103M2

HC103M2 Tec hnical Da ta Nominal capacitance C0 (at 30°C / 86°F) Sensitivity Working range humidity temperature Linearity error (0...98% RH) Hysteresis Response time RH t63 Fast High End Humidity Sensors for Radiosondes / Registering Balloons 160 ± 40 pF 0.55pF /% RH 0...100% RH -80...120°C (-112...248°F) < ± 2% RH 1.9 ± 0.25% RH response time t63 [sec] temperature [°C] Temperature dependence Loss tangent Maximum supply voltage Maximum DC voltage Operating frequency Packaging tray 101.6x101.6 mm (4x4”) tape and reel 1) more details for t < -20°C on request 1) dC = -0.0019*RH*(T-30°C) [pF] < 0.05 5V max (UPP) < 5mV 10...100 kHz, recommended 20kHz 240 sensors refer to ordering guide Char acteristics The average increase of capacitance over the working range is 55pF. For the range of 0–98% RH linear approximation is possible, errors will be lower than < ± 2% RH. The sensor characteristic is determined by the following linear formula: C(RH) = C0 * [1+HC0 * RH] with HC0 = 3420 ± 250 ppm /% RH relative humidity [% RH] For high accuracy requirements, the sensitivity is determined by the following polynomial: C(RH) = C0 * [1 + HC0 * RH + K(RH)] whereby: K(RH) = A1*RH+A2*RH1.5+A3*RH2+A4*RH2.5 A1 = 2.6657E-3 A2 = -9.6134E-4 -4 A3 = 1.1272E A4 = -4.3E-6 capacitance [pF] V1.2 HC103M2 Dimensions (mm) D imensions 1 mm = 0.03937” / 1” = 25.4 mm Mounting Instr uctions contact area To allow full access of the air, the humidity sensor should be positioned over an opening in the printed circuit board (PCB). False readings because of humidity assimilation at the front side of the PCB should be avoided as much as possible by using gold-plated-through holes. Assemb ling and Soldering HC103M2 sensor series are designed for SMD automatic assembling with subsequent reflowsoldering. For more details please refer to mounting instructions. Recommended SMD equipment: · Automatic tooling machine with suction pipette · Optical control for sensor identification Or dering Guide TYPE HC103M2 (103M2) Or der Example PACKAGING tray (240 sensors) 500 sensors per reel 1000 sensors per reel 2500 sensors per reel 10000 sensors per reel (no code) (TR0,5) (TR1) (TR2,5) (TR10) HC103M2TR1 Type: Packaging: HC103M2 1000 sensors per reel HC HC103M2 gold plated contact through PCB opening HC103M2 HC103M2