Rotronic Instruments CL11 Air Quality Data Logger, USB

RS Stock No.:: 805-1624
Mfr. Part No.:: CL11RS
Brand:: Rotronic Instruments

Rotronic Instruments CL11 Air Quality Data Logger, USB

Subtotal (1 unit)*

£646.00

(exc. VAT)

£775.20

(inc. VAT)

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Temporarily out of stock

2 unit(s) shipping from 19 May 2026

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Units	Per unit
1 +	£646.00

*price indicative

RS Stock No.:: 805-1624
Mfr. Part No.:: CL11RS
Brand:: Rotronic Instruments

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Rotronic Instruments
	Product Type	Data Logger
	Model Number	CL11
	Accuracy	±0.3 °K
	Measurement Parameters	CO2, Humidity, Temperature
	Interface Type	USB
	Data Logger Type	Air Quality
	Power Source	Battery
	IP Rating	IP30
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	60°C
	Height	85mm
	Width	120 mm
	Standards/Approvals	No
	Hazardous Area Certification	No
	Length	157mm
	Display Type	LCD
	Number of Readings per Channel	40000
	Alarm	Yes

	Select all
	Brand Rotronic Instruments
	Product Type Data Logger
	Model Number CL11
	Accuracy ±0.3 °K
	Measurement Parameters CO2, Humidity, Temperature
	Interface Type USB
	Data Logger Type Air Quality
	Power Source Battery
	IP Rating IP30
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature 60°C
	Height 85mm
	Width 120 mm
	Standards/Approvals No
	Hazardous Area Certification No
	Length 157mm
	Display Type LCD
	Number of Readings per Channel 40000
	Alarm Yes

COO (Country of Origin):: CH

Rotronic Instruments Compact C11 Data Logger.

Compact CL11 Display/Logger has simultaneous CO2, temperature and humidity measurement and logging, with a clear, backlit LC display. Measurements can be, recorded and the data downloaded and analysed with the software included. Carbon dioxide (CO2) levels are a key indicator of indoor air quality in schools, colleges, offices, cinemas, underground spaces and other public areas. A high level of CO2 impairs concentration and decision-making ability. It can be crucial in production processes throughout industry and store rooms where CO2 gas cylinders are kept (regrettably there have been fatalities caused by leaking valves). CO2 monitoring is also important in horticulture, poultry production, test rooms and research projects.

Features and Benefits.

Rotronic Hygromer IN-1 humidity sensor.

40,000 data point memory. Data secure on power loss.

Maximum, minimum and average values displayed.

Audible and visual CO2 alarms (configurable).

Real time clock with back-up battery.

Includes mains adapter, SW21 software and USB data cable.

Optional external temperature probe.

Applications.

Classrooms.

Conference rooms.

Waiting rooms.

Indoor areas.

Certifications.

IP30 rated

Pair Up for Precision: Thermocouples + Dataloggers = Smarter Temperature Tracking

Thermocouples measure temperature, dataloggers record it over time. Together, they deliver accurate, real-time insights for smarter decisions, quality control, and trend tracking.

Match with a Thermocouple