pH/Conductivity/Dissolved Oxygen meter with Optical Oxygen Sensor, Bluetooth

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Specifications

pH Range	0.00 to 14.00 pH*
pH Resolution	0.01 pH
pH Accuracy	± 0.02 pH
pH Calibration	one point, using HI9828-25 Quick calibration solution up to three points using five standard buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01) and one custom buffer
pH Temperature Compensation	automatic from -5 to 50 °C)
ORP Range	± 2000.0 mV
ORP Resolution	0.1 mV
ORP Accuracy	± 1.0 mV
ORP Calibration	one point (relative mV)
mV Range	pH in mV ± 600.0 mV
mV Resolution	pH in mV 0.1 mV
mV Accuracy	pH in mV
mV Relative Offset	± 0.5 mV
EC Range	0 to 200 mS/cm (absolute EC up to 400 mS/cm)
EC Resolution	auto-ranging: 1 µS/cm from 0 to 9999 µS/cm; 0.01 mS/cm from 10.00 to 99.99 mS/cm; 0.1 mS/cm from 100.0 to 400.0 mS/cm; auto-ranging (fixed mS/cm): 0.001 mS/cm from 0.000 to 9.999 mS/cm; 0.01 from 100.0 to 400.0 mS/cm ; manual: 1 µS/cm; 0.001 mS/cm; 0.01
EC Accuracy	±1 % of reading or ±1 μS/cm, whichever is greater
EC Calibration	One point, using HI9828-25 Quick calibration solution One point, using six standard solutions (84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm) or custom point
TDS Range	0 to 400000 ppm (mg/L); (the maximum value depends on the TDS factor)
TDS Resolution	manual: 1 ppm (mg/L); 0.001 ppt (g/L); 0.01 ppt (g/L); 0.1 ppt (g/L); 1 ppt (g/L); auto-ranging: 1 ppm (mg/L) from 0 to 9999 ppm (mg/L); 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L); 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L); auto-ranging (fixed ppt)
TDS Accuracy	±1 % of reading or ±1 ppm (mg/L), whichever is greater
TDS Calibration	Based on conductivity calibration
EC/TDS Temperature Compensation	automatic from -5 to 50 °C
Temperature Correction Coefficient	0.00 to 6.00 %/°C
EC to TDS Conversion Factor	0.00 to 1.00
Reference Temperature	20 °C or 25 °C
Cell Type	potentiometric four pole
EC/TDS Multi-range Measurement Modes	yes
Salinity (PSU) Range	0.00 to 70.00 PSU
Salinity (PSU) Resolution	0.01 PSU
Salinity (PSU) Accuracy	±2% of reading or ±0.01 PSU, whichever is greater
Salinity (PSU) Calibration	One point, using a custom solution
Salinity (Seawater Sigma) Range	0.0 to 50.0 σt, σ0, σ15
Salinity (Seawater Sigma) Resolution	0.1 σt, σ0, σ15
Salinity (Seawater Sigma) Accuracy	±1.0 σt, σ0, σ15
Salinity (Seawater Sigma) Calibration	Based on conductivity or salinity calibration
Resistivity Range	0 to 999999 Ω·cm
Resistivity Resolution	1 Ω·cm; 0.1 kΩ·cm; 0.0001 MΩ·cm
Resistivity Calibration	Based on conductivity or salinity calibration
Dissolved Oxygen Measurement Type	optical luminscent technology
Dissolved Oxygen Range	0.00 to 50.00 mg/L 0.0 to 500.0 % saturation
Dissolved Oxygen Resolution	0.01 mg/L 0.1 % saturation
Dissolved Oxygen Accuracy	±1.5 % of reading ± 0.01 mg/L from 0.00 to 20.00 mg/L ±5 % of reading from 20.00 to 50.00 mg/L ±1.5 % of reading ±0.1 % from 0.0 to 200.0 % saturation ±5 % of reading from 200.0 to 500.0 % saturation
Dissolved Oxygen Calibration	one point, quick calibration in water-saturated air One or two points, at 100 % and 0 % One point, using a custom solution (% saturation or mg/L )
Dissolved Oxygen Temperature Compensation	automatic from -5 to 50 °C
Altitude Compensation	automatic: 420 to 850 mmHg
Atmospheric Pressure Range	450.0 to 850.0 mmHg 17.72 to 33.46 inHg 600.0 to 1133.2 mbar 8.702 to 16.436 psi 0.5921 to 1.1184 atm 60.00 to 113.32 kPa
Atmospheric Pressure Resolution	0.1 mmHg; 0.01 in Hg; 0.1 mbar 0.001 psi; 0.0001 atm; 0.01 kPa
Atmospheric Pressure Accuracy	±3.0 mmHg within ±15°C from calibration temperature
Atmospheric Pressure Calibration	One point using a custom value
Temperature Range	-5.00 to 50.00 °C
Temperature Resolution	0.01 °C
Temperature Accuracy	±0.15 °C
Temperature Calibration	One point using a custom value
pH Electrode	HI7698194-0
pH/ORP Electrode	HI7698194-1 (supplied)
EC/TDS Probe	HI7698194-3 (supplied)
DO Probe	HI7698494-5 (supplied)
Multi-parameter Probe	HI7698494 (supplied)
Temperature Probe	built-in
Logging Type	interval and log on demand
Logging Memory	50000 records, interval logging 20000 records, log-on-demand of all parameters
Logging Interval	1 second to 3 hours
Connectivity	Bluetooth®, USB-C (mass-storage host), USB-C (mass-storage device)
Automatic Shut-Off	5, 10, 15, 20, 30, 60 minutes or disabled
GLP	yes
Display	backlit dot matrix
Battery Type/Life	Minimum 200 hours (AA batteries, without backlighting and Bluetooth®) Minimum 50 hours (Li-ion battery, without backlighting and Bluetooth®)
IP Protection	IP67
Environment	0 to 50 °C; RH 100 %
Dimensions	185 x 93 x 35.2 mm
Weight	435 g
Ordering Information	HI98494 is delivered in a rugged thermoformed carrying case and is supplied with, HI7698494 multi-sensor probe, HI7698194-1 pH/ORP sensor, HI7698194-3 EC/TDS/Resistivity/Salinity sensor, HI7698494-5 optical DO sensor, HI764113-1 DO smart cap with o ring, HI7698295 short protective probe shield, HI7698290 calibration beaker, HI9828-20 quick calibration standard solution (230 mL), HI7040 Zero oxygen solution set (120 mL), HI76984942 probe maintenance kit, HI920016 USB cable, 1.5V AA alkaline batteries (4 pcs.), instrument quality certificate, probe quality certificate, DO smart cap quality certificate, and instruction manual.
Notes	*The range may be limited by the sensor’s limits.
Warranty	Meter 2 years, sensors, electrodes and probes for six months