HOBO* Temperature/Relative Humidity 3.5% Data Logger, records temperature and relative humidity (within 3.5% accuracy) in indoor environments with its integrated sensors, Range: -20 Deg to 70 Deg C, Accuracy: +/- 0.21 C from 0 to 50 deg C
HOBO* 4-Channel Thermocouple Data Logger, four-channel LCD data logger for measuring and recording temperature in a broad range of monitoring applications, Range: -260 to 1820 Deg C, can accept up to four J, K, T, E, R, S, B, or N type probes
HOBO* Extended Memory State Data Logger, records state changes, electronic pulses and mechanical or electrical contact closures from external sensing devices, One logger with 4 recording modes, Ships with 2.5 mm input cable, Pulse frequency: 50 Hz
HOBO* Temperature/Relative Humidity 2.5% Data Logger, records temperature and relative humidity (within 3.5% accuracy) in indoor environments with its integrated sensors, Range: -20 Deg to 70 Deg C, Accuracy: +/- 0.21 C from 0 to 50 deg C