Extech DO700 Portable Dissolved Oxygen Meter

Item #:

EXT-DO700

Brand:

Extech

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Description

DO700 Portable Dissolved Oxygen Meter by Extech

Features

Automatic salinity compensation and manual barometric pressure compensation for DO measurements
Waterproof housing (meets IP57)
One button pH calibration (4, 7, and 10pH)
Choice of 3 point pH calibration for better accuracy
One point Conductivity calibration ? automatically recognizes 8 calibration solutions from USA, Europe and China series
Automatic Temperature Compensation (non-linear compensation for purified water <10μS/cm to improve measuring accuracy)
Memory stores up to 400 readings with series number, measured value and temperature
Large blue backlit dual LCD display
Auto power off saves battery life with disable function
Complete with Dissolved Oxygen probe with 3 membrane caps and DO internal fill solution (30mL), pH/mV/Temperature electrode, polymer Conductivity cell, pH calbration solutions (4, 7, and 10pH), Conductivity calibration solution (1413μS), 2 AA batteries, and hard carrying case

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	≥1×10¹² Ω
Stability	±0.01 pH/3h
Temp. Compensation range	0 to 100°C (32 to 212°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°C (77, 68, and 64°F)
Temp. Compensation range	0 to 50°C (32 to 122°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 (25o C, 90% response)
Residual current	≤0.1 mg/L
Temp. compensation range	0 to 45°C (32 to 112°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°C (41 to 95°F)
Environmental humidity	≤85%
IP rating	IP57 Dustproof and waterproof