Deep Water Measurement of Oxygen, pH and Conductivity
The Multi 1970i Portable Multiparameter Meters have a convenient built-in preamplifier to work with the WTW deep water sensors for single-parameter operation at depths down to 330 ft (100 m). Up to three deep water sensors can be simultaneously connected to the Portable Multiparameter Meters using the adapter ADA/TA 197 pH. The WTW deep water sensor assemblies are pressure resistant up to 145 psi (10 bar), have an integrated temperature measurement, steel armoring, a screw-on protective hood and are available with up to 330 ft (100 m) of cable with a waterproof plug (IP 67). These compact sensors will even fit small monitoring wells down to 2” (50 mm). Choose one or all three: TA 197 Oxi oxygen probe, TA 197 pH pH probe or TA 197 LF 4-electrode conductivity probe.
Specifications
Air Pressure Comp.: Automatic with built-in pressure sensor for dissolved oxygen measurements
Salinity Correction: Automatic or manual for dissolved oxygen measurements
Ref. Temperature: 68 °F/77 °F (20 °C/25 °C) selectable for conductivity measurements
Ambient Conditions
Storage: -13 to 149 °F(-25 to 65 °C)
Operation: 14 to 131 °F(-10 to 55 °C)
Climatic Class: 2
Output: RS-232
Display: Multi-line LCD
Electrical Safety: Protective class III
Ingress Protection: IP 67
Power: Rechargeable NiMH battery
Battery life: Apprx. 600 hr per charge with power pack/charger
Dimensions: 3.54x7.87x7.48 in (90x200x190 mm)
Weight: 3.3 lb (1.5kg) (without plug-in power supply)
Certifications: CE
Ordering Information
Multi 1970i Portable Multiparameter Meter
Multiparameter meter with universal AC power supply. Probes not included.
Deep Water Sensor Assemblies and Accessories
TA 197 Oxi-25 Deep water oxygen sensor w/82 FT (25 m) cable
TA 197 Oxi-40 Deep water oxygen sensor w/131 FT (40 m) cable
TA 197 Oxi-60 Deep water oxygen sensor w/197 FT (60 m) cable
TA 197 Oxi-100 Deep water oxygen sensor w/328 FT (100 m) cable
BR 325 Stirrer accessory for TA 197 Oxi probes
TA 197 pH-25 Deep water pH sensor w/82 FT (25 m) cable
TA 197 pH-40 Deep water pH sensor w/131 FT (40 m) cable
TA 197 pH-60 Deep water pH sensor w/197 FT (60 m) cable
TA 197 pH-100 Deep water pH sensor w/328 FT (100 m) cable
TA 197 LF-25 Deep water conductivity sensor w/82 FT (25 m) cable
TA 197 LF-40 Deep water conductivity sensor w/131 FT (40 m) cable
TA 197 LF-60 Deep water conductivity sensor w/197 FT (60 m) cable
TA 197 LF-100 Deep water conductivity sensor w/328 FT (100 m) cable
ADA/TA 197 pH Connection accessory for up to three sensors
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