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German WTW Turb 355T 355IR 430T 430IR portable turbidity tester
German WTW Turb 355T 355IR 430T 430IR portable turbidity tester
Product details
CHARACTERISTICS
（1） TheTurb 430T/Turb 430IR
1、 The accuracy can meet the measurement requirements of the laboratory, making it easy to handle low turbidity measurements of drinking water.
2、 The menu interface is user-friendly and easy to operate
3、 Users can set calibration intervals to evaluate measurement results
4、 Measurement complies with pharmacopoeia5.0standard
5、 Compliant with strict requirementsGLP/AQArequire
(2） TheTurb 355T/Turb 355IR
Turb 355The portable turbidity detector is powered by batteries and uses infrared technologyLED（860nm）Based onISO 7027/DIN/EN 27027（EN ISO 7027）Or tungsten lamp(according toUS EPA)Perform turbidity measurement.
2、 Technical parameters
|
model |
Turb 430T/Turb 430IR |
Turb 355T/Turb 355IR |
|
Testing Principles |
90°Scattered light method |
90°Scattered light method |
|
light source |
Turb 430 IR：IR-LED，860 nm Turb 430TTungsten lamp |
Turb 355 IR：IR-LED，860 nm Turb 355TTungsten lamp |
|
range |
0…1100NTUAutomatic range switching |
0…1100NTUAutomatic range switching |
|
resolution |
0.01NTU（0.00…9.99NTU）/0.1NTU（10.0…99.9） /1NTU（100…1100） |
0.01NTU（0.00…9.99NTU）/0.1NTU（10.0…99.9） /1NTU（100…1100） |
|
accuracy |
0.01 NTUperhaps±2%test value |
±2%Test value or±0.01（0…99.99NTU）±0.1（100…500）±3% Test value（500…1100） |
|
reproducibility |
<±0.5%Test value or0.01NTU |
<±1%Test value or±0.1NTU |
|
correct |
automatic1…3Point Correction |
automatic1…4Point Correction |
|
reaction time |
3Second（IR），7Second (tungsten lamp) |
14second |
|
Test tubes used |
28×60mm, sample volume20ml |
25×45mm, sample volume15ml |
|
interface |
RS232, with adapterUSB |
RS232, with adapterUSB |
|
protection grade |
IP67 |
IP67 |
|
Special Features |
1000Group data storage, calibration protocol storage, real-time clock |
1000Group data storage, calibration protocol storage, real-time clock |
|
size |
Instrument:236 × 86 ×117mm |
Instrument:70×165×48mm (Long)×wide×High) Box:257×213×60mm (Long)×wide×High) |
|
weight |
0.6 kg |
1.22kg |
|
operate temperature |
0…50℃ |
0…50℃ |
|
power supply |
4individualAAalkaline battery, two thousandNext (tungsten lamp) or3000Next time（IR） |
4individualAAAlkaline manganese batteries can perform over1000Next test |
|
authentication |
CE，TUV/GS |
CE，TUV/GS |
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