מכשירי בקרה

alpha pH 190 בקר PH לפנל דגם A-pH-190, שני מימסרים, 4-20mA

Product Features

V	Quick Set Point Adjustment - SP1 and SP2 keys allow user to adjust set points easily

v	Direct Access to CAL Mode - enables user to enter calibration mode with a simple key press

v	User-Customisation with scrolling, 14-Segment LED - intuitive user interface guides user easily through setup functions

v	Symmetrical Mode Operation eliminates electronic noise problems when used with solution ground

v	Galvanically Isolated 4-20 mA Output for remote monitoring or hardcopy recording

v	Universal Power Supply Input from 85 to 250 VAC/DC allows use at multiple sites and withstands voltage fluctuations

v	Automatic Temperature Compensation with 3-wire Pt 100 system ensures accurate readings under fluctuating temperatures

v	Adjustable Hysteresis (Dead Band) prevents rapid contact switching near set point

v	Non-Volatile Memory retains all stored parameters and calibration data even if power fails

v	Easy Installation and Wiring with detachable plug-in connectors

Applications

General: Ideal for virtually any batch type application where pH or ORP control or adjustment is needed. Use as ORP monitor for ozone systems and general purpose pH monitor for all types of water treatment and chemical processes.

Aquaculture: Use for pH or ORP control in fish ponds and tanks.

Industrial: Use to treat batches of incoming process water, rinse water treatment, recirculating system and wastewater treatment. Suitable for pH or ORP control of plating tanks and chemical processing tanks. Ideal for low cost monitor with alarms for batch and process applications. Perfect for wastewater neutralization in small and medium sized batches.

Specifications

Product Specification	Description
pH Range	0.00 to 14.00 pH
Resolution & Accuracy	0.01 pH & ±0.01 pH
mV Range	-999 to 1000 mV
Resolution & Accuracy	1/ ±2.0 mV
Temperature Range	-10 to 110 °C
Resolution & Relative Accuracy	0.1 °C & ±0.5 °C
Temperature Sensor	Pt 100 (3-wire)
Temperature Compensation	Auto / Manual (0°C to 100°C)
Set Point and Controller Functions
Function	Limit Control
Switching Hysteresis	0.00 to 2.00 pH or 0 to 300 mV
Contact Outputs, Controller	2 SPDT relays
Switching Voltage/ Current/ Power	Max 250 VAC/ Max 3A/ Max 600 VA
Electrical Data and Connections
Power Requirement	85 to 260 VAC, 50/60 Hz or DC
Signal Output/ Load	4-20mA galvanically isolated / 200Ω
pH/ORP Input	BNC (10¹² Impedence)
Connection Terminals	3 detachable connectors (3-pin; 7-pin & 9-pin terminal blocks)
Main Fuse	250mA, Anti-surge (BUSSMAN S504 + 250mA)
Environmental Conditions
Maximum Relative Humidity	10 to 95 % (Non-condensing)
Ambient Temp. Operating Range	-10 to 50 °C
Mechanical Specifications
Dimensions	96 x 48 x 150 mm
Weights	300 g (boxed)