Order Information: HI 4521-02 (230V) is supplied with HI 76312 conductivity/TDS probe, HI 1131B pH electrode, HI 7662-T temperature probe, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 700661 electrode cleaning solution sachet (2), HI 7071S electrolyte solution (30 mL), HI 76404N electrode holder 12 VDC adapter and instructions.
Product Manuals

Manual: Download

Specification :
pH Range -2.000 to 20.000 pH
Resolution 0.1 pH; 0.01 pH; 0.001 pH
Accuracy @ 20°C ±0.1 pH; ±0.01 pH; ±0.002 pH ±1 LSD
ORP Range ±2000 mV
Resolution 0.1 mV
Accuracy @ 20°C ±0.2 mV ±1 LSD
Conductivity Range 0.000 to 9.999 µS/cm; 10.00 to 99.99 µS/cm; 100.0 to 999.9 µS/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
Resolution 0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm
Accuracy @ 20°C ±1% of reading (±0.01 µS/cm)
Cell Constant 0.0500 to 200.00
Cell Type 2, 4 rings
Calibration Type auto standard recognition, user standard single point / multi point calibration
Calibration Reminder yes
Temperature Coefficient 0.00 to 10.00 %/ºC
Reference Temperature 15.0 °C to 30.0ºC
Profiles up to 10
USP Compliant yes
Resistivity Range 1.0 to 99.9 Ohms x cm; 100 to 999 Ohms x cm; 1.00 to 9.99 kOhms x cm; 10.0 to 99.9 kOhms x cm; 100 to 999 kOhms x cm; 1.00 to 9.99 MOhms x cm; 10.0 to 100.0 MOhms x cm
Resolution 0.1 Ohms x cm; 1 Ohms x cm; 0.01 kOhms x cm; 0.1 kOhms x cm; 1 kOhms x cm; 0.01 MOhms x cm; 0.1 MOhms x cm
Accuracy @ 20°C ±2% of reading (±1 Ohm x cm)
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 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt actual TDS (with 1.00 factor)
Resolution 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt
Accuracy @ 20°C ±1% of reading (±0.01 ppm)
Salinity Range practical scale: 0.00 to 42.00 psu; natural sea water scale: 0.00 to 80.00 ppt; percent scale: 0.0 to 400.0%
Resolution 0.01 for practical scale/natural sea water scale; 0.1% for percent scale
Accuracy @ 20°C ±1% of reading
Temperature Range -20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K
Resolution 0.1°C; 0.1°F; 0.1K
Accuracy @ 20°C ±0.2°C; ±0.4°F; ±0.2K (without probe)
Calibration pH automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01,9.18, 10.01, 12.45), and five custom buffers
Conductivity auto standard recognition, user standard single point/multi-point
Salinity percent scale—1 point (with HI 7037 standard)
pH Calibration Check™ yes
Relative mV Offset Range ±2000 mV
Input Channels 1 pH/ORP + 1 EC
GLP cell constant, reference temperature/coefficient, calibration points, cal time stamp, probe offset for conductivity
Temperature Compensation pH automatic or manual from -20.0 to 120.0°C/-4.0 to 248.0°/253 to 393K
EC disabled, linear and non-linear (natural water)
pH Electrode HI 1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
EC Probe HI 76312 platinum, 4-ring conductivity/TDS probe with internal temperature sensor and 1 m (3.3’) cable (included)
Temperature Probe HI 7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging Record 100 lots with 10,000 record/lot
Interval settable between 1 and max log time
Type automatic, log on demand, auto HOLD
Replatinization yes
Display color graphic LCD with on-screen help, graphing, language selection and custom configuration
PC Connection USB and RS232
Power Supply 12 VDC adapter (included)
Environment 0-50ºC (32 to 122ºF) (273 to 323K) RH max 95% non-condensing
Dimensions/Weight 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”) / 1.2 Kg (2.64 lbs.)

 Email: sahabatteknikindometer@gmail.com