Technical Specifications; Observed Regulations/Standards (Minimum Requirement); Technical Data - ProMinent DULCOTEST CLO 1 Guide D'utilisation

Technical Specifications

11

Technical Specifications

11.1 Observed regulations/
standards (minimum
requirement)
EN 61010-1
n
EN 60730-1
n
EN 60730-2
n
EN 61326-1
n
11.2

Technical data

Measured variable
n
– Free chlorine (hypochlorous acid
HOCl)
– In contrast to the DPD-1 meas‐
urement, organic chlorine com‐
pounds (such as, e.g. isocyanuric
acid derivatives) feign a chlorine
concentration that is too low, and
cannot be reliably measured
Applications
n
– Water of drinking water quality
(observe pH range), swimming
pool, uncontaminated drinking
water and industrial process
water, no sea water, no VE water
(conductivity > 50 μS/cm)
Measurement range
n
– CLO1 - mA - 10 ppm accords to
0.1 ... 10 mg/l
– CLO1 - mA - 2 ppm / CLO2 - mA
- 2 ppm accords to 0.02 ... 2 mg/l
pH range
n
– 5 - 9
Conductivity of sample water
n
– 0.05 mS/cm to 10 mS/cm
Resolution
n
– 100 % of lower limit of measuring
range
Zero point
n
– 4.00 mA
36
Electrical zero point error
n
– ± 0.12 mA
Maximum operating pressure
n
– 8 bar, no negative pressure
Cross-sensitivity
n
– Ozone (O
– mono-, di-/trichloroamine
– Iodine
– CIO
2
– Bromine
– Bromamines
Faults
n
– Rust
– Lime
– Surfactants (e.g. tensides from
cleaning agents)
– Hardness stabilisers
may deposit on the electrodes and cause
incorrect measurements
)
3