PH Meter PH-7500 Online
Quick Detail
- Minimum order:1
- Place of Origin:China
Specifications
Industrial PH Meter PH-7500
pH/ORP-7500 series industrial online pH meter is a kind of precise micro-computer industry online pH and ORP controller, whichwithlarge green font displayed on high-light LCD screen,kinds of prompts and status showsand with easy operation menu.
Main Features
☆ There are two modes for measurement collection single high-resistance mode, and double high-resistance model.
☆ Switch pH＆ORP function by 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 can supports buffer solution calibration anddirectlyinput calibration.
☆ Isolated external auto temperature compensation to satisfy high accurate measurement.
☆ 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 arePower filter 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), backlash of high and low limit 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 |
