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HI2400-02 Benchtop Dissolved Oxygen Meter

DO Specifications

DO Range 0.0 to 300.0% saturation, 0.00 to 45.00 mg/L (ppm)
DO Resolution 0.01 ppm (mg/L); 0.1% saturation
DO Accuracy ±1.5% FS
DO Calibration one or two points at 0% (HI 7040 solution) and 100% (in air)
Salinity Compenstaion 0 to 40 g/L (with 1 g/L resolution)
DO Altitude Compensation 0 to 4000 m (with 100 m resolution)

Temperature Specifications

Temperature Range 0.0 to 50.0°C
Temperature Resolution 0.1 °C
Temperature Accuracy ±0.2°C (excluding probe error)
Temperature Compensation automatic from 0.0 to 50.0°C (32.0 to 122°F)

Additional Specifications

Electrode/Probe HI76407/2 polarographic DO probe with internal temperature sensor, DIN connector and 2 m (6.6’) cable (included)
Logging Interval 5, 10, 30 seconds or 1, 2, 5, 10, 15, 30, 60, 120, 180 minutes
Connectivity opto-isolated USB
Environment 0 to 50°C (32 to 122°F), RH max 95%
Power Supply 12 VDC adapter (included)
Dimensions 235 x 222 x 109 mm (9.2 x 8.7 x 4.3”)
Weight 1.3 kg (2.9 lbs)
Ordering Information HI2400 is supplied with HI76407/2 dissolved oxygen probe, HI76407A membrane caps (2), HI7041S electrolyte solution (30 mL), 12 VDC adapter and instructions.
Warranty 2 years (probe 6 months)
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HI2004-02 edge® Dedicated Dissolved Oxygen Meter .

DO Specifications

DO Range 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation
DO Resolution 0.01 ppm (mg/L); 0.1% saturation
DO Accuracy ±1.5% of reading ±1 digit
DO Calibration automatic one or two point at 100% saturation (8.26 mg/L) and 0% saturation (0 mg/L).
DO Temperature Compensation ATC: 0 to 50 ºC; 32.0 to 122.0 °F
Salinity Compenstaion 0 to 40 g/L (with 1 g/L resolution)
DO Altitude Compensation -500 to 4000 m (with 100 m resolution)

Temperature Specifications

Temperature Range -20.0 to 120.0 ºC, -4.0 to 248.0 °F
Temperature Resolution 0.1 °C, 0.1 °F
Temperature Accuracy ±0.5 °C, ±0.9 °F
°C/°F Yes

Additional Specifications

GLP Yes
Logging up to 1000 records organized in: Manual log-on-demand (Max. 200 logs), Manual log-on-stability (Max. 200 logs), Interval logging (Max. 600 samples; 100 lots)
Connectivity 1 micro USB port for charging and PC connectivity, 1 USB port for storage
Environment 0 to 50°C (32 to 122°F), RH max 95% non-condensing
Battery Type/Life Built-in rechargeable battery with up to 8 hours of continuous use
Power Supply 5 VDC adapter (included)
Dimensions 202 x 140 x 12.7mm (8” x 5.5” x 0.5”)
Weight 250 g (8.82 oz)
Ordering Information edge® HI2004 includes benchtop docking station with electrode holder, wall mount cradle, USB cable, HI 764080 Dissolved Oxygen electrode, HI 7041S Refill electrolyte solution, 2 DO membrane caps, 2 DO membrane cap o-rings, 5 VDC power adapter, and instruction.
Warranty 2 years (probe 6 months)
Notes * temperature limits will be reduced to actual probe/sensor limits
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HI2040-02 edge® Multiparameter DO Meter

pH Specifications

pH Range -2.000 to 16.000 pH, -2.00 to 16.00 pH, ±1000 mV
pH Resolution 0.001 pH, 0.01 pH, 0.1 mV
pH Accuracy (@25ºC/77ºF) ±0.2 mV, ±0.01 pH, ±0.002 pH
pH Calibration up to 5 points
pH Calibration Buffers 1.68, 10.01, 12.45, 4.01, 6.86, 7.01, 9.18, two custom buffers
pH Temperature Compensation ATC: -5.0 to 100.0ºC; 23.0 to 212.0°F*

EC Specifications

EC Range 0.00 to 29.99 μS/cm, 30.0 to 299.9 μS/cm, 300 to 2999 μS/cm, 3.00 to 29.99 mS/cm, 30.0 to 200.0 mS/cm, up to 500.0 mS/cm (absolute EC)**
EC Resolution 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm
EC Accuracy (@25ºC/77ºF) ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater)
EC Temperature Compensation ATC (0.0 to 100.0ºC; 32.0 to 212.0 °F), NoTC

TDS Specifications

TDS Range 0.00 to 14.99 ppm (mg/L), 15.0 to 149.9 ppm (mg/L), 150 to 1499 ppm (mg/L), 1.50 to 14.99 g/L, 15.0 to 100.0 g/L, up to 400.0 g/L (absolute TDS)**, with 0.80 conversion factor
TDS Resolution 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L
TDS Accuracy (@25ºC/77ºF) ±1% of reading (±0.03 ppm or 1 digit, whichever is greater)
TDS Calibration through EC calibration
TDS Conversion Factor 0.40 to 0.80

Salinity Specifications

Salinity Range 0.0 to 400.0% NaCl, 2.00 to 42.00 PSU, 0.01 to 42.00 PSU, 0.0 to 80.0 g/L*
Salinity Resolution 0.1% NaCl, 0.01 PSU, 0.01 g/L
Salinity Accuracy (@25ºC/77ºF) ±1% of reading

DO Specifications

DO Range 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation
DO Resolution 0.01 ppm, 0.1% saturation
DO Accuracy ±1 digit, ±1.5% of reading
DO Calibration one or two points at 0% (HI 7040 solution) and 100% (in air)
DO Temperature Compensation ATC: 0 to 50 ºC; 32.0 to 122.0 °F
Salinity Compenstaion 0 to 40 g/L (with 1 g/L resolution)
DO Altitude Compensation -500 to 4000 m (with 100 m resolution)

Temperature Specifications

Temperature Range -20.0 to 120.0 ºC, -4.0 to 248.0 °F
Temperature Resolution 0.1 °C, 0.1 °F
Temperature Accuracy ±0.5 °C, ±1.0 °F

Additional Specifications

pH Electrode Diagnostics Glass and reference junction diagnostics ( HI 11311 & HI 12301 only), out of calibration range , probe condition, response time
Logging up to 1000 records organized in: Manual log-on-demand (Max. 200 logs), Manual log-on-stability (Max. 200 logs), Interval logging (Max. 600 samples; 100 lots)
Connectivity 1 micro USB port for charging and PC connectivity, 1 USB port for storage
Environment 0 to 50°C (32 to 122°F), RH max 95% non-condensing
Power Supply 5 VDC adapter (included)
Dimensions 202 x 140 x 12.7mm (8” x 5.5” x 0.5”)
Ordering Information HI2040 DO kit includes: HI764080 Dissolved Oxygen electrode, HI7041S Refill electrolyte solution, 2 DO membrane caps, 2 DO membrane cap o-rings and Quality certificate.
Warranty 2 years (probe 6 months)
Notes * temperature limits will be reduced to actual probe/sensor limits
** with temperature compensation function disabled
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HI5421-02 Laboratory Research Grade Benchtop Dissolved Oxygen and BOD Meter

DO Specifications

DO Range 0.00 to 90.00 ppm (mg/L); 0.0 to 600.0 % saturation
DO Resolution 0.01 ppm (mg/L); 0.1% saturation
DO Accuracy ±1.5% of reading ±1 digit
DO Calibration automatic using single or two-point calibration; user calibration single point
DO Temperature Compensation 0.0 to 50.0 °C; 32.0 to 122.0 °F; 237.1 to 323.1 K
Salinity Compenstaion 0 to 45 ppt

Barometric Pressure Specifications

Barometric Pressure Range 450 to 850 mmHg; 560 to 1133 mBar (additional units available (kPa, mHg, psi, atm))
Barometric Pressure Resolution 1 mm Hg
Barometric Pressure Accuracy ±3 mm Hg + 1 least significant digit

Temperature Specifications

Temperature Range -20.0 to 120.0 ºC**; -4.0 to 248.0 ºF**; 253.15 to 393.15 K**
Temperature Resolution 0.1 °C, 0.1 °F, 0.1 K
Temperature Accuracy ±0.2 °C; ±0.4 °F; ±0.2 K (without probe)

Additional Specifications

Electrode/Probe HI76483 thin body, polarographic dissolved oxygen probe with internal temperature sensor and 1 m (3.3’) cable (included)
Measurement Modes direct DO; BOD (biochemical oxygen demand); OUR (oxygen uptake rate); SOUR (specific oxygen uptake rate)
GLP calibration data including date, time, and calibration points
Logging record: 100,000 data point storage, 100 lots with 50,000 records/lot; interval: settable between 1 second and 180 minutes max log time; type: automatic, manual, AutoHold
Display color graphic LCD with on-screen help, graphing, and custom color configuration
Connectivity USB
Environment 0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing
Power Supply 12 VDC adapter (included)
Dimensions 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
Weight 1.2 kg (2.64 lbs.)
Ordering Information HI5421 is supplied with HI76483 DO probe, HI76404W electrode holder, HI7041S electrolyte solution (30 mL), HI76483A DO membrane caps (2), 12 VDC adapter, instrument quality certificate and instruction manual
Warranty 2 years (probe 6 months)
Notes **Reduced to actual probe limits