ECD DO82, Инструкция пользователя

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HYDRA-DS NO
3
-N Page 11
1.1 F
EATURES

Separate, economical, easily replaceable Nitrate, Chloride, and optional pH electrodes

Fast and Accurate Nitrate Measurement NO
3
or NO
3
-N

Automatic compensation for Cl interference

Temperature compensated NO
3
-N measurement

Rugged PVC design with removable electrode guard for easy maintenance

Integral Spray Head Cleaner
o
Cleans sensor in situ with turbulence caused by pressurized air

Internal Signal Conditioning allows up to 200 meters between Sensor and Analyzer
1.2 HYDRA-DS S
ENSOR
S
PECIFICATIONS

Three Electrode System with spray cleaner

Nitrate ISE (NO
3
-N) is the primary measurement

Chloride ISE is used for compensation of the NO
3
signal

Optional pH or NH
4
+
electrode

The Sensor is waterproof with an ingress rating of IP68
1.2.1 M
EASUREMENT
R
ANGE

NO
3
-N 0.1 to 1000 ppm

Cl
0.1 to 10,000 ppm

pH 2-12 ph

NH
4
+
0.1 to 1000 ppm
1.2.2 O
PERATING
T
EMPERATURE

0 °C to 40 °C (32 °F to 104 °F)
1.2.3 M
IN
/M
AX
F
LOW
R
ATE BY THE SENSOR

Minimum 0.1 m/s

Maximum 3.0 m/s
1.2.4 W
ETTED
M
ATERIALS

PVC, PEC, PVDF, PTFE, Viton, Glass, 316 SS
1.2.5 A
CCURACY

± 3% of reading, dependent on Calibration
1.2.6 R
ESPONSE
T
IME

T90 approximately 1 minute
1.2.7 E
LECTRODE
L
IFE

ISEs: 4-6 months, typical

pH electrode: 6-12 months, typical