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

GASTEC Detector Tube: GASTEC GV-100, CH2Cl2, Gas Detection Tube, Methylene Chloride ( CH2Cl2 ) - 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: GASTEC GV-100, CH2Cl2, Gas Detection Tube, Methylene Chloride ( CH2Cl2 )

The GASTEC Detector Tube (MPN 138L) is a methylene chloride (CH2Cl2) gas detection tube, supplied in a 5-pack for use with GASTEC GV-100 and GV-110 pumps. It measures methylene chloride concentrations from 4 to 150…

SKU 3G-OTH-553179

Brand
GASTEC
Item
Detector Tube: GASTEC GV-100, CH2Cl2, Gas Detection Tube, Methylene Chloride
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
138L
Type
CH2Cl2, Gas Detection Tube, Methylene Chloride ( CH2Cl2 ), 5 PK
Gas Detected
Methylene Chloride
Measurement Range
4 to 150 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 (MPN 138L) is a methylene chloride (CH2Cl2) gas detection tube, supplied in a 5-pack for use with GASTEC GV-100 and GV-110 pumps. It measures methylene chloride concentrations from 4 to 150 ppm, enabling precise field sampling across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the GASTEC 138L detector tube used for?

The GASTEC 138L detector tube measures methylene chloride (CH2Cl2) concentrations from 4 to 150 ppm in workplace air. It is used with GASTEC GV-100 or GV-110 pumps for industrial hygiene surveys, solvent exposure monitoring, and compliance testing across chemical processing, painting, and pharmaceutical facilities.

What are the specifications of the GASTEC 138L tube?

The GASTEC 138L tube detects methylene chloride (CH2Cl2) over a measurement range of 4 to 150 ppm. It is supplied in a 5-pack and designed for use with GASTEC GV-100 and GV-110 manual pumps. The manufacturer part number is 138L.

Where to buy GASTEC 138L detector tubes worldwide?

3G Electric supplies GASTEC 138L detector tubes worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this methylene chloride detection tube for GV-100 pumps.

How to use the GASTEC 138L tube with a GV-100 pump?

Break both tips of the GASTEC 138L tube using the tip breaker on the GV-100 pump. Insert the tube into the pump inlet with the arrow pointing toward the pump. Pull the handle fully to draw 100 mL of air. Read the concentration directly from the tube scale at the stain boundary.

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, C6H6, Gas Detection Tube, Benzene ( C6H6 ), With Pump, 5 PK (MPN 121SL). Key specifications — Gas Detected: Benzene; Measurement Range: 1 to 100 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, C6H6, Gas Detection Tube, Benzene ( C6H6 ), With Pump, 5 PK (MPN 121SL). Key specifications — Gas Detected: Benzene; Measurement Range: 1 to 100 ppm.
GASTEC Detector Tube: GASTEC GV-100, CO2, Gas Detection Tube, Carbon Dioxide ( CO2 ), 10 PK (MPN 2LC). Key specifications — Gas Detected: Carbon Dioxide; Measurement Range: 100 to 4,000 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, CO2, Gas Detection Tube, Carbon Dioxide ( CO2 ), 10 PK (MPN 2LC). Key specifications — Gas Detected: Carbon Dioxide; Measurement Range: 100 to 4,000 ppm.
GASTEC Detector Tube: GASTEC GV-100, H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), 10 PK (MPN 4HH). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 0.1 to 4%.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), 10 PK (MPN 4HH). Key specifications — Gas Detected: Hydrogen Sulphide; Measurement Range: 0.1 to 4%.
GASTEC Detector Tube: Gas Detection Tube, LPG, With Pump, 104°F Max Op Temp [NEW], LPG, 10 PK (MPN 100A). Key specifications — Gas Detected: LPG; Measurement Range: 0.02 to 0.8%.
GASTEC
GASTEC Detector Tube: Gas Detection Tube, LPG, With Pump, 104°F Max Op Temp [NEW], LPG, 10 PK (MPN 100A). Key specifications — Gas Detected: LPG; Measurement Range: 0.02 to 0.8%.
GASTEC Detector Tube: CH2O, Gas Detection Tube, Formaldehyde ( CH2O ), 95°F Max Op Temp [NEW], 10 PK (MPN 91PL). Key specifications — Gas Detected: Formaldehyde; Measurement Range: 0.01 to 0.8 ppm.
GASTEC
GASTEC Detector Tube: CH2O, Gas Detection Tube, Formaldehyde ( CH2O ), 95°F Max Op Temp [NEW], 10 PK (MPN 91PL). Key specifications — Gas Detected: Formaldehyde; Measurement Range: 0.01 to 0.8 ppm.
GASTEC Detector Tube: GASTEC GV-100, NH3, Gas Detection Tube, Ammonia ( NH3 ), With Pump, 10 PK (MPN 3LA). Key specifications — Gas Detected: Ammonia; Measurement Range: 2.5 to 200 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, NH3, Gas Detection Tube, Ammonia ( NH3 ), With Pump, 10 PK (MPN 3LA). Key specifications — Gas Detected: Ammonia; Measurement Range: 2.5 to 200 ppm.
GASTEC Detector Tube: GASTEC GV-100, C3H6O, Gas Detection Tube, Acetone ( C3H6O ), With Pump, 10 PK (MPN 151L). Key specifications — Gas Detected: Acetone; Measurement Range: 50 to 12,000 ppm.
GASTEC
GASTEC Detector Tube: GASTEC GV-100, C3H6O, Gas Detection Tube, Acetone ( C3H6O ), With Pump, 10 PK (MPN 151L). Key specifications — Gas Detected: Acetone; Measurement Range: 50 to 12,000 ppm.
GASTEC Detector Tube: C2H4O, Gas Detection Tube, Acetaldehyde ( C2H4O ), With Pump, 10 PK (MPN 92L). Key specifications — Gas Detected: Acetaldehyde; Measurement Range: 1 to 20 ppm.
GASTEC
GASTEC Detector Tube: C2H4O, Gas Detection Tube, Acetaldehyde ( C2H4O ), With Pump, 10 PK (MPN 92L). Key specifications — Gas Detected: Acetaldehyde; Measurement Range: 1 to 20 ppm.