ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Temperature - NTC: -40 ~ +150 °C
Temperature - TC Type K (NiCr-Ni): -200 ~ +1370 °C
Differential pressure (internal sensor) - Piezoresistive: -150 to +150 hPa
Velocity / Volume flow: 0.3 to 35 m/s
Delivery Scope:
- testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, connection hose, 3 x AA batteries, USB cable and calibration protocol (0560 4402)
- Vane probe (Ø 100 mm) with Bluetooth® including temperature sensor (consisting of 100 mm vane probe head, handle adapter and Bluetooth® handle); bracket for testovent measurement funnel; 4 x AA batteries and calibration protocol (0635 9431)
- Hot wire probe head (Ø 9 mm) including temperature and humidity sensor and calibration protocol (0635 1570)
- Extendable telescope (up to 1 m in length) for air velocity probes with a universal handle including 90° angle (0554 0960)
- Combi-case for testo 440 and multiple probes (0516 4401)
