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Technique: 90° Infra-Red (ISO 7027)
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Range: 40, 100, 400 and 1,000NTU
– user selectable
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Resolution: 40NTU ±0.01NTU, 100NTU
±0.02NTU, 400NTU ±0.1NTU, 1,000NTU ±0.2NTU
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Repeatability: ±1% at 25°C
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Linearity: Better than 1% for 40NTU,
100NTU and 400NTU. 3% for 1,000NTU (using 3 point calibration)
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Temperature: -10°C to 50°C with ±0.1
resolution and ±0.5°C accuracy. Time constant 20 seconds in water
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Output: RS232 - 1200BPS, 7 data bits,
even parity, one stop bit
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Logging Interval: User set, from
less than 1 second to over 18 hours in 1 second increments
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Logging Capacity: 10,000 data sets
minimum but depends on memory capacity installed in the probe
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Calibration: 2 or 3 point calibration
for each range
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Power: Four 1.5V C cell batteries
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Wipe Time: 8 seconds nominal
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Depth Rating: 100 meter static water
column
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Operating Temperature: -10°C to 50°C
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Storage Temperature: -20°C to 55°C
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Construction: Stainless steel casing
with protruding castellations to protect the plastic fibre-optic
face
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Weight: 1,1 Kg - including batteries
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Dimensions: 506.5mm long, 36mm diameter
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