioxide ( SO2 ), 10 PK (MPN 5L). Key specifications — Gas Detected: Sulphur Dioxide; Measurement Range: 1.25 to 200 ppm.
GASTEC Detector Tube: CH4S, Gas Detection Tube, Methyl Mercaptan ( CH4S ), With Pump, 10 PK (MPN 71). Key specifications — Gas Detected: Methyl Mercaptan; Measurement Range: 0.25 to 140 ppm.
GASTEC
GASTEC Detector Tube: CH4S, Gas Detection Tube, Methyl Mercaptan ( CH4S ), With Pump, 10 PK (MPN 71). Key specifications — Gas Detected: Methyl Mercaptan; Measurement Range: 0.25 to 140 ppm.
GASTEC Detector Tube: GASTEC GV-100, O2, Gas Detection Tube, Oxygen ( O2 ), With Pump, Oxygen, 5 PK (MPN 31B). Key specifications — Gas Detected: Oxygen; Measurement Range: 3 to 24%.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, O2, Gas Detection Tube, Oxygen ( O2 ), With Pump, Oxygen, 5 PK (MPN 31B). Key specifications — Gas Detected: Oxygen; Measurement Range: 3 to 24%.
GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump, 10 PK (MPN 4HT). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 1 to 40%.
GASTEC
GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump, 10 PK (MPN 4HT). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 1 to 40%.
GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump, 10 PK (MPN 4HP). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 0.25 to 20% vol.
GASTEC
GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump, 10 PK (MPN 4HP). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 0.25 to 20% vol.
GASTEC Detector Tube: C3H8O, Gas Detection Tube, Isopropyl Alcohol ( C3H8O ), With Pump, 10 PK (MPN 113). Key specifications — Gas Detected: Isopropyl Alcohol; Measurement Range: 0.02 to 5%.
GASTEC
GASTEC Detector Tube: C3H8O, Gas Detection Tube, Isopropyl Alcohol ( C3H8O ), With Pump, 10 PK (MPN 113). Key specifications — Gas Detected: Isopropyl Alcohol; Measurement Range: 0.02 to 5%.
GASTEC Detector Tube: GASTEC GV-100, CO2, Gas Detection Tube, Carbon Dioxide ( CO2 ), 10 PK (MPN 2LL). Key specifications — Gas Detected: Carbon Dioxide; Measurement Range: 300 to 5,000 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, CO2, Gas Detection Tube, Carbon Dioxide ( CO2 ), 10 PK (MPN 2LL). Key specifications — Gas Detected: Carbon Dioxide; Measurement Range: 300 to 5,000 ppm.