PID-AH2 Photo Ionisation Detector Technical specifications Version 1.0 Technical Specification Figure 1 PID-AH2 Schematic Diagram PID-AH2 Photo Ionisation Detector US patent 7,046,012 US patent 7,821,270 EU patent 1474681 Other patents Notes: 5. Input voltage selector hole: 1. Do not obstruct Ø3.5 sensing area Top View Bottom a) When filled with solder the onboard regulator is disabled. Side View 2. Seal between Ø6.2 and Ø9.0 (if different to atmosphere) View A regulated supply of 3.2 - 3.6 V (typically 3.2 V) is then required. 3. Pin out details: Notes: b) When not filled with solder the onboard regulator is enabled. Pin 1: + V supply (See note 5) 1. Do not obstruct Ø3.5 sensing area 5. Input voltage selector hole: A regulated or unregulated supply between 3.6 - 10 V is then required Pin 2: Signal output 2. Seal between Ø6.2 and Ø9.0 (if different to atmosphere) a)for IS applications, or up to onboard non-IS applications which will be When filled with solder the 18 V for regulator is disabled. A Pin 3: 0V supply 3. Pin out details:dimensions ±0.1mm unless otherwise stated regulated supply of 3.2 - 3.6 V (typically 3.2 V) is then required. internally regulated to 3.3V. 4. All - Pin 1: + V supply (See note 5) Nomally shipped with solder the onboard regulator is enabled. A b) When not filled with regulator enabled. - Pin 2: Signal output regulated or unregulated supply between 3.6 - 10 V is then PERFORMANCE (using 10.6 eV lamp 001-0019-04) - Pin 3: 0 V supply required for IS applications, or up to 18 V for non-IS applications Target ±0.1mm VOCs 4. All dimensionsgases unless otherwise stated with ionisation potentialswhich will be internally regulated to 3.3V. < 10.6 eV Minimum detection level ppb isobutylene Normally shipped with regulator enabled. Linear range ppm isobutylene 3% deviation Overrange ppm isobutylene Target gases VOCs with ionisation potentials < 10.6 eV Performance Sensitivity linear range mV / ppm Isobutylene (using 10.6 eV lamp 001-0019-04) Minimumminutes to 20 ppb ppb isobutylene detection level Full stabilisation time Linear range ppm isobutylene 3% deviation operation Warm up time seconds time to full Overrange variable between detectors ppm isobutylene Offset voltage mV seconds Response time (t90) Sensitivity linear range mV /diffusion mode ppm Isobutylene ELECTRICAL Power consumption (at switch on) Supply voltage Electrical Output signal ENVIRONMENTAL Full stabilisation time minutes to 20 ppb 5 Warm-up time seconds time to full operation 5 Offset voltage 46 to 60 Onboard regulatormV variable between detectors at 3.6 V, < 550 mW transient for 200ms enabled (default): < 100 mW Response time (t90) regulatorseconds diffusion mode 85 mW at 3.2 V, < 300 mW transient for 200ms <3 Onboard disabled: < 3.2 to 3.6 VDC Ideally regulated ±0.01V (onboard regulator disabled) Power consumption VDC (onboard regulatorenabled (default): < 100 mW at 3.6 V, < 550 mW transient for 200ms Onboard regulator enabled) 3.2 to 10 (maximum 10V forOnboard regulator disabled: < 85 mWnon-IS)< 300 mW transient for 200ms IS approval, maximum 18 V for at 3.2 V, (at switch on) Offset voltage (minimum 46 mV) to Vmax Supply voltage 3.2 to 3.6 VDC Ideally regulated ±0.01V (onboard regulator disabled) (Vmax = Vsupply -0.15 V when regulator isdisabled, or 3.15 V when regulator is enabled) 3.6 to 10 VDC (onboard regulator enabled) (maximum 10V for IS approval, maximum 18 V for non-IS) Output signal Offset voltage (minimum 46 mV) to Vmax -40ºC to +55ºC (Intrinsically Safe); -40ºC toregulator is disabled, or 3.15 V when regulator is enabled) (Vmax = Vsupply -0.15 V when +65ºC (non-IS) Temperature range Temperature dependence 0°C to 40°C 90% to 100% of signal at 20°C -20°C 140% of signal at to +65°C (non-IS) Temperature range -40°C to +55°C (Intrinsically Safe); -40°C20°C Environmental Relative humidity range Non-condensing 0°C to 40°C of signal at 20°C Temperature dependence Humidity sensitivity During operations: 0% to 75% rh transient -20°C 140% of signal at 20°C Relative humidity range Humidity sensitivity Operating life IS Approval Key specification Onboard filter Lamp Electrode stack Error state signal Weight Position sensitivity Warranty period Non-condensing During operations: 0% to 75% rh transient 0 to 95% near zero 0 to 95% near zero 5 years (excluding replaceable lamp and electrode stack) IECEx Ex ia IIC T4;5 years (excluding replaceableTa < +55ºC (< 10VDC supply) ATEX Ex ia II 1G -40ºC < lamp and electrode stack) Operating life To remove liquids and particulates ATEX Ex ia II 1G -40oC < Ta < +55oC (< 10VDC supply) IS Approval IECEx Ex ia IIC T4; User replaceable To remove liquids and particulates Onboard filter User replaceable Lamp User replaceable Lamp out: n/a Electrode stack User replaceable Electronic error : 41 ±3 Error state signal Lamp out: n/a < 8g Electronic error: 41 ±3 None Weight Electronics and housing: 24 months < 8g Position sensitivity None Lamp and electrode stack are user replaceable. 10.6eV lamp: 5,000 lit hours Warranty period NOTE: all sensors are tested at ambient environmental conditions, unlessElectronics and housing: 24 monthsoutside our control, the information provided is given without otherwise stated. As applications of use are legal responsibility. Customers should test under their own conditions, to Lamp and electrode stack are user replaceable. 10.6eV lamp: 5,000 lit hours ensure that the sensors are suitable for their own requirements. Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UK Telephone: +44 (0) 1376 W: www.alphasense.com Website: www.alphasense.com For E-mail: [email protected] E: [email protected] 700 Fax: +44 (0) 1376 335 899 further information on the performance of this sensor, on other sensors in the range or any other subject, please contact Alphasense Ltd. or visit our web