Keterangan
Portable pH Meter for Skin HI 99181
Mfg : HANNA
Description :
Pre-amplified flat-tip pH electrode with built-in temperature sensor allows for maximum surface contact
Multi-level LCD display
On-screen tutorial messages for calibration and set-up
Automatic Temperature Compensation
Automatic one or two point calibration
BEPS ( Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings
Battery % displayed on startup
Compact, heavy-duty, and waterproof
Easy to clean and keep clean
Specifications :
Range : pH : -2.00 to 16.00 pH
Temperature : -5.0 to 105.0° C / 23.0 to 221.0° F
Resolution : pH : 0.01 pH
Temperature : 0.1° C / 0.1° F
Accuracy @ 20° C : pH : ± 0.02 pH
Temperature : ± 0.5° C ( up to 60° C) , ± 1.0° C ( outside) / ± 1.0° F ( up to 140° F) ; ± 2.0° F ( outside)
pH Calibration : automatic, 1 or 2 point with 2 sets of memorized buffer values
( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation : Automatic, -5 to 105° C ( 23 to 221° F)
pH Electrode : HI 1414D/ 50, amplified, flat tip,
with internal temperature sensor, 50mm ( 2.0" ) long body ( included)
Battery Type / Life : 1.5V AAA ( 3) / approximately 1200 hours of continuous use. auto-off
after eight minutes of non-use
Environment : 0 to 50° C ( 32 to 122° F) ; RH max 100%
Dimensions : 152 x 58 x 30 mm ( 6.0 x 2.3 x 1.2� )
Weight : 205g ( 7.2 oz.)