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Hanna HI2550-02 pH/ORP/ISE/EC/TDS/NaCl Benchtop Meter (-2.0 to 16.0 pH; -2.00 to 16.00 pH; -2.000 to 16.000 pH)
Warranty: 12 month
- Range
+ pH: -2.0 to 16.0 pH; -2.00 to 16.00 pH; -2.000 to 16.000 pH
+ ISE & ORP: ±999.9 mV (ISE & ORP); ±2000 mV (ISE & ORP)
+ EC: 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 actual conductivity
+ TDS: 0.00 to 14.99 ppm; 15.0 to 149.9 ppm; 150 to 1499 ppm; 1.50 to 14.99 g/L; 15.0 to 100.0 g/L; up to 400.0 g/L actual TDS (with 0.80 factor)
+ NaCl: 0.0 to 400.0% NaCl
+ Temperature: –20.0 to 120.0 ºC (pH, EC range)
- Resolution
+ pH: 0.1 pH; 0.01 pH; 0.001 pH
+ ISE & ORP: 0.1 mV (±999.9 mV); 1 mV (± 2000 mV)
+ TDS: 0.01 ppm; 0.1 ppm; 1 ppm; 0.01 g/L; 0.1 g/L
+ NaCl: 0.1% NaCl
+ Temperature: 0.1 ºC
- Accuracy@ 20°C
+ pH: ±0.01 pH; ±0.002 pH
+ ISE & ORP: ±0.2 mV (±999.9 mV); ±1 mV (±2000 mV)
+ EC: ±1 % reading (±0.05 µS/cm or 1 digit, whichever greater)
+ TDS: ±1% of reading (±0.03 ppm or 1 digit, whichever greater)
+ NaCl: ±1% of reading
+ Temperature: ±0.4 ºC (excluding probe error)
- Calibration
+ pH: 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
+ EC: two point calibration; one point slope calibration; six buffers available: 84.0, 1413 µS/cm; 5.00, 12.88, 80.0, 111.8 mS/cm; one point offset: 0.00 µS/cm
+ NaCl: one point with HI 7037L standard (optional)
Probes pH HI 1131B glass body pH electrode with BNC connector and 1 m cable (included)
+ EC: HI 76310 platinum four ring conductivity/TDS probe with built-in temperature sensor and 1 m cable (included)
+ Temperature: HI 7662 temperature probe with 1 m cable (included)
Relative mV Offset: ±2000 mV
Temperature Compensation: manual or automatic from: -20.0 to 120.0 ºC (pH range) -20.0 to 120.0 ºC (EC range) (can be disabled on conductivity range to measure actual conductivity)
Cond. Temp.
Coefficient: 0.00 to 6.00 %/ºC (for EC and TDS only) default value is 1.90 %/ºC
TDS Factor: 0.40 to 0.80 (default value is 0.50)
Input Impedance: 10^12 ohms
PC Connectivity: opto-isolated USB
Log on Demand: 200 records
Log Interval Feature: 500 records; 5, 10, 30 sec and 1, 2, 5, 10, 15, 30, 60, 120, 180 min stability logging (“StAb”)
Power Supply: 12 VDC
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions: 235 x 218 x 108 mm (9.2 x 8.5 x 4.2”)
Weight: 1.3 Kg (2.9 lb); kit with holder 2.1 Kg (4.6 lb.)
