Michell Instruments PCMini70 Specifications
Humidity and Dew-Point Instruments
Environmental Control
PCMini70
Relative Humidity and Temperature Mini Probe
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
Accuracy at 23°C (73°F)
Temperature
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
HYGROSMART ®
INTERCHANGEABLE
MODULE
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•
Dimensions
Supply voltage 5 V DC ±5%
Load resistance R > 5K Ω
Current consumption 1.5 mA max
Operating conditions
Operating temperature
Sensing element
Housing
Storage
Mechanical specifi cation
Housing material AISI 316
Dimensions L=53mm , ø22mm (L=2.08”, ø0.86”)
Filter AISI 316
Weight 65g (2.3oz)
Electrical connections Threaded nipple + nut
<±2% RH (5–95% RH)
±0.2°C (±0.36°F)
Digital: CMOS compatible
-30 to +85°C (-22 to +185°F)
-40 to +85°C (-40 to +185°F)
-40 to +85°C (-40 to +185°F)
Stainless steel mesh
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
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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
Humidity and Dew-Point Instruments
PCMini70
Electrical Connections
Cable
Green
Pt100
White
White
Black 0 V - Common ground
Red +5 V - Supply Voltage V+
Violet Out V - Output RH (Volt)
Yellow Out F - Output RH (freq)
Ordering Codes
To construct the order code, select the relevant feature from the tables below, starting with the base model, which is {Feature A} and then add on options to create a
string: {Feature A}+{Feature B}+{Feature C}
Environmental Control
Order example:
Relative humidity and temperature mini probe PCMini70, Pt100 direct output and stainless steel cap slotted with mesh fi lter
Base Model {Feature A}
Relative humidity and temperature mini
probe
Temperature {Feature B}
No temperature output 0
Pt100 direct 1
PCMINI70+1+K1
PCMINI70
PCMINI70 1 K1
Filter {Feature C}
SS slotted cap with mesh fi lter K1
SS slotted cap with PTFE fi lter Z1
© Michell Instruments 2009-2011
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