Detail Delta Ohm Turbidity Meter
Technical characteristics :
Instrument
Dimensions (Length x Width x Height) 220x120x55mm
Weight 400g (batteries included)
Materials ABS
Display LCD 4½ characters plus symbols
Visible area: 52x42mm
Operating conditions
Instrument working temperature 0 … 50°C
Storing temperature instrument -25 … 65°C
Working relative humidity 0 … 90% R.H. without condensation
Storing of Calibration standards 5…25°C (temperature should not ex-
ceed, protect from light)
Measuring methods
Standard EPA180.1, ISO-NEPH (ISO 7027), EBC,
ASBC, WHITE %T e IR %T
Light source LED IR (850nm) and white LED (470nm)
Receiver Silicium photodiode
Sample cell ∅24mm - height 68mm, 20cc
Measurement of turbidity
Method / Measuring range EPA180.1 (0…2100 NTU)
ISO-NEPH (0…150 FNU)
EBC (0…37.5 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…2000 NTU)
Accuracy ±2% reading + 0.01 NTU (0…500 NTU)
±3% reading (500…1000 NTU)
±5% reading (1000…2000 NTU)
Repeatability ±2% reading or 0.01 NTU (the major one)
Ordering codes
HD25.2K: The kit is composed of: instrument HD25.2, 4 empty cells, 5 calibration
standards STCAL, 3 1.5Vdc alkaline batteries, lubricant rag, 25cc Silicon oil,
instructions manual, carrying case and software DeltaLog11 for PCs running
Windows 98 to Xp.
Accessories
9CPRS232: Connection cable SubD female 9- pole for serial output RS232C
CP22: Connection cable USB 2.0 connector type A - type B
SWD10: Stabilized power supply at 230Vac/9Vdc-300mA mains voltage.
S’print-BT: Portable, serial input, 24 column thermal printer, 58mm paper width.
PL: Lubricant rag
OS1: Silicon oil - 25cc.
KCV: 4 empty sample cells ∅24x68mm
