Table of contents
Specifications on page 3 Startup on page 10
General information on page 4 Operation on page 11
Installation on page 8 Maintenance on page 19
User interface and navigation on page 9 Troubleshooting on page 20
Specifications
Specifications are subject to change without notice.
Specification Details
Measurement method Nephelometric
Regulatory Meets ISO 7027, DIN EN 27027, DIN 38404 and NFT 9033
ASTM D7315 - Standard Test Method for Determination of Turbidity Above 1 Turbidity
Unit (TU) in Static Mode
ASTM D6655 - Standard Test Method for Determination of Turbidity Below 5 NTU in
Static Mode
Dimensions (W x D x H) 39.5 x 30.5 x 15.3 cm (15.6 x 12.0 x 6.02 in.)
Weight 2.9 kg (6.4 lb)
Enclosure IP30; indoor use only
Protection Class External power supply: Protection Class I; instrument: Protection Class II
Pollution degree 2
Installation category External power supply: Category II; instrument: Category I
Power requirements Instrument: 12 VDC, 3.4 A; power supply: 100–240 VAC, 50/60 Hz
Operating temperature 0 to 40 °C (32 to 104 °F)
Storage temperature –20 to 60 °C (–4 to 140 °F)
Humidity 5 to 95% relative humidity, non-condensing
Display 17.8 mm (7 in.) color touch screen
Light source Light-emitting diode (LED) at 860 ± 30 nm
Measurement units FNU and NTU
Range NTU/FNU: 0–1000
Accuracy
1,
2,
3
±2% of reading plus 0.01 FNU/NTU from 0–1000 FNU/NTU
Resolution Turbidity: 0.001 FNU/NTU (on lowest range)
Repeatability ±1% of reading or 0.01 FNU/NTU, whichever is greater (under reference conditions)
Response time Signal averaging off: 6.8 seconds
Signal averaging on: 14 seconds (when 10 measurements are used to calculate the
average)
1
Turbidity specifications identified using recently prepared formazin standard and matched 1-inch
sample cells.
2
Intermittent electromagnetic radiation of 3 volts/meter or greater may cause slight accuracy
shifts.
3
Reference conditions: 23 (± 2) °C, 50 (± 10)% RH noncondensing, 100–240 VAC, 50/60 Hz
English 3
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