Best E Instruments in 2026

Last Updated: Sep 27, 2023

At a Glance: Our Top Picks

Combustible Gas Leak Detector with DIGITAL READOUT. Measures in PPM, % LEL, or % vol. 7899 E-Instruments Gas Sniffer QUANTIFIES combustible gas leaks with large, easy-view LCD & 11-inch flex sensor.
#TOP1
Combustible Gas Leak Detector With Digital Readout. Measures
4.1
PM SCORE
Neoprene Bunsen Burner Hose, 2 ft (0.6m) Long - Fits 8-10mm Dia. Gas Inlets - Eisco Labs
#TOP2
Neoprene Bunsen Burner Hose, 2 Ft (0.6M) Long
6.8
PM SCORE
Premier Industries OEM, Fixed Flow, Calibration Gas Regulator, 0.5 LPM, Brass/Nickel Plated, CGA 600
#TOP3
Premier Industries Oem, Fixed Flow, Calibration Gas Regulator,
5.2
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the best E Instruments of 2026

Combustible Gas Leak Detector With Digital Readout. Measures In Ppm, % Lel, Or % Vol. 7899 E-Instruments Gas Sniffer Quantifies Combustible Gas Leaks With Large, Easy-View Lcd & 11-Inch Flex Sensor.

E INSTRUMENTS
7899
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BuyNow Brands 7.11

Features

IN THE BOX: 7899 Portable Combustible Gas Sniffer with 11 inch Gooseneck Probe, 6 AAA Alkaline Batteries, Soft Vinyl Carrying Case, User Manual

QUANTITATIVE LEAK DETECTOR. Actual PPM, % LEL, or % vol readouts on the large, easy-to-read LED for Natural Gas, Propane, Town Gas, Methane, Butane, Kerosene, Gasoline and more. Applications for HVAC, residential, commercial, engines, piping, and industrial processes.

LIGHT-WEIGHT AND CONVENIENT: Small, lightweight portable gas detector nicely fits in your hand and toolbox for easy transport and use. The 11 inch flexible probe helps detect small combustible gas leaks in hard-to-reach places and around appliances.

RUGGED AND ACCURATE: Built tough to handle daily field use. Accurate, sensitive readings help you identify and pinpoint leaks. Semiconductor sensors improve sensitivity and extend service life. Auto Zero–Drift Adjustment on power-up.

DESIGNED WITH THE HVAC TECH IN MIND. Audible beep interval adjusts as gas levels rise and fall, helping techs zero in quickly on leaks. Large easy-view LED gives numeric and virtual analog scale readings for accurate reporting. Short warm-up time and audible beep to signal instrument ready. Press-and-hold On/Off button prevents accidental shut-off. Selectable auto shut-off time. Hold key. Battery and sensor status indicators.

Neoprene Bunsen Burner Hose, 2 Ft (0.6M) Long - Fits 8-10Mm Dia. Gas Inlets - Eisco Labs

EISCO
CH0100A
0.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90

Features

NEOPRENE || Premium quality neoprene tubing hose is flexible, safe, and resilient - perfect for any science laboratory

2 FEET || Tubing is 2 feet (0.6m) in length, making the hose ideal for general laboratory setups

FITS STANDARD GAS INLETS || Designed for connecting a standard 8-10mm diameter gas inlet jet to Bunsen, Tirrill, Meker and other laboratory burners

FUEL SOURCE COMPATIBILITY || For use with fuel sources, such as LPG (liquid petroleum gas / propane), butane gas or natural gas

MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind

Premier Industries Oem, Fixed Flow, Calibration Gas Regulator, 0.5 Lpm, Brass/Nickel Plated, Cga 600

50-12727-112-0.5-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Preset flow setting: 0.5 LPM (liters per minute) calibrated with nitrogen gas

CGA 600 inlet connection

500 psig (34.47 bar) max inlet pressure

3/16” hose barb outlet

Brass, nickel plated body with a 600 psig inlet gauge

Gx-2009, 4 Gas, Lel / O2 / H2S / Co With Alligator Clip And 115 / 220 Vac Charger By Rki Instruments

RKI INSTRUMENTS, INC
72-0314RKC
6.00 X 6.00 X 6.00 Inches
1.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Marketplace Pros 9.93

Features

GX-2009, 4 gas, LEL / O2 / H2S / CO and 115 / 220 VAC charger

Simultaneous detection of 4 gases, LEL, O2, H2S & CO

Note: For 220 VAC, order accessory 45-2430RK Plug adapter for charger, US to Euro

Smallest / Lightest 4 gas monitor on the market

Dual audible alarm ports

Eagle Brewing R395 Racking Cane Filter

EAGLE
R395
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
NY Brew Supply 7.90

Features

Simple but effective

Made of stainless steel

Use hose clamp to tighten this to the racking cane

Designed to fit over a 3/8" racking cane

Eagle Brewing Fe500 Rubber Carboy Blow Off Hood With White Caps

EAGLE
FE500
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hobby Homebrew 9.81

Features

Rubber style with White Caps

Two attachments for blow off hoses (3/8" or 1/2")

Use CE20 hose thread adaptor to attach to your sink

Easy to clean

Weight: 0.06 lbs

Husky 001807-03 G19 Waffle Gas Guard, 1A 1A3

HUSKY
001807-03
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Waffle Splash Guard (small hole)

Nozzle Guards, Nozzle Reguards, Waffle Splash Guards and Safe-T-Break Guards are to be ordered with the corresponding color option added to the model number

Safety and warning logo will be printed on all Nozzle Guards and Nozzle Reguards

E85 logo is available on all Nozzle Guards, Nozzle Reguards and Safe-T-Break Guards upon request

C10 X ¼” Npt Adapter (Male C10 To 1/4" Mnpt Adapter, 303 Stainless Steel)

50-12602-2-FBA
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Premier Ind. 6.00

Features

C10 (male) x ¼” MNPT ADAPTER

BODY MATERIAL OPTIONS: 303 Stainless Steel or SAE 360 Brass, Nickel plated

SEALS: Viton (seals are included)

PRESSURE RATING: 3000 PSIG MAX

20 Ppm Carbon Monoxide Calibration Gas, Balance Air, 17 Liter Steel Cylinder.

NORLAB BY NORCO
P101620PA
3.00 X 3.00 X 10.75 Inches
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CALGAS.CO 5.96

Features

20 PPM Carbon Monoxide Calibration Gas in Air - 17L

Replaces part numbers: Gasco 17L-50-20, Portagas 10099000, GfG 7800-001, MSA 477888, RKI 81-0063RK

Regulator compatibility: 400 Series Preset Flow, 6000 Series Multiflow, 8000 Series Demand Flow

Shelf Life: 36 Months

Manufactured under ISO:9002 quality standards by NorLab Specialty Gases with NIST traceability certification

Replacement Oxygen Sensor For Industrial Scientific M40

ALPHASENSE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
STARTECH WEST 5.46

Features

Meets specs for the Industrial Scientific M40 gas detector

Boun Vino Fe494 Universal Stopper With Hole

BOUN VINO
FE494
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 3.2 L x 2 H x 2.5 W (inches)

Package Weight : 1 pounds

Country of Origin : Canada

Part number: FE494

Combustible Gas Leak Detector With Digital Readout. Measures In Ppm, % Lel, Or % Vol. 7899 E-Instruments Gas Sniffer Quantifies Combustible Gas Leaks With Large, Easy-View Lcd & 11-Inch Flex Sensor.

E INSTRUMENTS
7899
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BuyNow Brands 7.11

Features

IN THE BOX: 7899 Portable Combustible Gas Sniffer with 11 inch Gooseneck Probe, 6 AAA Alkaline Batteries, Soft Vinyl Carrying Case, User Manual

QUANTITATIVE LEAK DETECTOR. Actual PPM, % LEL, or % vol readouts on the large, easy-to-read LED for Natural Gas, Propane, Town Gas, Methane, Butane, Kerosene, Gasoline and more. Applications for HVAC, residential, commercial, engines, piping, and industrial processes.

LIGHT-WEIGHT AND CONVENIENT: Small, lightweight portable gas detector nicely fits in your hand and toolbox for easy transport and use. The 11 inch flexible probe helps detect small combustible gas leaks in hard-to-reach places and around appliances.

RUGGED AND ACCURATE: Built tough to handle daily field use. Accurate, sensitive readings help you identify and pinpoint leaks. Semiconductor sensors improve sensitivity and extend service life. Auto Zero–Drift Adjustment on power-up.

DESIGNED WITH THE HVAC TECH IN MIND. Audible beep interval adjusts as gas levels rise and fall, helping techs zero in quickly on leaks. Large easy-view LED gives numeric and virtual analog scale readings for accurate reporting. Short warm-up time and audible beep to signal instrument ready. Press-and-hold On/Off button prevents accidental shut-off. Selectable auto shut-off time. Hold key. Battery and sensor status indicators.

Ideal Calibrations Msa Compatible 0.25Lpm Nickel Brass Fixed Flow Calibration Gas Regulator For Altair 4,Altair 4X,Altair 4Xr,Altair 5,Altair 5X,Sirius - C10

IDEAL CALIBRATIONS
NB-025-C10-MSA
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ideal Calibrations 6.43

Features

Nickel plated brass material for most common calibration gases

C10 Connection

Fixed flow 0.25lpm

Compatible with MSA Altair 4, 4X, 4XR Gas Detectors

Calibration/Sample Cap, Rubber, For Gx-2001 And Gx-2009 By Rki Instruments

RKI INDUSTIRES
81-1107RK
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gas Monitor Experts 5.20

Environmental Express Cassette, Air-O-Cell; 10/Bx

ENVIRONMENTAL EXPRESS
AO-60061-27
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cole-Parmer 6.88

Features

Description: Cassettes, Air-O-Cell; 10/BX

Number Of Items: 10

Calibration Gas Regulator Compatible With Bw Technologies, Industrial Scientific, Rae, Rki Monitors - 0.5Lpm Nickel Plated Brass Fixed Flow Calibration - C10

IDEAL CALIBRATIONS
NB-050-C10-BW
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ideal Calibrations 6.43

Features

Nickel plated brass

C10 Fitting

Fixed flow 0.5lpm

Compatible with most BW Technologies, Industrial Scientific, RAE, and RKI monitors

Gas Jar, 850Ml - 7.9" X 3" - Soda Glass, Cylindrical - Eisco Labs

EISCO
CH0494E
9.00 X 4.25 X 4.25 Inches
1.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90

Features

7.9" x 3" (20cm x 7.5cm)

Made of thick Soda-Lime glass

Collects gas during lab experiments

Lid sold separately

Not for heating applications

Rae Systems 10-120-10-6Llp Gas Detection Tubes, Water Vapor, 2 To 10 Lbs?Mmcf, 10/Box

RAE
8626084
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product Type: gas detection tubes

Gas: water vapor

Range: 2 - 10 lbs/mmcf

Qty/pk: 10

Manufacturer number: 10-120-10-6llp

Original Industrial Scientific M40 Replacement Oxygen O2 Sensor 1711-7730 17101213

INDUSTRIAL SCIENTIFIC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
STARTECH WEST 5.46

E Instruments on Amazon: A Comprehensive Review

As an online shopper, it's crucial to make informed decisions. This review will focus on E Instruments, a brand that has made its presence felt on Amazon. With its wide range of products in Lab Gas Handling Instruments, E Instruments has become a go-to for many shoppers.

Product Range

E Instruments offers a vast product count of 18 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.

Quality and Pricing

Quality is a defining factor for any brand. Based on customer feedback and ratings, E Instruments's products have an average rating of 3.6 out of 10, indicating a high level of customer satisfaction.

When it comes to pricing, E Instruments has products ranging from a minimum price of $5.80 to a maximum of $489.00, with an average price of $97.43. This pricing structure caters to a wide range of budgets, making E Instruments an accessible choice for many shoppers.

Customer Service

Customer service is the backbone of any successful online brand. E Instruments is sold by buynow brands, who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.

Shopping Experience

The shopping experience on Amazon with E Instruments has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.

Delivery and Packaging

Delivery and packaging are yet another aspect where E Instruments shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.

Conclusion

In conclusion, E Instruments offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes E Instruments stand out in the crowded Amazon marketplace.

Overall Rating

Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate E Instruments [3.6 out of 10 stars].