VP Essentials Sensor User Manual (Rev. A)
16
Mesa Labs, Inc.
12100 W. 6th Avenue
Lakewood, CO 80228 USA
Tel: 303-565-2724
monitoring.mesalabs.c
om
9.0
New Battery
*Note: The units require two (2) AA 1.5v Alkaline batteries MesaLabs PN TWA53-A.
Following the instructions in section 7.1 Open Enclosure and open the enclosure.
Following the instructions in section 7.2 Inserting Batteries. Note the direction and polarity of the
batteries compared to the battery connector polarity. Replace both batteries with new batteries. Do
not mix new and used batteries.
Following the instructions in section 7.1 Open Enclosure and assemble the enclosure.
The sensor will detect the new batteries an automatically set the battery meter for the new batteries.
10.0
Specs
All specs below are estimated ranges for the described inputs. Please refer to the probe specification
documentation for the exact application ranges and tolerances.
Input Range
Sensor Thermistor Input
Range: -50°C to 125°C
Air Temperature Probe
–
(P/N 72107)
3" Stainless Steel Temperature Probe- (P/N 72105-12)
Range: 4°C to +37°C
Tolerance: ±0.5°C @ -25°C to +45°C (±1.0°C @ -90°C to -26°C and +46°C to +140°C)
Temperature and Humidity Probe
–
(P/N 72112)
Range: +10°C to 40°C and 10% RH to 90% RH
Accuracy: ±0.4°C and ±3% RH
Operating Environment
15 °C to 40 °C and 0-90% RH non-condensing
Storage Capacity
2,500 logged packets (2 analog and 1 discreet input) (with a transmit time of 5 minutes
the sensor will hold 8.6 days. For 15 minutes the sensor will hold 26 days).
Battery
2 1.5V AA Cell (Alkaline or Lithium)
Battery Life
Varies with Transmit Interval
5 minutes
1 year
15 minutes
2 year