Accuracy:
< 0.02 pH units plus sensor error; TC: 0.002 pH/K
< 1 mV plus sensor error; TC: 0.1 mV/K
< 1% of measured value ±0.4 µS/cm
Alarm:
Red LED with alarm or HOLD
Certifications:
SI792x;
ATEX Certification:
II 2 (1) G Ex ib [ia Ga] IIC T6 Gb
CE Marked to:
EMC Directive 2004/108/EC
ATEX Directive 94/9/EC
Enclosure: IP65
Communication:
4-20 mA Outputs, Hart
Current Output:
4-20 mA floating
Dimensions (H x W x D):
144 mm x 144 mm x 105 mm
Display:
LCD Display
Enclosure Rating:
IP65
Material Enclosures:
Transmitter: PBT (Polybutylene terephthalate)
Measuring Principle:
2-wire transmitter
Measuring Range Concentration:
0 - 50.00 mg/L; 0 - 50.00 ppm
0 - 9999 µg/L; 0 - 9999 ppb, 0.00 - 9.99% by weight (Applies to SI792(x) C only)
Measuring Range Conductivity:
0.2 µS/cm - 1000 mS/cm 4-electrode
Measuring Range ORP:
-1999 - 1999 mV
Measuring Range pH:
-2.00 - 16.00 pH
Measuring Range Salinity:
0.0 - 45 ‰ (0 - 35 °C)
Measuring Range Temperature:
PT 1000/PT 100: -20 - 150 °C
NTC: -20 - 130 °C
Memory Backup:
> 10 years Parameters and calibration data (EEPROM)
Mounting:
Wall, panel, or pipe (horizontal or vertical)
Operating temperature range:
-20 - 55 °C
Outputs:
4-20 mA Output/bus connection, galvanically separated
Power requirements (Voltage):
14 - 30 V DC
Security Levels:
Modifiable passcodes according to FDA 21 CFR part 11 “Electronic Signatures”
Sensocheck:
Sensocheck automatic monitoring of
glass and reference electrode (can be
disabled). delay: 30 seconds
Sensor monitor:
Direct display of measured values from
sensor for validation (electrode
potential/temperature)
Storage conditions:
–20 to 70 °C (–4 to 158 °F)
Strain Reliefs:
2 knockouts for ½ inch NPT or rigid metallic conduit, 3 knockouts for M20 x 1.5
Temperature Compensation:
Pt100/PT1000/NTC 300 Ω (selectable), 2-wire connection
Pt100/PT1000/NTC 300 Ω (selectable), 2-wire connection
Weight:
1 kg