Page 7
1.3 Specifications
Ranges........................................................................... 0 to 199.9 % Saturation
................................................................................... or 0 to 19.99 ppM (mg/L)
........................................................................................................ (Factory-set)
Resolution ................................................................................0.1 % Saturation
............................................................................................. or 0.01 ppM (mg/L)
Accuracy ............................................................................... ±0.2 % of full scale
Linearity...................................................................................................±0.1 %
Repeatability.............................................................................................±0.2 %
Ambient Drift .........................................................<0.05 % span per 1
o
C change
Long term drift ............................................................................ <0.2% per year
Zero Range ................................................................................................±10 %
Span Range ...................................................................................... 70 to 130 %
Temperature Compensation................ Dual automatic temperature compensation
.......................................................................... system, 0 to 50
O
C (sensor limit)
Enclosure........................................................ Polycarbonate, waterproof to IP65
Display...........................................12.7 mm LCD (optional remote 4-20mA loop
powered display available)
Analogue Outputs ........................... 4 to 20mA (500 Ohms max. loop resistance )
0 to 1 V DC (min. load 1000
Ω
)
0 to 10 V DC optional (min. load 1000
Ω
)
Control Output (optional).................................... Clean contact changeover relay,
rated to 2A at 240V AC
Isolation............................................................ Galvanic isolation of sensor input
Power .................................................... 240V AC, 50/60Hz (120V AC optional)
Dimensions ............................................................................ 172 x 160 x 71 mm
Mass ...................................................................Instrument only : Approx 800g
Full Kit
: Approx 1.5kg
Operating Environment: .......................................Temperature
:
0 to 45
o
C
Humidity
:0 to 95 % R.H.
