CITY ECO-SURE (2E) 2112B3000 ECO-SURE X 2112B3001 Gas Sensors

Brand: CITY (Honeywell)
Model: ECO-SURE (2E), ECO-SURE X
Type: Two-electrode electrochemical carbon monoxide (CO) gas sensor
Part numbers: 2112B3000, 2112B3001

Specifications:
ECO-SURE (2E)
Gas detected: CO (Carbon Monoxide)
Principle: 2-electrode electrochemical
Range: 0 ~ 500 ppm CO
Maximum overload: 1000 ppm CO
Sensitivity: 45 ±15 nA/ppm, divided into A/B/C/D four levels
T90: Response time <30s (20℃)
Baseline zero: (clean air) -2 ~ 4 ppm eq.
Temperature drift: (-10~50℃) <10 ppm eq.
Recommended load: 5Ω resistor, no bias voltage needed
Linearity / Reproducibility: within ±5%
Annual drift: <5%/year
Operating temperature: continuous: -10 ~ 50℃; intermittent: -20 ~ 50℃
Humidity (non-condensing): continuous 15~90% RH; intermittent 0~99% RH
Size: Φ20.4mm, 4-series standard package
Weight: approx. 5g

ECO-SURE X
Gas detected: CO (Carbon Monoxide)
Principle: 2-electrode electrochemical
Range: 4 ~ 500 ppm CO
Maximum overload: 1000 ppm CO
Sensitivity: 50 ±10 nA/ppm (fixed level, no A/B/C/D levels)
T90 response time: <30s (20℃)
Baseline zero: (clean air) -2 ~ 4 ppm eq.
Temperature drift: (-10~50℃) <10 ppm eq.
Recommended load resistor: 5Ω, no bias voltage needed
Linearity / Reproducibility: within ±5%
Operating temperature: continuous: -10 ~ 50℃; intermittent: -20 ~ 50℃
Humidity (non-condensing): continuous 15~90% RH; intermittent 0~99% RH

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