Technical data
OPM223/253
94
10.5
Performance characteristics
10.6
Mechanical construction
Reference temperature
25 C (77 °F)
Measured value resolution
pH:
0.01 pH
ORP:
1 mV/0.1 %
Temperature:
0.1 C
Maximum measured error
1
1)
In accordance with IEC 746-1, for nominal operating conditions
Display
– pH:
– ORP:
– Temperature:
Max. 0.5 % of scope of measuring range
Max. 0.5 % of scope of measuring range
Max. 1.0 % of scope of measuring range
Signal output
– pH:
– ORP:
– Temperature:
Max. 0.75 % of scope of measuring range
Max. 0.75 % of scope of measuring range
Max. 1.25 % of scope of measuring range
Repeatability
pH:
Max. 0.2 % of scope of measuring range
ORP:
Max. 0.2 % of scope of measuring range
Zero point shift
Glass electrode:
pH 5.0 ... 9.0 (nominal pH 7.00)
Antimony electrode:
pH –1.0 ... 3.0 (nominal pH 1.00)
ISFET sensor
-500 ... +500 mV
Slope adjustment
Glass electrode:
38.00 ... 65.00 mV/pH (nominal 59.16 mV/pH)
Antimony electrode:
25.00 ... 65.00 mV/pH (nominal 59.16 mV/pH)
ISFET sensor
38.00 ... 65.00 mV/pH (nominal 59.16 mV/pH)
Offset
pH:
±2 pH units
ORP:
±120 mV/±50 %
Temperature:
±5 C
Design/dimensions
Panel-mounted
instrument:
L x W x D: 96 x 96 x 145 mm
(3.78" x 3.78" x 5.71")
Installation depth: approx. 165 mm (6.50")
Field device:
L x W x D: 247 x 170 x 115 mm
(9.72" x 1.70" x 4.53")
Weight
Panel-mounted
instrument:
Max. 0.7 kg (1.5 lb)
Field device:
Max. 2.3 kg (5.1 lb)
Material
Panel-mounted
instrument housing:
Polycarbonate
Field housing:
ABS PC Fr
Front membrane:
Polyester, UV-resistant
Terminals
Cable cross-section:
2.5 mm
2
Содержание OPM223
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