Keterangan
Portable pH Meter with SMART Electrode HI 98140
Mfg : HANNA
Description :
pH Calibration Check⢠Electrode Diagnostics
Waterproof
Up to five point pH calibration
Log on demand ( 500 samples)
GLP features
Auto endpoint
User-selectable â calibration time outâ
Backlit, multi-level LCD display
Tutorial messages on LCD
Opto-isolated USB
BEPS and % battery life on display; Battery Error Prevention System alerts the user in the event that low battery power could adversely affect readings
Specifications :
Range : pH : -4.0 to 20.0 pH; -4.00 to 20.00 pH
Temperature : -20.0 to 120.0° C ( -4.0 to 248.0° F)
Resolution : pH : 0.1 pH; 0.01 pH
Temperature : 0.1° C ( 0.1° F)
Accuracy @ 20° C : pH : ± 0.1 pH; ± 0.01 pH
Temperature : ± 0.2° C ( ± 0.4° F) excluding probe error
pH Calibration : up to three point calibration with seven standard buffers available
( 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) , and two custom buffers
Temperature Compensation  : automatic, -20 to 120° C ( -4 to 248° F)
pH Electrode : HI 1618D PEI body, pre-amplified pH electrode with â SMARTâ
technology, internal temperature sensor, DIN connector and 1 m
( 3.3â ) cable ( included)
PC Connection : opto-isolated USB with optional HI 92000 software
Power Supply : 1.5V AAA ( 3) / approximately 200 hours of continuous use without
backlight ( 50 hours with backlight) . User selectable auto-off ( 5, 10,
20, 60 minutes or can be disabled)
Environment : 0 to 50° C ( 32 to 122° F) ; RH max 100%
Dimensions : 185 x 72 x 36 mm ( 7.3 x 2.8 x 1.4â â )
Weight : 300 g ( 10.6 oz.)