HANNA HI981914 Pool Line Professional Waterproof Portable meter pH/ORP/ISE (-2.0 ~ 20.0pH)
pH:
Range: -2.0 to 20.0 pH / -2.00 to 20.00 pH / -2.000 to 20.000 pH
Resolution : 0.1 pH / 0.01 pH / 0.001 pH
Accuracy: ±0.1 pH / ±0.01 pH / ±0.002 pH
mV
Range: ±2000 mV
Resolution: 0.1 mV
Accuracy : ±0.2 mV
ISE
Range From: 1.00 E-7 to 9.99 E10 concentration
Resolution: 3 digits 0.01, 0.1, 1, 10 concentration
Accuracy: ±0.5% of reading (monovalent ions); ±1% of reading (divalent ions)
Temperature: -20.0 to 120.0 °C (-4.0 to 248.0 °F)
Rel mV Offset Range : ±2000 mV
pH Calibration : Up to five point calibration using seven standards (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and five custom buffers
Slope Calibration : From 80 to 110%
ISE Calibration: Up to five point calibration points using six standard solutions (0.1, 1, 10, 100, 1000, 10000 ppm)
Temperature Compensation : Manual or Automatic from -20.0 to 120.0 °C (-4.0 to 248.0 °F)
pH Electrode: HI72911B pH & temperature
Logging Memory : 300 records, log-on-demand (100 records per range)
Input Impedance: 10¹² Ω
Battery Type/Life: 1.5V AA batteries / approximately 200 hours of continuous use without backlight (50 hours with backlight)
Auto Power Off: 5, 10, 30, 60 minutes or disabled
PC Interface: Opto-isolated USB
Dimensions: 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight: 400 g (14.2 oz)
Environment: 0 to 50 °C (32 to 122 °F) max. RH 100% IP67
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ