
...setting the standard again and again
®
57
Handheld Meters ▼ Multiparameter
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 each for pH and
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Out-of-date or unperformed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
Right: PD 650 meter
Left: Optional rubber
boot (included with
kit) provides added
protection
PD 650 pH/
Dissolved Oxygen Meter
Ideal for wastewater and aquaculture!
Specifications
Mode PD 650 meter
Range
pH –2.000 to 20.000 pH
Ion 0.001 to 19,900 ppm, molar
, or mg/L
mV ±2000 mV
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
pH 0.1/0.01/0.001 pH
Ion 2 or 3 digits
mV 0.1 mV
DO 0.01 mg/L (ppm), 0.1%
T
emperature 0.1°C (0.1°F)
Accuracy
pH ±0.002 pH
Ion ±0.5% full-scale (monovalent); ±1% full-scale (divalent)
mV ±0.2 mV
DO ±0.2 mg/L; ±2.0%
T
emperature ±0.5°C (0.9°F)
Calibration
pH
Up to 6 buffer values (select from 4 sets): USA: 1.68, 4.01, 7.01, 10.01, 12.45;
NIST
: 1.68, 4.01, 6.86, 9.18, 12.45; DIN: 1.09, 2.06, 4.65, 6.79, 9.23, 12.75;
or custom buffers
Ion
Up to 6 points
DO Two points; 100% and 0%
Temperature Offset 0.1°C (0.1°F) increments
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 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-35432-02
PD 650 meter only Meter and batteries
WD-35432-00
PD 650 meter Meter, ”All-in-One“ electrode 35816-77, DO probe 35640-50, and batteries
WD-35432-70
PD 650 meter kit
Meter
, ”All-in-One“ electrode 35816-77, DO probe 35640-50, calibration
standards (60 mL each of pH 4.01, pH 7.00, electrode storage solution, and rinse
water), rubber boot, multiprobe holder
, batteries, and hard carrying case
WD-35816-77 “All-in-One” pH electrode with
built-in ATC; double junction, epoxy body,
10-ft cable with BNC connector
WD-35418-05 ATC probe. Use for temperature
compensation with any pH electrode without
built-in ATC
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
See pages 25–30 for more pH
electrodes; 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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