UK City 3nff nitric oxideo NO sensor


SKU: 582977122001 Category:


Please note we have developed tailor made signal boards for this sensor, which can be purchased separately.
Contact us for more details about application of this sensor or various signal boards suitable for this sensor.

Model: 3NFF

Brand: CITY

Material: mixture

Origin: other overseas regions

Output model category: analog sensor

Working principle: gas sensor

Applicable scenarios: environment, coal mine, metallurgy, fire fighting, petrochemical industry

Sensor category: gas sensor

Weight: 22g

3NFF Nitric Oxide Sensor:

Working principle: electrochemistry

Effective electrode: three electrodes

Nominal range: 0-1000 ppm

Maximum overload: 5000ppm

Filter: filter SO2

Sensitivity*: 0.10±0.02μA/ ppm

Long-term sensitivity drift: <2% signal loss/month

Response time (T90)*: <35s

Baseline shift (clean air)*: 0 to 12 ppm equivalent

Zero offset (+20°C to +40°C): 30ppm equivalent

Repeatability: 2% signal

Output characteristics: linear

Recommended load resistance: 10Ω

Bias voltage: +300mV

Operating temperature range: -20°C to +40°C

Recommended storage temperature: 0°C to 20°C

Working pressure range: atmospheric pressure ± 10%

Pressure coefficient: 0.01% signal volume / mbar

Working humidity range: 15-90% RH

Expected service life: 3 years in the air

Storage life: 6 months in the original packaging

Shelf life: 12 months


  1. It is forbidden to use an electric soldering iron to solder the lead wire of the sensor pin at high temperature. Please use it with the supplied pinhole!
  2. It is forbidden to use glue potting with strong heat, volatilization and corrosion properties