ML4109 Temperature and Humidity Outdoor Data Logger

Outdoor Temperature Data Logger with Humidity

Instrument Specifications

Dimensions: 150 x 88 x 50 mm
Weight: 485 grams
Power Supply: 3.6V AA Lithium battery
Case Material: ABS & PC
Memory capacity: 50,000 readings
IP Rating: IP65

Technical Specification

Internal Temperature Probe: EE07 probe (11.8mm x 83mm)
Range: -20°C to +60°C
Accuracy: ±0.1°C between -10°C to +40°C,  ±0.3°C Outside these extremes
Display resolution: 0.1°C

External Temperature Probe: PT1000 (tolerance class A)
Range: -40°C to +60°C
Accuracy: ±0.1°C at 20°C
Resolution: 0.1°C

Humidity Probes: Capacitive Polymer
Recommended Range: 0-100%RH non condensing
Accuracy: ±2% (0-90%), ±3% (90-100%)
Temperature dependence: < (0.025 + 0.0003 x RH) []

Data Logger Functions

Logging intervals: Programmable from 10 seconds to 24 hours.
Record Capacity: 100,000 records
PC Interface: USB communications
Battery Life: Up to 3 years

N.B Instrument operating range -20°C to +65°C in a non-condensing RH environment