Lutron BPH-231 Bench pH / ORP Meter

Bench pH and ORP meter for 0 to 14.00 pH and ±1999 mV with auto calibration at pH 7, 4 and 10, ATC option and large backlit LCD.

Price and availability on request

Professional bench type meter with large size LCD display with green color back light.
One meter for multi purpose operation: pH and mV (ORP).
pH: 0 to 14.00 pH, ORP: ± 1999 mV.
pH measurement can select ATC or manual temperature adjustment.
High input impedance.
pH measurement can make the auto calibration for pH 7, pH 4 and pH 10 or other value.
Real time data logger (record year, month, date, hour, minute, second), 16,000 data logger.
Auto data record, 16,000 Data logger no.
Wide sampling time adjustment range from one second to 8 hours 59 minutes 59 seconds.
Auto data logger, manual data logger.
RS232 computer interface.
Max., Min., Data hold.
Can default auto power off or manual power off.
DC 1.5V (UM-3, AA) x 8 PCs or DC 9V adapter in.
Super large LCD display with backlight.
Wide applications: water conditioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college, water conditioning.

Specifications
Circuit	Custom one-chip of microprocessor LSI circuit.
Display	LCD size : 82 mm x 61 mm. * with green color backlight.
Data Hold	Freeze the display reading.
Memory Recall	Maximum & Minimum value.
Sampling Time of Display	Approx. 1 second.
Data Output	RS 232/USB PC computer interface. * Connect the optional RS232 cable UPCB-02 will get the RS232 plug.; * Connect the optional USB cable USB-01 will get the USB plug.
Operating Temperature	0 to 50 °C. - Main instrument.
Operating Humidity	Less than 80% R.H.
Power Supply	DC 1.5 V battery ( UM3 ) x 8 PCs, ( Heavy duty type ).; DC 9V adapter input.; @ AC/DC power adapter is optional.
Power Current	Operation ( LCD backlight ON ) : Approx. DC 23 mA; Operation ( LCD backlight OFF ) : Approx. DC 8 mA; Power OFF ( only internal clock running ) : Approx. DC 1.8 uA.
Weight	1049 g/2.3 LB.
Dimension	225 X 125 X 64 mm; ( 8.86 X 4.92 X 2.52 inch )

Accessories
Supplied with	Instruction manual:1 PC
Optional	* pH electrode:PE-03, PE-11, PE-01, PE06HD PE-04HD, PE-05T, PE-03K7 PE-02, PE-08, PE-21; * ATC ( Automatic Temperature Probe ):TP-07; * pH 7 buffer solution:pH-07; * pH 4 buffer solution:pH-04; * Carrying case:CA-03; * ORP electrode:ORP-14; * Carrying case:CA-08; * pH electrode hoder:EH-20; * AC to DC 9V adapter.; * RS232 cable, UPCB-02.; * USB cable, USB-01; * Data Acquisition software; SW-U801-WIN.; * Data Logger software, SW-DL2005.

Measurement Range
pH	0 to 14.00 pH
mV (ORP)	±1999 mV

Resolution
pH	0.01 pH

Accuracy
pH	±⁠(0.02 pH + 2d)
mV	±⁠(0.5% + 2d)

Technical details
Input Impedance	10^12 ohm

Temperature Compensation for pH Measurement
Manual	0 to 100°C, adjustable by push button
Automatic	0 to 65°C with optional temperature probe (TP-07)

Calibration
pH Calibration	pH7, pH4, and pH10, 3 points calibration

Data Logging
Auto Data Logger	1 sec to 8 hours 59 minutes 59 seconds

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.