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Product Features
  • Improved accuracy on CO2 readings

  • Optional extra gases: measures O2 (0-100%); dual temperature probe (0-50 degrees C); humidity sensor (0-100%)

  • Large data storage and data download available for all your readings

Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

The Geotech G100 is a portable analyser designed to monitor CO2 and O2 for the verification of incubators

Key Specifications:

  • Available options: CO2 only, CO2 & O2, CO2 only w/ RH Probe or CO2 & O2 only w/ RH Probe
  • The G100 has become the first in the industry to receive the international ISO 17025 certification and the UK’s UKAS accreditation
  • Accurate readings and quick verification of CO2 incubator levels – a reading takes under a minute
  • Using one instrument makes analysis simple and easy
  • Built-in gas moisture removal protects the G100 from water ingress
  • Optional dual temperature probes help you to adjust the temperature to stabilise conditions within your incubator and help you analyse temperature variation (please add to cart from the drop-down)
  • The G100’s easy to read menu and large, well-lit display makes data readings quick and simple


  • Dual temperature probes help you to adjust the temperature to stabilise conditions within your incubator and helps you analyse temperature variation
  • Rapid response- reading in under 1 minute


  • IVF
  • Research
  • Laboratories
  • Medical

Product Specifications

Size:  L 165mm, W 100mm, D 55mm
Weight:  495g
Case Material:  ABS / Polypropylene with Silicone Rubber Inserts
Keys:  17 Resin Capped Silicone Rubber Keys
Display:  Liquid Crystal Display, 128 x 64 Pixel with RGB Back-light
Gas sample filters:  Built-in Gas Dryer Tube to Remove Moisture, User Replaceable PTFE Water Trap Filter
Gases: co2, o2 (optional)

Download the Datasheet for full specifications.

Product Number Description
G100-00N G100 CO2 Monitor 0-20%
G100-01N G100 CO2 Monitor 0-20% - Relative Humidity Fitted
G100-10N G100 CO2 Monitor 0-20% - Oxygen cell fitted
G100 CO2 Monitor 0-20% - Oxygen cell and Relative Humidity fitted


Spares Number Description
068296/S Spare Sample Filters (pack of 5) 
G1.6 Sample Tube Kit
050227 Hard Carry Case
G1.3 Temperature Probe 100mm Tip
G1.2 Temperature Probe 5mm Tip
G1.8 Humidity Lead and Sensor 
G1.12 Moisture Trap (pack of 2)
CDA7.6 Spare Calibration Gas 5% CO2
2008248/S Mains Charger including Worldwide Adaptors
G1.11 Soft Carry Case
G1.10 Soda Lime Filter Kit
G1.4 Analyser Data Manager Software 
G1.1 Regulator and Tubing for Calibration Gas
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