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Hanna Instruments HI 88703 User Manual

Page 9

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9

SPECIFICATIONS

Range - non ratio mode

0.00 to 9.99; 10.0 to 40.0 NTU
0.0 to 99.9; 100 to 268 Nephelos
0.00 to 9.80 EBC

Resolution - non ratio mode

0.01; 0.1 NTU
0.1; 1 Nephelos
0.01 EBC

Range - ratio mode

0.00 to 9.99; 10.0 to 99.9; 100 to 4000 NTU
0.0 to 99.9; 100 to 26800 Nephelos
0.00 to 9.99; 10.0 to 99.9; 100 to 980 EBC

Resolution - ratio mode

0.01; 0.1; 1 NTU
0.1; 1 Nephelos
0.01; 0.1, 1 EBC

Range selection

Automatically

Accuracy

±2% of reading plus 0.02 NTU (0.15 Nephelos; 0.01 EBC)
±5% of reading above 1000 NTU (6700 Nephelos; 245 EBC)

Repeatibility

±1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC)
whichever is greater

Stray Light

< 0.02 NTU (0.15 Nephelos; 0.01 EBC)

Light Detector

Silicon Photocell

Method

Nephelometric method (90°) or Ratio Nephelometric Method
(90° & 180°), Adaptation of the

USEPA Method 180.1 and

Standard Method 2130 B.

Measuring mode

Normal, Average, Continuous.

Turbidity Standards

<0.1, 15, 100, 750 and 2000 NTU

Calibration

Two, three, four or five-point calibration

Light Source

Tungsten filament lamp

Lamp life

greater than 100,000 readings

Display

40 x 70 mm graphic LCD (64 x 128 pixels) with backlight

LOG Memory

200 records

Serial Interface

USB

Environment

0 °C (32 °F) to 50 °C (122 °F); max 95% RH non-condensing

Power supply

230 V/50 Hz or
115 V/60 Hz 20 W

Auto Shut-off

After 15 minutes of non-use

Dimensions

230 x 200 x 145 mm (9 x 7.9 x 5.7”) L x W x H

Weight

2.5 Kg (88 oz.)