SGX Europe Sp. z o.o. T: +48 (0) 32 438 4778 Building 11 Ligocka St. 103, E: sales.is sgxsensortech.com 40-568 Katowice, www.sgxsensortech.com Poland SGX-4NH3 Industrial Ammonia Sensor (Application : Portable Gas Detectors) PERFORMANCE PRODUCT DIMENSIONS All dimensions in mm Range 0 100 ppm All tolerances 0.15 mm Output Signal 100 30 nA/ppm Typical Baseline Range < 1 ppm equivalent (pure air) Linearity Linear Response time (T ) <40 s 90 Maximum Overload 200 ppm Long-Term Output Drift <20% per Annum Recommended Load 10 ohms Resistor Repeatability 10% Resolution 1 ppm Warranty 1 year Bias No Bias OPERATING CONDITIONS Temperature Range -40C to +50C Operating Humidity 15 90% RH Pressure range 800 to 1200 mbar IMPORTANT NOTES Operating Circuit See Application Note 2 All performance is based on conditions at 20C, Recommended Storage 50% RH and 1 atm, using SGX recommended 0C to 20C Temperature circuitry. 6 months in original Storage life Sensor performance is temperature dependant packing (0 25C) please contact SGX for temperature performance Expected Operating Life > 24 Months in Air other than 20C. Do not solder to the connector pins as this may damage the sensor and thereby invalidate the INTRINSIC SAFETY DATA warranty. Maximum at 2000 ppm 0.3 mA Details on recommended connector pins can be found in the Frequently Asked Questions within Maximum o/c Voltage 1.3 V the Gas Sensor section of the SGX website. Maximum s/c Current <1.0 A This device is designed to be RoHS compliant. Whilst SGX has taken care to ensure the accuracy of the information contained herein it accepts no responsibility for the consequences of any use thereof and also reserves the right to change the specification of goods without notice. SGX accepts no liability beyond the set out in its standard conditions of sale in respect of infringement of third party patents arising from the use of SGX products in accordance with information contained herein. In case of modification of the product, SGX disclaims all liability. SGX Europe sp .z o.o. Poland REGON: 362332227 DS-0199, Issue 3, 29-Jul-2016, Page 1 SGX Europe Sp. z o.o. T: +48 (0) 32 438 4778 Building 11 Ligocka St. 103, E: sales.is sgxsensortech.com 40-568 Katowice, www.sgxsensortech.com Poland CROSS-SENSITIVITY DATA GAS CONCENTRATION SGX-4NH3 Hydrogen Sulfide 25 ppm 30 ppm Sulfur Dioxide 20 ppm -6 ppm Hydrogen 100 ppm 0 ppm Nitric Oxide 50 ppm 0 ppm Carbon Monoxide 500 ppm 0 ppm Nitrogen Dioxide 5 ppm -7.5 ppm Ethanol 100 ppm 0 ppm Carbon Dioxide 5000ppm 0 ppm Note: This table is for reference only and are typical values. Cross Sensitivities may not be linear and should not be scaled. Calibration should be carried out with the actual gas at a known concentration. TEMPERATURE POISONING SGX sensors are designed to operate in a wide range of harsh environments and conditions. However it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instrument and operation. When using sensors on printed circuit boards (PCBs), degreasing agents should be used prior to the sensor being fitted. SGX Sensortech 2016 Document subject to disclaimer on page 1 DS-0199, Issue 3, 29-July-2016, Page 2