Electrochemical Toxic Gas Sensors NT-NH3-1000 - NEMOTO - #1

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NEMOTOTECH S.r.l. – 20010 Cornaredo (MI) ITALY Via Legnano, 2 – Tel.+39.02.93544190 – Fax +39 .02. 93540347 C.F. e P. IVA (VAT) 03231490966 – CAPITAL . 36.000 EU – Website: www.nemototech.it – E-mail: info@nemototech.it TECHNICAL INFORMATION SHEET: NT-NH3-1000 Electrochemical Ammonia Sensor General Description The NT-NH3-1000 is a new electrochemical gas sensor with 3 electrodes for the detection of Ammonia (NH3) in a variety of gas detection applications. Exhibiting high performance with longterm stability, this compact (20.4mm dia) sensor is suitable for Fixed Gas Detection heads. Nemoto's porous electrode technology enables accurate gas detection with high sensitivity. The mechanical design of the sensor gives optimum gas diffusion characteristics, and the hermetically sealed enclosure prevents costly electrolyte leakage. Specifications NT-NH3-1000 Detectable gas: Ammonia Detection range: 0 – 1000 ppm Output current: 8 +/- 4 nA/ppm Reproducibility: +/- 10% Zero in clean air: <+/-50 ppm equivalent Output drift in air: < 2%/month Response time (T90%): <120 sec calculated from 5 min exposure time Temperature drift (zero) <75ppm (-30to +50°C) Expected lifetime: 2 years Operating conditions: Operating temperature: -30°C to + 50°C Humidity range (constant) 15-90% RH Pressure: 1 atm +/- 10% Recommended resistor: 10 ohms Bias voltage: Not required Position Sensitivity None Recommended Storage temp 0-20°C Storage time (without compromising lifetime) <6 months Physical Characteristics Case material PPO Cap Color Purple Weight 5g (approx.) Typical Temperature Dependence Further performance data and information on operating characteristics will be available in the Characterisation Document CD-NT-NH3-1000 Nemoto has a policy of continuous development and improvement of its products. As such the specification for the device outlined in the data sheet may be changed without notice DS2370.doc, issue 1, 08/10/2009