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HD25.2 – Portable and Bench Turbidity Meter
Brand: Delta OHM S.R.L.
Portable and bench turbidity meter equipped with 3 photodetectors and two light sources; it measures according to the standard EPA 180.1, ISO-NEPH (ISO 7027), EBC and ASBC.
Automatic calibration, datalogger, data downloading to PC by RS232C or USB 2.0 through the software DeltaLog11.
The kit is composed of instrument, 4 empty cells, 5 calibration standards STCAL, rag for cells cleaning, 25cc silicone oil, 3 alkaline batteries 1.5 Vdc, instruction manual and carrying case.
The cables for data download to a PC and power supplier have to be ordered separately.
Specifications
Brand
Dimensions (Length x Width x Height)
- 220 x 120 x 55 mm
Weight
- 400 g (batteries included)
Materials
- ABS, Rubber
Display LCD
- 4-1/2 characters plus symbols
- Visible area: 52 x 42 mm
Instrument Working Temperature
- 0° to 50° C
Storage Temperature Instrument
- -25 to65° C
Working Relative Humidity
- 0 to 90 % R.H. without condensation
Storing of Calibration Standards
- 5 to 25° C (temperature should not exceed, protect from light)
Protection Degree
- IP66
Batteries
- Three 1.5 V type AA batteries
Autonomy
- 100 hours with 1800 mAh alkaline
Mains
- Mains adapter (cod. SWD10)
- 100-240 Vac/12 Vdc-1A
Measuring Standard
- EPA180.1
- ISO-NEPH (ISO 7027)
- EBC
- ASBC
- WHITE %T e IR %T
Light Source
- LED IR (850 nm) and white LED (470 nm)
Receiver
- Silicium photodiode
Sample Cell
- Ø24 mm - height 68 mm, 20cc
Method / Measuring Range
- EPA180.1 (0…1000 NTU)
- ISO-NEPH (0…1000 FNU)
- EBC (0…250 EBC)
- ASBC (0…9999 ASBC)
- WHITE %T (0…100 %T)
- IR %T (0…100 %T)
Resolution
- 0.01 NTU (0…9.99 NTU)
- 0.1 NTU (10.0…99.9 NTU)
- 1 NTU (100…1000 NTU)
Accuracy
- ± 2 % Reading + 0.01 NTU (0…500 NTU)
- ± 3 % Reading (500…1000 NTU)
Repeatability
- ± 2 % Reading or 0.01 NTU (the major one)
Security of Memorized Data
- Unlimited
Date and Hour
- Real time schedule
Quantity
- 999 samples
Serial Interface RS-232C Type
- RS-232C electrically isolated
Baud Rate
- Can be set from 1200 to 38400 baud
Data Bit
- 8
Parity
- None
Stop Bit
- 1
Flow Control
- Xon/Xoff
Serial Cable Length
- Maximum 15 m
USB Interface Type
- 1.1 - 2.0 electrically isolated
Serial Interface
- DB9 connector (9- pole male)
USB Interface
- USB connector type B
Mains Adapter
- 2- pole connector (Ø5.5 mm-2.1 mm). Positive at centre
