Best Alphasense in 2026

Meets specs for the Industrial Scientific M40 gas detector

Specifically compatible with Altair 4, not compatible with Altair 4X or 4XR

24 month seller replacement warranty

✔︎ALL THE RIGHT TOOLS – This kit has every instrument you need to practice your dissection skills and techniques.

✔︎A KIT YOU’LL BE PROUD TO OWN AND USE – With 17 reusable tools and 12 scalpel blades, everything from our deep blue case to the instruments themselves are the perfect balance between value, functionality and elegance.

✔︎ A COMPLETE KIT FOR ALL YOUR NEEDS – Our kit is suitable for teachers, students and hobbyists, and appropriate for studies in anatomy, entomology, zoology, veterinary, botany, and biology and more.

Solar-Powered

2-line scientific calculator

1 Year Limited Manufacturer Warranty

Texas Instruments TI-30X IIS Solar Scientific Calculator

TI-30X IIS

Solar

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

Robust, professional grade scientific calculator. Logs and antilogs

It has 2-line display shows entry and calculated result at same time

Easily handles 1 and 2 variable statistical calculations and three angle modes (degrees, radians, and grads) and scientific and engineering Falsetation modes

Case External Size: 8.5 * 5 * 2 inch, Weight:120g

Well made case: Durable and smooth 360¡ã two-way zipper with delicate stitching , convenient for you to put in and out the case.

High Quality EVA : Hard shell with Waterproof and Shockproof material. Soft inner flannel texture preventing shock and pressure. Extending your product service life, protect your product a new life.

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

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

Simple but effective

Made of stainless steel

Use hose clamp to tighten this to the racking cane

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

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

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

What You Will Get: 18 pieces engineering scientific calculators, a sufficient number of sets to meet your different needs for daily life and work, and will also be your indispensable helpers in solving calculation problems

240 Integrated Functions: there are 240 kinds of integrated functions for our scientific calculators, including percentages, trigonometry, 24 parentheses levels, summation, regressions, fractions, regressions, permutations and combinatorics, etc., to provide you with comprehensive and diverse calculation functions

2-Line LCD Screen: these function calculators have a clear LCD display screen, and can display calculation information and results in 2 lines, which can effectively avoid errors in the calculation process and improve work efficiency

Meets specs for the Industrial Scientific M40 gas detector

Orders are despatched from our UK warehouse next working day.

Used Book in Good Condition

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

Package Weight : 1 pounds

Country of Origin : Canada

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.

Nickel plated brass material for most common calibration gases

C10 Connection

Fixed flow 0.25lpm