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Proceso įranga pH/ORP/COND/DO/TDS transmiteriai
Proceso įranga pH/ORP/COND/DO/TDS transmiteriai pH transmiteris Thermo Scientific Alpha pH 2000D
pH transmiteris Thermo Scientific Alpha pH 2000D
1/2 DIN montuojamas ant sienos ; Matuoja: pH/mV/°C ; pH matavimo ribos nuo -2.00 iki 16.00 pH
Aprašymas
Applications:
General: Useful for any batch or on-line type application that requires accurate pH or ORP control.
Water Purification/Treatment: Use for batch and on-line control of incoming process water, rinse water treatment, recirculating system and waste water treatment.
Industrial: Ideal for chemical processing, food processing. aquarium, pharmaceutical, hydroponics and waste control industries.
Regulatory: Hook to recorder to document data for regulatory compliance.
Specifications:
|
Product Specification |
Description |
| pH | |
| Range | -2.00 to 16.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| ORP | |
| Range | -1000 to 1000 mV / 0 to 100 % |
| Resolution | 1 mV / 0.1 % |
| Accuracy | ±1 mV / ±0.2 % |
| Temperature | |
| Range | -10.0 to 110 °C / 14.0 to 230.0 ?F |
| Resolution | 0.1 ?C / 0.1 ?F |
| Accuracy | ±0.5 ?C / ±1.0 ?F |
| Sensor | NTC 300; 2 wire |
| Compensation | Auto/manual (independent process/CAL temperature) |
| Set Point And Controller Functions | |
| Set Point 1 (SP1)/ Set Point 2 (SP2) |
-2.00 to 16.00 pH or -1000 to 1000 mV or 0 to 100 % |
| Switching pH Hysteresis | 0.1 to 1 pH |
| Switching ORP Hysteresis | 10 to 100 mV or 1 to 10.0 % |
| Function (Switchable) | P/PI control (pulse length/pulse frequency/proportional integral); limit control; off |
| Adjustable Period With Pulse Length Controller | 0.5 to 20 sec |
| Adjustable Period With Pulse Frequency Controller | 60 to 120 pulse/min |
| Integral Action Time (IAT) | 0 to 999.9 min |
| Pickup/Dropout Delay | 0 to 2000 sec |
| Wash Cycle | 0.1 to 200.0 hr |
| Wash Duration | 1 to 2000 sec |
| Contact Outputs | 1 SPDT, 3 SPST relays |
| Switching Voltage/ Current/Power | 1/8 HP: at 125 VAC / max. 0.74 A / max. 93 VA 1/8 HP: at 250 VAC / max. 0.37 A / max. 93 VA |
| Alarm Functions | |
| Function (Switchable) | Steady or fleet (pulse) |
| Pickup Delay | 0 to 2000 sec |
| Switching Voltage/ Current/Power |
1/8 HP: at 125 VAC / max. 0.74 A / max. 93 VA 1/8 HP: at 250 VAC / max. 0.37 A / max. 93 VA |
| Electrical Data And Connections | |
| Transmitter Function | Two 0/4 to 20 mA scalable outputs for pH/ORP and temperature, galvanically isolated |
| CU 22 Function | 22 mA current output |
| Isolated Output Voltage | 12 V ±0.5 V (max. 50 mA) |
| Hold Function Switch |
To freeze output current and deactivate control relays |
| Load | Max. 600 Ohm |
| pH/ORP Input | 2-pin terminal (Differential) |
| Connection Terminal | 5-pin, 8-pin, 9-pin & 13-pin terminal, detachable blocks |
| Display | |
| LCD |
UV coat, backlit 14 segments display with symbols for status information |
| Backlight | On/off selectable with four levels of brightness control |
| Power Supply | |
| Input |
80 to 250 VAC/DC ; 50/60 Hz ; 10 VA |
| Main Fuse | 315 mA time delay, 250 V, Bussmann BK/GDC-315 mA |
| Pollution Degree | 2 |
| Transient Overvoltage Category | II |
| EMC Specifications | |
| Emitted Interference | According to EN 61326 |
| Immunity To Interference | According to EN 61326 |
| Environmental Conditions | |
| Operating Temperature Range |
0 to 40 ?C |
| Max. Relative Humidity | 80 % up to 31 ?C decreasing linearly to 50 % at 40 ?C |
| Mechanical Specifications | |
| Dimensions (WxHxD) | 144 x 144 x 110 mm |
| Weight | 950 g (unit) / 1100 g (packed) |
| Ingress Protection | IP66 (NEMA 4X) |
