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.
☆ 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 |