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Specification

2 - Wire pH Transmitter Model HDM-135A

Specifications :

Product Name : pH analyzer/ transmitter
Model : HDM-135A
Measurement Ranges
pH : -1.00~ 14.00pH
mV : -600.0~ + 600.0mV
Temperature : 0.0~ 100.0° C ( Indication only, no
output-signal)
Indication System : Digital indication ( LCD)
Resolution : pH; 0.01, mV; 0.1,
temperature; 0.1
o
C
Linearity : Within ± 0.03pH ( at equivalent input)
Output Signal : 4~ 20mA DC isolated from input,
load resistance; max 650©
Output Range : Adjustable in 0.1pH steps, with
minimum width of 2pH
Power Requirements : 24V DC ± 10%
Power Consumption : 0.6VA max
Ambient Conditions : -20~ 55
o
C, 99% RH or less
Construction : Outdoor installation, dust/ rainproof
Type ( IP55)
Weight : Approx. 3kg
Mounting : Mounted on 50A pipe
Cable Entry : G 3/ 4 ( PF 3/ 4 F) , 3 ports
Materials
Main Body : Cast aluminium alloy
Window : Plastic
Colour : Metallic silver and blue