DO700-EU-EN v2.2 08/13
21
Specifications
pH Specifications
Measuring range -2.00 to 19.99 pH
Resolution 0.1/0.01 pH
Accuracy Meter only: ±0.01pH; with probe: ±0.02pH
Input current ≤2×10
-12
A
Input impedance ≥1×10
12
Ω
Stability ±0.01 pH/3h
Temp. Compensation range 0 to 100
o
C (32 to 212
o
F); Automatic (ATC)
mV Specifications
Measuring range (mV/E
H
) -1999 mV to 0 to 1999mV
Resolution 1mV
Accuracy Meter: ±0.1% FS
Conductivity Specifications
Conductivity measuring ranges 0.00 to 19.99 µS/cm
20.0 to 199.9 µS/cm
200 to 1999 µS/cm
2.00 19.99 mS/cm
20.0 to 199.9 mS/cm
TDS measurement range 0 to 100 g/L (TDS: Total Dissolved Solids)
Salinity measurement range 0 to 100 ppt
Resistivity 0 to 100 Mohms
Resolution 0.01/0.1/1 µS/cm and 0.01/0.1mS/cm
Accuracy Meter only: ±1% F.S.; with probe: ±2% F.S.
Electrode constant 0.1 / 1 / 10 cm
-1
Reference temperatures 25, 20, and 18
o
C (77, 68, and 64
o
F)
Temp. Compensation range 0 to 50
o
C (32 to 122
o
F); Automatic (ATC)
Dissolved Oxygen
Measuring range (0 to 40.00) mg/L (ppm) (0 to 200.0) %
Resolution 0.1/0.01 mg/L (ppm) 1/0.1 %
Accuracy Meter: ±0.10 mg/L; with electrode: ±0.40 mg/L
Response time ≤30 s (25
o
C, 90% response)
Residual current ≤0.1 mg/L
Temp. compensation range 0 to 45
o
C (32 to 112
o
F); Automatic (ATC)
Salinity compensation range 0 to 45 ppt; Automatic
Barometric pressure 66 to 200 kPa (Manual compensation)
Electrode type Polarogram type
Other Technical Parameters
Data storage 400 data groups
Storage content Data serial number, measurement, & unit of measure
Power Two ‘AA’ batteries (1.5V)
Size and weight Meter: 65 × 120 × 31mm (2.6 x 4.7 x 1.2”) / 180g (6.3 oz) Case:
360 x 270 x 76mm (14.1 x 10.6 x 3”) / 1.6kg (3.4 lbs)
Quality/Safety certification ISO9001, CE and CMC
Ambient Conditions
Environment temperature 5 to 35
o
C (41 to 95
o
F)
Environmental humidity ≤85%
IP rating IP57 Dustproof and waterproof
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