Clear, uninterrupted data transmission is no problem with the Alpha pH 500, even in environments with electrical interferences. User-friendly and cost efficient, the transmitter comes with a large LCD screen to double up as a monitor – very convenient for quick checks on-the-spot.
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Measures, displays and transmit pH/ORP with
temperature simultaneously
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Symmetrical Mode option, two-wire design and input-to-output isolation give clear, uninterrupted data transmission in electrically noisy ambient
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High quality, high resolution output at chart printers and other secondary devices
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Offset Adjustment Function allows you to adjust readings conveniently without having to remove electrode from the measurement tank or pipe
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Reliable, accurate measurements at different temperature with Automatic Temperature Compensation
Specifications
Product
Specification
Description
pH
Range
0.00 to 14.00 pH
Resolution
0.01 pH
Accuracy
±0.01 pH
ORP
Range
-1000 to 1000 mV
Resolution
1 mV
Accuracy
±2 mV
Temperature
Range
-10.0 to 110.0 ºC
Resolution
0.1 ºC
Accuracy
±0.5 ºC
Sensor
Pt100; 2 or 3 wire
Compensation
Auto/manual
Transmitter
Transmitter Function
4 to 20 mA scalable outputs for pH/ORP, galvanically isolated
Out-Of-Range Current Output
3.8 mA:
‘On’ select selects 3.8 mA
‘Off’ selects 4 mA (under range)
Selects 20 mA (over range)
Hold Current Output
22 mA:
‘On’ select selects 22 mA
‘Off’ selects last measured current value
Load
Max. 600 Ohm
Electrical
Data And Connections
pH/ORP Input
2-pin terminal; asymmetrical/symmetrical
Connection Terminal
3-pin & 8-pin terminal, detachable blocks
Display
LCD
7 segments display with symbols for status information
Power
Supply
Input
12 to 24 V DC
EMC Specifications
Emitted Interference
According to EN 61326
Immunity
To Interference
According to EN 61326
Environmental Conditions
Operating Temperature Range
0 to 40 ºC
Max. Relative Humidity
80 % up to 31 ºC decreasing linearly to 50 %
at 40 ºC
Mechanical
Specifications
Dimensions (WxHxD)
96 x 96 x 66 mm
Weight
210 g (unit) / 310 g (packed)
Ingress Protection
IP65
Order Information
Order
No.
Item
TSPHCTP0500
Alpha pH 500 wall/panel-mount pH/ORP 2-wire transmitter with 4-20 mA output and 12-24 V DC. Incl. cable glands, terminal blocks, gasket, threaded rods, catch, etc
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