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

🎯0-1000 ppm range, 1 ppm resolution

🔋USB rechargeable battery, 10h runtime

🛡️Water, dust & explosion resistant

893.20 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay Ahead of Danger with Precision & Power!

RUGGED READY - Built tough with water-resistant, dustproof, and explosion-proof casing—perfect for demanding industrial or home use.
TRIPLE ALERT SYSTEM - Simultaneous sound, light, and vibration alarms ensure you never miss a critical warning, even in noisy environments.
PINPOINT PRECISION DETECTION - Detects CO levels from 0 to 1000 ppm with ultra-fine 1 ppm resolution for ultimate safety assurance.
EFFORTLESS PORTABILITY POWER - Lightweight 130g design with USB rechargeable battery lasting up to 10 hours keeps you protected on the go.
CERTIFIED CALIBRATED CONFIDENCE - Comes with UK calibration certificate and EU NPL traceable calibration for trusted, professional-grade accuracy.

The Forensics Detectors FD-90A-CO is a professional-grade carbon monoxide detector featuring an electrochemical nano-gas sensor with 0-1000 ppm detection range and 1 ppm resolution. It offers triple alarms (sound, light, vibration) for immediate alerts, is USB rechargeable with a 10-hour battery life, and is ruggedly designed to be water, dust, and explosion resistant. Calibrated and certified in Europe with a UK calibration certificate, it guarantees reliable accuracy for home, industrial, and professional use.

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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TrustScore 4.5 | 7,300+ reviews

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