What is the lowest carbon monoxide ppm it could detect and how quickly?

Do not know but display indicates 1 to 1000

Do i need to purchase additional probes or attachments in order to use for my gas fireplace and hot water tank?

Usually you want to know the CO concentration where you are located, not within a gas fireplace or hot water tank, therefore you do not need additional probes or attachments.

so where do you buy the pump and probe?

Here is the link for both the pump: https://www.amazon.com/dp/B07GKJDCKQ/ref=cm_sw_em_r_mt_dp_U_yaWFCbNERFY4M

So is the lifespan of the sensor dependent on how much exposure it gets over time or just time alone ?

Just time alone. 2-3 years. Does matter how much you use it. Just like milk, only time not usage.

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Carbon Monoxide Portable Detector | UK Calibration Certificate | USB Recharge | Sound, Light and Vibration Alarms | 0-1000 ppm CO

Carbon Monoxide Portable Detector | UK Calibration Certificate | USB Recharge | Sound, Light and Vibration Alarms | 0-1000 ppm CO

Product ID: 74922045

Details

Alarm
LED Buzzer &
Brand
FORENSICS FD
Colour
Yellow
Item weight
130 Grams
Material
ABS
Operating humidity
<95%RH

🔋USB rechargeable battery, 10h avg life

🚨Multi-mode alarms: sound, light & vibration

⚛️Electrochemical NANO-GAS sensor

€ 220.46

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay Ahead of Danger with Precision & Power!

EFFORTLESS POWER PORTABILITY - USB rechargeable with a long-lasting 10-hour battery life and lightweight 130g design for on-the-go peace of mind.
CERTIFIED ACCURACY YOU CAN TRUST - Comes with UK calibration certificate and EU NPL traceable calibration for professional-grade reliability.
RUGGED READY FOR ANY CHALLENGE - Water-resistant, dustproof, and explosion-proof design built to withstand tough industrial and field conditions.
PRECISION DETECTION AT YOUR FINGERTIPS - 0-1000 ppm range with 1 ppm resolution ensures pinpoint CO monitoring for ultimate safety.
TRIPLE ALERT SYSTEM FOR INSTANT AWARENESS - Adjustable audio, visual, and vibration alarms keep you informed in any environment.

The Forensics Detectors FD-90A-CO is a professional-grade carbon monoxide detector featuring a highly sensitive electrochemical sensor with a 0-1000 ppm detection range and 1 ppm resolution. It offers adjustable multi-mode alarms (sound, light, vibration) and comes factory calibrated with a UK calibration certificate traceable to EU NPL standards. Designed for industrial, commercial, and home use, it boasts a rugged, water-resistant, dustproof, and explosion-proof ABS casing. Powered by a USB rechargeable battery lasting up to 10 hours, this compact 130g device ensures reliable, on-the-go CO safety with a 1-year manufacturer warranty.

Specifications

ASIN	B07CMG69XQ
Alarm	LED, Buzzer & Vibration
Battery Average Life	10 Hours
Best Sellers Rank	582,121 in DIY & Tools ( See Top 100 in DIY & Tools ) 318 in Carbon Monoxide Detectors 6,651 in Scanners & Testers
Brand	FORENSICS DETECTORS FD
Colour	Yellow
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 218 Reviews
Included Components	Gas Detector, USB Recharge Cable, Sling, User Manual, Calibration Cap and Calibration Certificate
Item Dimensions D x W x H	4.3D x 5.8W x 11H centimetres
Item Weight	130 Grams
Item weight	130 Grams
Manufacturer	Forensics Detectors
Manufacturer Warranty Description	1 year manufacturer.
Material	ABS
Model Number	FD-90A-CO
Number of Items	1
Operating Humidity	<95%RH
Part Number	CT-8TSK-ZB3Z
Power source	Battery Powered
Product Style	Modern
Product dimensions	4.3D x 5.8W x 11H centimetres
Sensor Type	Electrochemical
Style	Modern
Unit Count	1.0 count

Reviews

N**.

Tut was es soll

Wirklich leicht zu bedienen, Akku hällt wirklich eine Ewigkeit, Alarm ist trotz BoseA20 deutlich hörbar und die Schwellensicht auch individuell einzurichten wenn dies wer benötigt. Echt den Preis wert

16.08.2022

G**L

misuratore di CO Forensic

E' possibile e facile fissare il livello di allarme per la presenza di monossido di carbonio CO al livello desiderato, e fatte tutte le verifiche del caso, l'allarme funziona molto bene. Batteria ricaricabile, che dura alcuni giorni e si ricarica in poche ore. Sono molto soddisfatto del'acquisto, anche se l'oggetto e' un po' caro. Arrivato puntualissimo dagli USA, senza alcuna spesa addizionale

3.02.2020

P**T

Clearly the best CO monitor on the market!

This is my second CO meter from Forensics. I've hand other CO monitors, this one is clearly the best. Excellent response time, accurate readingd. I highly recommend this product!

17.07.2026

S**N

Co Warner

Ein sehr guter und zuverlässiger CO warner. Benutze ihn seit Jahren bei der Arbeit, die Messergebnisse sind immer 100% richtig. Kann ich nur empfehlen 👍

5.03.2025

P**.

Quality product

Excellent accurate calibrated readings. Not 100% intuitive operation, but I didn't pull my hair out.

2.08.2026

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€ 220.46

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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