Product guide

11
Humidity and Dew-Point Instruments
Please note: Michell Instruments adopts a continuous development program which sometimes
necessitates specifi cation changes without notice. Please contact us for latest version.
www.michell.com
Environmental Control
PCMini70
Relative Humidity and Temperature Mini Probe
The PCMini70 is a relative humidity mini probe based on the
interchangeable Hygrosmart module.
Highlights
• Designed for OEM applications
• Based on the interchangeable Hygrosmart module
• Compact housing
Technical Specifi cations
Performance
Measurement range (RH) 0–100% RH
Measurement range (T) -30 to +85°C (-22 to +185°F)
Accuracy at 23°C (73°F)
Humidity
<±2% RH (5–95% RH)
Accuracy at 23°C (73°F)
Temperature
±0.2°C (±0.36°F)
Stability – RH Sensor <±1% RH/year
Response time – RH Sensor <10 sec typical (for 90% of the step change)
Electrical output/input
Output signal (RH) 0-1 V
Output signal (T) 3-wire 1/3 DIN Pt100 direct
Supply voltage 5 V DC ±5%
Load resistance R > 5K 
Digital: CMOS compatible
Current consumption 1.5 mA max
Operating conditions
Operating temperature
Sensing element
Housing
Storage
-30 to +85°C (-22 to +185°F)
-40 to +85°C (-40 to +185°F)
-40 to +85°C (-40 to +185°F)
Mechanical specifi cation
Housing material AISI 316
Dimensions L=53mm , ø22mm (L=2.08”, ø0.86”)
Filter AISI 316
Stainless steel mesh
Weight 65g (2.3oz)
Electrical connections Threaded nipple + nut
Dimensions
INTERCHANGEABLE
MODULE
HYGROSMART ®
Issue No: PCMini70_97177_V2_UK_1110
Accessories and Spare Parts
Hygrosmart without Pt100 output I7-0-00-0
Hygrosmart with Pt100 output I7-0-00-1
SS cap slotted with mesh fi lter K1
SS cap slotted with PTFE fi lter Z1