pH-221 Lutron ATC, two displays, auto calibration
Features
- pH : 0 to 14.00 pH, mV : ± 1999 mV
- mV function is used to accept the ORP electrode
- BNC socket input, can accept most kind pH electrode
- Separate pH electrode, easy for general purpose and remote measurement
- pH measurement can select automatic temperature compensation ( via. optional Temp. probe ) or manual temperature adjustment
- High input impedance for the pH function
- Auto calibration for pH 7, pH 4 and pH 10 or other value
- LCD with two display, easy readout
- Manual and auto data logger, with flexible sampling time selection, can save max. 1,600 reading data
- Can default auto power off or manual power off
- Temperature unit can default to ¡æ or ¨H
- Microcomputer circuit, intelligent function, high accuracy
- Records Maximum and Minimum readings with recall
- Data hold function for freezing the desired value
- Build in the input socket for DC 9V power adapter
- RS232 PC serial interface
- Heavy duty & compact housing case
- Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions
| pH Electrode | Optional, Any pH electrode with BNC connector | |
| Measurement | pH | 0 to 14 pH |
| mV | -1999 mV to 1999 mV | |
| Input Impedance | 10^12 ohm | |
| Temperature compensation for pH measurement | Automatic (ATC) | With the optional temperature probe ( TP-07 ) 0 to 65 ¡æ |
| pH Calibration | pH 7, pH 4, and pH 10, 3 points calibration ensure the best linearity and accuracy. Other calibration point that near the pH 7, pH 4, and pH 10 are available | |
| Circuit | Custom one-chip of microprocessor LSI circuit | |
| Display | LCD size : 44 mm x 29 mm, dual function LCD display | |
| Data Hold | Freeze the display reading. | |
| Sampling Time of Data Logger | Manual | Push the data logger button once will save data one time. * Set sampling time to 0 second |
| Auto | 1, 2, 5, 10, 30, 60, 600, 1800, 3600 seconds | |
| Data Logger number | Max. 1,600-point Data logger | |
| Memory Recall | Maximum & Minimum value | |
| Sampling Time of display | Approx. 1 second | |
| Power off | Auto power shut off to save battery life or manual power off | |
| Data Output | RS 232 PC serial interface | |
| Operating temperature | 0 to 50 ¡æ | |
| Operating Humidity | Less than 80% RH | |
| Power Supply |
006P DC 9V battery ( Alkaline or Heavy duty type ). DC 9V adapter input. * AC/DC power adapter is optional |
|
| Power Current | Approx. DC 6 mA. | |
| Weight | 200 g/0.44 LB. * Include probe and batterry. | |
| Dimension | 135 x 60 x 33 mm | |
