Thermo Scientific Alpha pH 500

Product Features 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. :: Measures, displays and transmit pH/ORP with temperature simultaneously     :: Symmetrical Mode option, two-wire design and input-to-output isolation give clear, uninterrupted data transmission in electrically noisy ambient     :: High quality, high resolution output at chart printers and other secondary devices     :: Offset Adjustment Function allows you to adjust readings conveniently without having to remove electrode from the measurement tank or pipe     :: 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