Product Details
ROC pH/ORP controller 5500 series
pH/ORP Controller – 5500 series industrial online pH meter is a kind of precise micro-computer industry online pH and ORP controller , which with large green font displayed on high-light LCD screen, kinds of prompts and status shows and with easy operation menu.
Description
pH/ORP Controller – 5500 series industrial online pH meter is a kind of precise micro-computer industry online pH and ORP controller, which with large green font displayed on the high-light LCD screen, kinds of prompts and status shows and with an easy operation menu.
Main Features
☆ There are two modes for measurement collection single high-resistance mode, and double high-resistance model.
☆ Switch the pH＆ORP function by the program. Meter can work with kinds of pH＆ORP sensor
☆ Double channels relay or double channels photoelectric switch can be selected.
☆ Double channels relay can support two-point alarm control which is suitable for pH or ORP measurement hysteresis.
☆ There are 2 calibration methods that can support buffer solution calibration and directly input calibration.
☆ Isolated external auto temperature compensation to satisfy highly accurate measurements.
☆ Isolated/transferable/reversible/passive/active,（4~20）mA
☆ Power supply DC 24V.
☆ The meters with rear cover for seal.
☆The meter with strong ability for anti-interference. There are Power filters and hardware watchdog circuit
Technique Parameters:
| Model | pH/ORP-7500 series pH/ORP transmitter controller | |
| Measurement range | pH | 0.00 ~ 14.00 |
| ORP | （-1999 ~ +1999）mV | |
| Temp. | （0.0 ~ 99.9）℃ | |
| Resolution | pH | 0.01 |
| ORP | 1mV | |
| Temp. | 0.1℃ | |
| Accuracy | pH | ±0.1 |
| ORP | ±5mV | |
| Temp. | ±0.5℃ | |
| Input impedance | ≥1.5×1012Ω | |
| Temp. Compensation range | （0 ~ 99.9）℃ | |
| Environment | Temp. | （0 ~ 50）℃ |
| Humidity | ≤85% RH | |
| Temperature sensor | NTC-10K | |
| Cable length | Standard 10m（or customized≤20m） | |
| Control output | Double relay (double contact ON/OFF), the backlash of high and low limits can be set | |
| contact capacity | AC 220V/AC 110V 2A(Max) DC 24V 2A(Max) | |
| Current output | Isolated/transferable/reversible/passive/active,（4~20）mA current loop （loop resistance≤500Ω）accuracy：±0.5%FS |
|
| Power supply | DC 24V±4V | |
| protection | IP65（with back cover） | |
| Consumption | ≤3W | |
| Outline dimension | 96mm×96mm×103mm（H×W×D） | |
| Hole dimension | 91mm×91mm（ H×W ） | |
| Installation | Panel | |
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