HANNA HI-2550 Multiparameter pH/ORP/ISE, EC/TDS/NaCl Benchtop Meter

Product Description

Key features

Practical wide-based bench meter with two input channels
Measures up to seven parameters
Simultaneous measurement of pH, EC and temperature using separate sensors (supplied)
Offering extra wide temperature range
One electrode holder included as standard
pH and EC electrodes and temperature probe all supplied as standard
Wide screen LCD and rubberised keyboard with intuitive buttons
Up to five point calibration with seven standard and two custom buffers
EC/ TDS auto ranging, manual ranging and range lock
HOLD button freezes readings on display
Automatic temperature compensation for pH & EC
Log on demand of up to 200 readings with USB connection for data download Interval logging of up to 500 samples

Specifications

Range – pH/ORP		-2.00 to 16.00 pH; -2.000 to 16.000 pH / ±699.9 mV; ±2000 mV
Range – EC		0.00 to 29.99 µS/cm; 30.0 to 299.9 µS/cm; 300 to 2999 mS/cm 3.00 to 29.99 mS/cm; 30.0 to 200.0 mS/cm; up to 500.0 mS/cm actual EC*
Range – 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*
Range – NaCl		0.0 to 400.0% NaCl
Range – Temperature		-10 to 120.0°C (pH); 0.0 to 60.0°C (EC)
Resolution – pH/ORP		0.01 pH; 0.001 pH / 0.1 mV (±699.9 mV); 1 mV (±2000 mV)
Resolution – EC		0.01 µS/cm; 0.1 µS/cm; 1 µS/cm; 0.01 mS/cm; 0.1 mS/cm
Resolution – TDS		0.01 ppm; 0.1 ppm; 1 ppm; 0.01 g/L; 0.1 g/L
Resolution – NaCl		0.1% NaCl
Resolution – Temperature		0.1°C
Accuracy – pH/ORP		±0.01 pH; ±0.002 pH / ±0.2 mV (±699.9 mV); ±1 mV (±2000 mV)
Accuracy – EC		±1% of reading ±(0.05 µS/cm or 1 digit)
Accuracy – TDS		±1% of reading ±(0.03 ppm or 1 digit)
Accuracy – NaCl		±1% of reading
Accuracy – Temperature		±0.4°C (excluding probe error)
Relative mV Offset Range		±2000 mV
Calibration – pH		automatic, at 1, 2 or 3 points, with 5 memorised buffers (4.01, 6.86, 7.01, 9.18, 10.01)
Calibration – EC		automatic, 1 point, with 6 memorised values (84.0 and 1413 µS/cm; 5.00, 12.88, 80.0 and 111.8 mS/cm)
Calibration – NaCl		automatic, 1 point, with HI-7037L calibration solutions
Temperature Compensation		manual or automatic, -10.0 to 120.0°C (14 to 248°F) for pH; 0.0 to 60.0°C (32 to 140°F) for EC; (can be disabled for measuring actual EC and TDS values)
Temperature Coefficient		0.00 to 6.00%/°C (EC and TDS only); default value: 1.90%/°C
TDS Conversion Factor		0.40 to 0.80; default value: 0.50
pH Electrode		HI-1131B (included)
EC Probe		HI-76310 (included)
Temperature Probe		HI-7662 (included)
PC Connection		RS232 opto-isolated serial port
Data Logging		200 samples
Input Impedance		10¹² Ohm
Power Supply		12 Vdc adapter (included)
Environment		0 to 50°C (32 to 122°F); RH max 95%
Dimensions		240 x 182 x 74 mm (9.4 x 7.2 x 2.9″)
Weight		1.1 kg (2.4 lb.)