pH / mV / Dissolved Oxygen / Temperature
Affordable optical RDO technology reduces maintenance time and costs
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Maintenance free optical probe with no electrolyte eliminates hassle of replacing delicate membranes and salt build up from refillling solutions
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Switch between pH, mV, % saturation and mg/L (ppm) dissolved oxygen – With the press of a button
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Durable waterproof and dustproof design with IP67 rating
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Large, backlit graphic display provides measurement with temperature
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Calibrate up to 5 points automatically with USA or NIST buffer groups (up to 6 points with DIN). New manual option allows calibration with up to 5 custom buffer standards
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Auto buffer recognition – Automatically identifies the correct pH buffer for rapid calibration
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Calibration due alarm – Set a visible reminder when it is time to recalibrate the meter
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Selectable ºC or ºF – Choose units to best fit your application
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Ready indicator, manual or automatic measurement hold feature and optional automatic shutoff function
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Store up to 500 data sets – Easy USB or RS232 output with optional data cables
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Built-in real-time clock stamps stored data and calibration data with time and date – Meets standards for GLP (Good Laboratory Practices)
Calibration
Chamber
RDO
Weight/Guard
RDO
Sensor Cap
RDO
Probe
Specifications
Product
Specification
Description
pH
Range
-2.00 to 16.00 pH
Resolution
0.01 pH
Accuracy
±0.01 pH
Calibration
Up to 6 points: USA, NIST, DIN or custom
mV
Range
±2000 mV
Resolution
0.1 mV ±999.9 mV; 1 mV beyond
Accuracy
±0.2 mV +2 LSD or +0.5 % of reading; whichever is greater
Calibration
±200 mV
Dissolved Oxygen
Range
0 to 200 %; 0 to 20 ppm/mg/L
Resolution
0.10 %; 0.1 ppm/mg/L
Accuracy
±2 %; ±0.1 ppm or mg/L up to 8;
±0.2 ppm or mg/L above 8
Calibration
Zero and saturation
Temperature
Range
-10.0 to 110.0 ºC (14.0 to 230.0 ºF)
Resolution
0.1 ºC/ºF
Accuracy
±0.5 ºC; ±0.9 ºF
Calibration
Offset in 0.1 increments, ±10 ºC or ±18 ºF
Others
Display
Custom LCD with backlight
Memory
Stores up to 500 data sets
Output
USB or RS232
Real-Time Clock
Time and date stamp on calibration and stored data
Temperature
Compensation
Automatic or manual from -10 to 110 ºC
Pressure & Salinity Compensation
Manual
Power
Two AA batteries (included), >100 hours (without backlight); AC adapter (optional)
Dimensions (L x W x H)
Meter: 7 7/8" x 3 1/8" x 2 1/4" (20 x 8.3 x 5.7 cm)
Boxed: 9 1/8" x 9 1/8" x 2 3/4" (23 x 23 x 7 cm)
Weight
Meter: 1 lb (0.5 kg)
Boxed: 1.4 lb (0.7 kg)
Order Information
Order
No.
Item
Meter
ECPDWP45000
PD 450 Meter Only: Meter, two AA batteries
ECPDWP45004
PD 450 Meter & Electrodes: Meter, pH/ATC electrode, RDO electrode with sensor cap, two AA batteries
ECPDWP45004K
PD 450 Meter Kit: Meter, pH electrode,
RDO electrode with sensor cap, two AA batteries, hard carry case, USB cable, RDO stainless steel weight/guard, RDO calibration chamber, calibration solutions
Electrodes
ECDA9350603B
Replacement pH electrode, submersible,
single-junction, ABS, 26 mm diameter, BNC, 3 m cable
RDO3M
RDO probe, 3 m (10 ft) cable
RDO6M
RDO probe, 6 m (20 ft) cable
RDO15M
RDO probe, 15 m (50 ft) cable
Accessories
RDOCAP
Replacement RDO sensor cap
RDOWEIGHT
RDO weight/guard, screw thread to attach to probe
RDOCALCHAMBER
Calibration chamber
60X426401
Optional 100 / 240 VAC SMPS power adapter, 9 V, 6 W
MINIPHONEUSB
USB cable for 450 series, mini phone plug to USB
30X427301
RS232 cable for 450 series, mini phone plug to RS232 9-pin (F)
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