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Plug-in Module Specications
LR8530 Wireless Voltage/Temp Unit
Operating
environment
Indoors, Pollution Degree 2, altitude up to 2000 m (6562 ft.)
Operating
temperature and
humidity range
−20°C to 55°C (−4°F to 131°F), 80% RH or less (non-condensing)
(Charging temperature range: 5°C to 35°C)
Storage temperature
and humidity range
−20°C to 60°C (−4°F to 140°F), 80% RH or less (non-condensing)
Maximum input
voltage
±100 V DC
Maximum channel-to-
channel voltage
300 V DC
Maximum rated
terminal-to-ground
voltage
300 V AC, DC (Measurement Category II)
Between any input channel (+, −) and the enclosure
Anticipated transient overvoltage: 2500 V
LR8531 Wireless Universal Unit
Operating
environment
Indoors, Pollution Degree 2, altitude up to 2000 m (6562 ft.)
Operating
temperature and
humidity range
−20°C to 55°C (−4°F to 131°F), 80% RH or less (non-condensing)
(Charging temperature range: 5°C to 35°C)
Storage temperature
and humidity range
−20°C to 60°C (−4°F to 140°F), 80% RH or less (non-condensing)
Maximum input
voltage
±100 V DC
Maximum channel-to-
channel voltage
300 V DC (The SoL terminals used to connect resistance temperature detectors and
resistors are not isolated as they are shorted for all channels internally.)
Maximum rated
terminal-to-ground
voltage
300 V AC, DC (Measurement Category II)
Between any input channel (SoH, SoL, +, −) and the enclosure
Anticipated transient overvoltage: 2500 V
LR8532 Wireless Voltage/Temp Unit
Operating
environment
Indoors, Pollution Degree 2, altitude up to 2000 m (6562 ft.)
Operating
temperature and
humidity range
−20°C to 55°C (−4°F to 131°F), 80% RH or less (non-condensing)
(Charging temperature range: 5°C to 35°C)
Storage temperature
and humidity range
−20°C to 60°C (−4°F to 140°F), 80% RH or less (non-condensing)
Maximum input
voltage
±100 V DC
Maximum channel-to-
channel voltage
300 V DC
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