• 1980 - World's first single-probe portable conductivity meter
• 1982 - World's first pH controlled chemical dosing pump
• 1984 - World's first microprocessor-based hand held pH meter
• 1985 - World's first pH electrode with built in temperature sensor
• 1986 - World's first electronic pocket-sized pH tester
• 1988 - World's first pre-amplified pH electrode
• 1990 - World's first waterproof portable pH meter
• 1991 - World's first replaceable electrode pH pocket tester
• 1992 - World's first portable pH meter with plain-paper printing
• 1995 - World's first pocket thermometer with cal-check feature
• 1997 - World's first pH tester with double junction electrode
• 1999 - World's first pH/temperature tester with dual level LCD
• 2000 - World's first multi-parameter (pH/conductivity/temperature) pocket tester
• 2002 - World's first colorimeter with cal-check feature
• 2003 - World's first pH meter with calibration check feature
• 2004 - World's first process pH meter with integrated cellular communication
• 2005 - World's first single parameter line of auto titrators for wine testing
• 2006 - World's first pre-amplified probe multi parameter portable meter
Specifications:
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Mobility | Handheld |
Display | Digital |
Brand | Hanna |
Model No / Item Code | HI 701 |
Resolution | 0.01 ppm |
Reading Accuracy | +-0.03 ppm (mg/L) +-3% |
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Minimum Order Quantity | 1 Piece |
Mobility | Handheld |
Display | Digital |
Brand | Hanna |
Viewing Geometry | 8 / d (8 DegreeFalloff / diffuse reflection) |
Measuring Apperture | 8 mm |
Weight | 64 g |
Color | Green |
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Range | O2 | 0.00 to 45.00 mg/L |
Range | % Saturation O2 | 0.0 to 300.0% |
Range | Temperature | 0.0 to 50.0°C |
Resolution | O2 | 0.01 mg/L |
Resolution | % Saturation O2 | 0.1% |
Resolution | Temperature | 0.1°C |
Accuracy | O2 | ±1.5% F.S. |
Accuracy | % Saturation O2 | ±1.5% F.S. |
Accuracy | Temperature | 0.5°C |
Calibration | automatic, in air, at 100% | |
Temperature Compensation | automatic, 0 to 50°C (32 to 122°F) | |
Altitude Compensation | 0 to 1900 m (100 m 326' resolution) | |
Salinity Compensation | 0 to 40 g/L (1g/L resolution) | |
Probe | HI 76407/4F with 4 m cable | |
Power Supply | 4 x 1.5 AA batteries / approx. 200 hours of continuous use; auto-off after 4 hours of inactivity; or input for 12 Vdc power adapter | |
Environment | 0 to 50°C (32 to 122°F); RH max 100% | |
Dimensions | 196 x 80 x 60 mm (7.7 x 3.1 x 2.4") | |
Weight | 500 g (1.1 lb.) |
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4.2/5
Reviewed by 26 Users
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