HTU21D(F) Sensor
Digital Relative Humidity sensor with Temperature output
With:
XX:
O:
(F):
NN:
TTTTTTTTT:
YY:
DDD:
QQQQ:
Sensor Type (21 for HTU21D(F))
Output mode (D = Digital, P = PWM, S = SDM)
Sensor with PTFE membrane (only for HTU21DF)
Product revision number
MEAS Traceability Code
Two last digits of the year
Day of the year
Quantity per real (400, 1500 or 5000 units)
Tape and Reel Packaging
HTU21D(F) sensors are shipped in tape & reel packaging, sealed into antistatic ESD bags.
Standard packaging sizes are 400, 1500 and 5000 units per reel. Each reel contains 440mm (55 pockets)
header tape and 200mm (25 pockets) trailer tape. The drawing of the packaging tapes with sensor orientation is
shown in the picture below.
Packaging reels
USER DIRECTION
OF UNREELING
For 400 and 1500 units: outside diameter of 7” (178mm) and a 1/2” (13mm) diameter arbor hole.
For 5000 units: outside diameter of 13” (330mm) and a 1/2” (13mm) diameter arbor hole.
HPC199_3 HTU21D(F) Sensor Datasheet
www.meas-spec.com
19/21
October 2013