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TVOC Technical Specifications

TVOC Technical Specifications
Sensor (PID)10.6 eV lamp with Ion Science patented fence electrode technology
Intrinsically safe
approvals
II 2 G Baseefa 03ATEX0742 EEx ia II T4 (-20 °C < Ta < 60)
IECEx BAS 04.0033 (world standard) 
Ingress protection ratingIP65 - dependent on cable glands fitted
Sensor - IP54
Power5-28 VDC Max 70 mA
Output4 - 20 mA (requires an 8 -35 VDC power supply)
RangeUser selectable 0.1 - 100 ppm or 1 - 1000 ppm
SamplingDiffusion (can be pumped if required using an adaptor)
Display7 segment, 4 digit LCD, 4 colour LEDs
ResponseSensor - T90 < 5 sec
Detector - 1 minute as standard*
Accuracy0 - 100 ppm + 2%
100 - 1000 ppm + 5%
Linearity0 - 100 ppm >98%
CalibrationMagnetically accessed
100 ppm Isobutylene via calibration tool kit accessory
Temperature-20 to 50 °C (-4 to 122 °F)
 WeightInstrument 1.3 kg (2.9 lb)
Packed 1.47 kg (3.2 lb) 
Dimensions 124 x 181 x 73 mm (4.9 x 7.1 x 2.9") 
All specifications are against isobutylene calibration at 20 °C, 90% RH and up to 100 ppm in air
* TVOC has a variable duty cycle set to 1 minute as standard. The user can adjust this to between 5 seconds and 5 minutes. 

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