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Alpha pH 200 Series pH / ORP ControllerAlpha pH 200 Series pH / ORP Controller

Alpha pH 200/Thermo Scientific เครื่องวัดและควบคุมค่าพีเอช และโออาร์พี

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Alpha pH 200 / Thermo Scientific เครื่องวัดและควบคุมค่าพีเอช และโออาร์พี เหมาะสำหรับการเพาะเลี้ยงสัตว์น้ำ การบำบัดน้ำเสียฯ
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เครื่องวัดและควบคุมค่าพีเอช และโออาร์พี Alpha pH 200

pH/ORP Controller/Transmitter

Product Features

Alpha pH 200 pH / ORP ControllerpH/ORP control is easy with the Alpha pH 200 limit controllers. Featuring 6 sub-menus accessible via a four-button keypad for quick, easy setup and calibration, the controller/transmitters also come with two levels of password to protect against unauthorised tampering.

For heightened security, use the Alpha pH 200 limit controller which only allows access to calibration and set-up menus via passwords.

:: Easy push-button calibration with USA/NIST buffer recognition for fast, effortless calibration. Controller freezes data transmission and relay activities during calibration and maintenance 

:: Symmetrical mode of operation for clear, uninterrupted readings even in electronically noisy environments   

:: Two SPDT relays with independent hysteresis – effective high/low set-points limit control with minimal relay-chattering  

:: Choice of automatic or manual temperature compensation. Three-wire system compensates error due to cable resistance  

:: 85 to 250 VAC. 50/60 Hz or DC variable input allows controller to be used with a wide range of supply voltages   

:: Full-scale 4 to 20 mA galvanically isolated current output for process control

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 0.01 pH
Accuracy ±0.01 pH
ORP
Range -999 to 1000 mV
Resolution 1 mV
Accuracy ±2 mV
Temperature
Range -10 to 110 ºC
Resolution 0.1 ºC
Accuracy ±0.5 ºC
Sensor Pt100; 2 or 3 wire
Compensation Auto/manual (0 to 100 ºC)
Set Point And Controller Functions
Set point 1 (SP1)/ 
set point 2 (SP2)
0.00 to 14.00 pH or -999 to 1000 mV
Switching pH Hysteresis 0.00 to 2.00 pH
Switching ORP Hysteresis 0 to 300 mV
Function Limit control
Contact Outputs 2 SPDT relays
Switching Voltage/ Current/Power Max. 250 VAC / max. 3 A / max. 600 VA
Electrical Data And Connections
Transmitter Function 4 to 20 mA scalable outputs for pH/ORP, galvanically isolated
Load 200 Ohm
pH/ORP Input BNC (1012 impedance); asymmetrical/symmetrical
Connection Terminal 3-pin, 7-pin & 9-pin terminal, detachable blocks
Display
LED 7 segments display
Power Supply
Input 85 to 250 VAC, 50/60 Hz
Main Fuse 250 mA, anti-surge, S504 Bussman
EMC Specifications
Emitted Interference According to EN 61326
Immunity To Interference According to EN 61326
Environmental Conditions
Operating Temperature Range -10 to 50 ºC
Max. Relative Humidity 10 to 95 % (non-condensing)
Mechanical Specifications
Dimensions (WxHxD) 96 x 48 x 150 mm
Weight 300 g (unit) / 350 g (packed)
Ingress Protection IP50

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