This 2 in 1 pH meter with single hand operations measures the pH value of aqueous fluids through the galvanic potential difference between acidic, neutral or basic liquids. Furthermore, the temperature of the environment is measured and indicated with simultaneous display of both readings on the LCD display with permanent backlight illumination. In addition to the automatic temperature compensation (ATC) the device is IP-65 water proof and therefore ideal suitable for use in the educational, training and research areas.
Technical Specification:
| Model | TD-P21 | ||
| Measuring range | PH | 0.00～14.00PH | |
| Temp | 0～50℃ | ||
| Resolution | PH | 0.01PH | |
| Temp | 0.1℃ | ||
| Accuracy | PH | ±0.01PH | |
| Temp | ±0.1℃ | ||
| Automatic Temperature Compensation | 0℃～50℃ | ||
| Power Supply | 4×1.5V(AG13) | ||
| Environment | 0℃～50℃ | ||
| Calibration | 2 points with auto buffer recognition | ||
| Dimensions | 180mm×45mm×30mm | ||
| Weight | 200g | ||
Designed as a replacement for HID lighting, the RX-series is a high power, dimmable LED luminaire with a high IP rating. The robust all aluminium build, passive cooling and tempered glass cover ensure a long lifetime in the most demanding of environments.
The luminaire can be placed up to 4 m (13′) above the canopy. Typical lifetime is 50 000 hours for the light output to drop to 70% of nominal.
Model RX325 – 245 – 335 Watts (spectrum dependent)
Model RX360 – 370 Watts
Model RX400 – 395 Watts
Model RX500 – 480 – 490 Watts (spectrum dependent)
Model RX600 – 650 – 655 Watts (spectrum dependent)
Model RX800 – 795 Watts
18 h day / 6 h Night
Seeds
Ebb and flow
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