8 | General Specifications
OdaLog Portable Gas Loggers
General Specifications
Storage of the Odalog instrument, with sensors fitted, should be limited to the temperature range of 0°C (32°F) to 25°C (75°F),
and between 20% to 80% RH.
Note:
STP = Standard Temperature and Pressure: 20°C (68°F) @ absolute pressure 101.3 kPa (14.7 psi).
.
Table 2. General Product Specifications
Specification
Odalog G20
Odalog G20 RTX
Operating temperature
-20°C (-4°F) to 50°C (122°F)
Instrument Relative
Humidity Range
5-95% RH
Ingress Protection
IP66/68 (1 m / 2 hr)
External Dimensions (DxH)
76.5 mm (3.01
”
) x 175 mm (6.89
”
)
Instrument Weight
Power Supply(s)
Primary D-Size Lithium Battery (see
)
Battery Life/ Run Time
Greater than 12 months
(for life of Lithium battery)
Greater than 8 months
(depends on signal strength and server
transmission interval)
Data Logging Capacity
More than 10 million data points
Memory
Micro SD card 8 GB Scandisk (SDSDQAF3-008G-XI)
Logging Interval
Selectable from 1 minute to 1 hour
Transmission Interval
N/A
Selectable from 30 min to 24 hr
Communication Module
USB, Bluetooth, Modbus
USB, Bluetooth, Modbus, 4G
Tri-Band Antenna
N/A
Water-proof (IP68)
Antenna specs
Frequency: 698-960 MHz / 1710-2710 MHz /
2500-2700 MHz
Dimensions:163 mm (6.41
”
) X 21.5 mm (0.85
”
)
Table 3. Calibration Gas & Flow Times for G20 and G20 RTX loggers
Gas
Model / Range
Recommended
gas level
Minimum Flow Rate
(ml/min)
Gas flow time
Hydrogen Sulphide (H2S)
0-200 ppm
50 ppm
250-500
15 min.
Hydrogen Sulphide (H2S)
0-2000 ppm
100 ppm
250-500
15 min.
