Keterangan
Two Channel, pH/ ORP/ ISE, EC/ TD/ NaCl/ Resistivity Benchtop Meter HI 3512 New
Mfg : HANNA
Descriptions :
pH Calibration Check⢠and electrode condition
Up to five point pH and ISE calibration
Seven standard pH buffers for calibration
pH calibration with up to two custom buffers
EC calibration for up to two calibration points
Seven memorized EC standards for calibration
Messages on the graphic LCD for an easy and accurate calibration
Contextual help at the touch of a button
Multi-language support
Automatic logging interval up to 600 records
Log on demand up to 400 samples
GLP features
PC interface via USB
Specifications :
pH : Range : -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH
Resolutions : 0.1 pH; 0.01 pH; 0.001 pH
Accurancy : ± 0.01 pH; ± 0.002 pH
mV : Range : ± 2000.0 mV
Resolutions : 0.1 mV
Accurancy : ± 0.2 mV
ISE : Range : 1.00 E-7 to 9.99 E10 conc.
Resolutions : 3 digits 0.01, 0.1, 1, 10 conc.
Accurancy : ± 0.5% of reading ( monovalent ions) ; ± 1% of reading ( divalent ions)
Temperature Channel 1 : Range : â 20.0 to 120.0 º C ( 4.0 to 248.0 º F)
Resolutions : 0.1 º C ( 0.1 º F)
Accurancy : ± 0.2 º C ( ± 0.4 º F) ( excluding probe error)
Rel. mV Offset Range : ± 2000 mV
pH Calibration : up to five point calibration, seven standard buffers available ( 1.68, 4.01, 6.86,
7.01, 9.18, 10.01, 12.45) , and two custom buffers
pH Calibration Check⢠: yes
Slope Calibration  : from 80 to 110%
pH Temp. Compensation : manual or automatic from â 20.0 to 120.0 º C
( â 4.0 to 248.0 º F)
pH Electrode : HI 1131B glass body pH electrode with BNC connector and 1 m ( 3.3' ) cable ( included)
Temperature probe : HI 7662-T temperature probe with 1 m ( 3.3' ) cable ( included)
ISE Calibration : up to five-point calibration points 6 standard solutions available ( 0.1, 1, 10, 100, 1000, 10000 ppm)
EC : Range : 0.000 to 400 mS/ cm ( shows values up to 1000 mS/ cm) actual conductivity 1000
mS/ cm; 0.001 to 9.999 µ S/ cm; 10.00 to 99.99 µ S/ cm; 100.0 to 999.9 µ S/ cm;
1.000 to 9.999 mS/ cm; 10.00 to 99.99 mS/ cm; 100.0 to 999.9 mS/ cm; 1000 mS/ cm ( autoranging)
Resolutions : 0.001 µ S/ cm; 0.01 µ S/ cm; 0.1 µ S/ cm; 0.001 mS/ cm; 0.01 mS/ cm; 0.1 mS/ cm; 1 mS/ cm
Accurancy : ± 1% of reading ( ± 0.01 µ S/ cm or 1 digit whichever is greater) excluding probe error
resistivity : Range : 01.0 to 199.9 ohms; 100 to 1.999 ohms; 1.00 to 19.99 Kohms; 10.0 to 199.9
Kohms; 100 to 1.999 Kohms; 1.00 to 19.99 Mohms; 10.0 to 100.0 Mohms ( autoranging)
Resolutions : 0.1 ohm; 1 ohm; 0.01 Kohms; 0.1 Kohms; 1 Kohms; 0.01 Mohms; 0.1 Mohms
Accurancy : ± 1% of reading ( ± 10 ohms or 1 digit whichever greater) excluding probe error
TDS : Range : 0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999
g/ L; 10.00 to 99.99 g/ L; 100.0 to 400.0 g/ L ( autoranging)
resolutions : 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 g/ L; 0.01 g/ L; 0.1 g/ L
accurancy : ± 1% of reading ( ± 0.05 ppm or 1 digit whichever greater) excluding probe error
Factor : 0.40 to 1.00
Salinity : Range : % NaCl: 0.0 to 400.0 %
Resolutions : 0.10%
Accurancy : ± 1% of reading excluding probe error
Temperature Channel 2 : Range : -20.0 to 120° C
Resolutions : 0.1° C
Accurancy : ± 0.2 ° C ( excluding probe error)
EC Calibration : automatic up to two points with seven memorized standards ( 0.00 µ S/ cm, 84.0
µ S/ cm, 1.413 mS/ cm, 5.00 mS/ cm, 12.88 mS/ cm, 80.0 mS/ cm, 111.8 mS/ cm)
Constant Cell Setup  : 0.010 to 10.000
NaCl Calibration : max. one point only ( with HI 7037 standard)
EC Probe : HI 76310 platinum four ring conductivity/ TDS probe with 1 m ( 3.3' ) cable ( included)
Temperature Source : automatic from sensor inside the probe; manual entry
EC Temp. Compensation : NoTC, MTC, ATC
Reference Temperature : 15, 20, 25 ° C
Temperature Coefficient : 0.00 to 10.00 % / ° C
Log On Demand : 400 samples
Lot Logging : 5, 10, 30 seconds; 1, 2, 5, 10, 15, 30, 60, 120, 180 minutes ( max 600 samples)
PC interface : opto-isolated USB
Input Impedance  : 1012 Ohms
Power Supply : 12 VDC adapter ( included)
Environment / Dimensions / Weight : 0 to 50 ° C ( 32 - 122 ° F) RH max 55% non-condensing / 235 x 207 x 110 mm ( 9.2
x 8.14 x 4.33â ) / 1.8 Kg ( 4.1 lbs.)