
...setting the standard again and again
®
58
Multiparameter ▼ Handheld Meters
Durable waterproof and dustproof
design with IP67 rating
▼
Even with no probes attached and
the battery compartment open
Push-button calibration for all
parameters
▼
6 points for conductivity;
3 points for DO
Large backlit graphic display
▼
Multi-line display with electrode
status indicator, calibration data,
and more
User-settable “calibration due”
alarm
▼
Out-of-date or unperformed
calibrations are now things of
the past!
Built-in real-time clock
▼
Time-and-date stamping meets
Good Laboratory Practice (GLP)
standards
Store up to 500 data sets
▼
Infrared IrDA wireless technology
makes PC downloading convenient
and easy
Set point alarms
▼
Audible warning when readings
are outside set points limit
Research-grade accuracy
▼
Resolution to 0.001 pH and
accuracy to ±0.002 pH
Electrode status indicator
▼
Calibration data provides electrode
diagnostic tool
Password protection
▼
Security for calibration and
setup menus
Accessories
WD-35408-57 Conductivity cell, 2-electrode, K = 1
WD-35640-50 DO probe with 10-ft cable
WD-35434-85 Multiprobe holder. Holds one each
pH, conductivity, DO, and temperature probes
WD-35418-83 Optional adapter, 110/220 VAC
CD 650 Conductivity/
Dissolved Oxygen Meter
Great for salt water testing!
TDS factor: 0.40 to 1.00
Cell constant: 0.100 to 10.000
DO salinity correction
Range: 0.0 to 50.0 ppt
Resolution: 0.1 ppt
DO pressure correction
Range: 500 to 1499 mm Hg, 66.6 to 199.9 kPa
Resolution: 1 mm Hg, 0.1 kPa
Memory: up to 500 sets with GLP date and time
Output: infrared, IrDA
Real-time clock: time-and-date stamp on calibration
and stored data
Temperature normalization: 15 or 30 ºC
Temperature coefficient: linear or pure
Temperature compensation: automatic or manual
(selectable), from 0 to 100°C
Ambient operating temperature: 0 to 50°C (32 to 122°F)
Power: four 1.5 V AA batteries (included) or optional
universal AC adapter, up to 200 hours continuous use
Dimensions
Meter: 7.25"L x 3.25"W x 2.25"H
Boxed: 9.2"L x 9.2"W x 2.75"H (23 x 23 x 7 cm)
Weight
Meter: 1.0 lb (0.45 kg); Boxed: 2.0 lb (0.9 kg)
Ordering Information
Catalog number Description Included
WD-35433-02
CD 650 meter only Meter and batteries
WD-35433-00
CD 650 meter Meter, conductivity cell 35408-57, DO probe 35640-50, and batteries
WD-35433-70
CD 650 meter kit
Meter
, conductivity cell 35408-57, DO probe 35640-50, calibration standards
(60 mL each of pH 4.01, pH 7.00, 1413 μS/cm, and 12.88 mS solution), rubber
boot, multiprobe holder, batteries, and hard carrying case
Right: CD 650 meter
Left: Complete kit
available
Specifications
Mode CD 650 meter
Range
Conductivity 0 to 500.0 mS
TDS 0 to 500 ppt
Salinity 0 to 80 ppt
Resistivity 0 to 20.00 M
:
DO 0.00 to 90.00 mg/L (ppm), 0.0 to 600.0%
Temperature –10.0 to 110.0°C (14.0 to 230.0°F), selectable
Resolution
Conductivity 0.05% full-scale
TDS
0.05% full-scale
DO 0.01 mg/L (ppm), 0.1%
T
emperature 0.1°C (0.1°F)
Accuracy
Conductivity ±1% full-scale
TDS
±1% full-scale
DO ±0.2 mg/L; ±2%
T
emperature ±0.5°C (±0.9°F)
Calibration
Conductivity
Manual up to 5 points (1 per range);
automatic up to 4 points (84.0 μS/cm, 1413 μS/cm, 12.88 mS/cm, 111.8 mS/cm)
DO T
wo points; 100% and 0%
Temperature Offset 0.1°C (0.1°F) increments
See page 46 for more conductivity
cells; page 52 for DO probes.
http://www.novatech-usa.com/Products/Laboratory-Equipment-Supply-Products Tel: (281) 359-8538 Toll Free:(866) 433-6682
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