Michell Instruments PC33, PC52 Specifications
Humidity and Dew-Point Instruments
Probes
PC33 & 52
Analog Relative Humidity and Temperature Probe
Technical Specifi cations
Performance
Measurement range (RH) 0–100% RH
Measurement range (T) -20 to +80°C (-4 to +176°F)
Accuracy @ 23°C (73°F)
humidity
Accuracy @ 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 Specifi cations
Output signal options 4–20 mA, 0 to 1, 0 to 5, 0 to 10 V
Supply voltage 14 to 30 V DC (for 0 to 5 / 0 to 10 V output)
Operating Specifi cations
Operating temperature
Probe, Housing
Storage
The PC33 & 52 series offers a comprehensive range of
relative humidity probes for accurate, stable and repeatable
measurements. Available with analog output signals, the PC
series can be installed in a wide variety of applications.
Highlights
• Low cost PC33 with analog output is designed for HVAC
applications
• PC52 with analog output is designed for accurate
measurement in controlled environments
• Analog zero and span adjustment
Dimensions
Mechanical Specifi cations
Ingress protection IP65 (NEMA 4 level)
Housing material Molded polymer or stainless steel
Dimensions L=130mm, ø19mm (L=5.11”, ø0.74”)
Weight 30g (1.06oz) without cable
Electrical connections M12
Accessories and Spare Parts
19mm (0.75”) slotted protection cap black A000002
19mm (0.75”) PVDF fi lter A000014
19mm (0.75”) PVDF fi lter with protection cap black A000015
19mm (0.75”) Mesh fi lter with protection cap, black A000021
19mm (0.75”) Arrow SS sintered fi lter 5m / 10m / 20m A000025/26/27
19mm (0.75”) Connector, no cable, with screw terminals A000030
19mm (0.75”) Connector with cable
(customer spec length: X = meters of cable)
19mm (0.75”) Connector with 2m (6.5’) cable* A000031
19mm (0.75”) Connector with 5m (16’) cable* A000032
19mm (0.75”) Foil fi lter 2m with protection cap black A000040
19mm (0.75”) Oleophobic foil fi lter 0.7m with protection
cap black
19mm (0.75”) Foil fi lter 1.5m w/protection cap black A000044
3/4” NPT SS adj. fi tting for SS probes A000100
Al mounting fl ange for ø19.0mm (ø0.75”) SS probe A000110
ø90.0mm (ø3.54”) Wall mount weather protection cap A000120
ø120.0mm (ø4.72”) Wall mount weather protection cap A000125
Mini fl ange for ø19.0mm (ø0.75”)
Non-saturated salt solution kit (refer to technical datasheet) HKC
*
Non standard cable length available upon request
PC52: <±2% RH (10–90% RH)
PC33: <±3% RH (30–80% RH)
PC52: ±0.2°C (±0.36°F)
PC33: ±0.3°C (±0.54°F)
5 to 30 V DC (0 to 1 V & mA output)
-30 to +85°C (-22 to +185°F)
-40 to +85°C (-40 to +185°F)
(ordering option)
(molded polymer version)
A000030-XM
A000042
molded polymer probe A000150
Issue No: PC33&52_97178_V3_UK_1013
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www.michell.com
Humidity and Dew-Point Instruments
Electrical Connections
Voltage Output 4-20 mA Output 2-wire
Mating Cable Pin Mating Cable Pin
White Power Supply V + 1 White Output RH + 1
Yellow Output temperature + 2 Yellow Output temperature - 2
Brown Common ground 3 Brown Output RH - 3
Green Output RH + 4 Green Output temperature + 4
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} + {Feature D} + {Feature E} + {Feature F}
Probes
Order example: PC33 + 4 + XX + T3 + CA + F02
Relative humidity and temperature probe with 1 pt calibration PC33, 0 to 5 V
output, molded polymer body, temperature range 0 to +50°C (+32 to +122°F), no
cable, 19mm (0.75”) slotted protection cap
PC33 4 XX T3 CA F02
Base Model {Feature A}
Relative humidity and temperature probe PC33
Signal Output {Feature B}
4–20 mA 2
0 to 10 V 3
0 to 5 V 4
0 to 1 V 5
Body {Feature C}
Stainless steel SX
Molded polymer XX
Temperature {Feature D}
No T output RH only X
-20 to +80°C (-4 to +176°F) T1
0 to +50°C (+32 to +122°F) T3
Other output scaling available on request TX
Order example:
Relative humidity and temperature probe with 2 pt calibration PC52, 0 to 5 V
output, molded polymer body, temperature range 0 to +50°C (+32 to +122°F), no
cable, 19mm (0.75”) slotted protection cap
Base Model {Feature A}
Relative humidity and temperature probe PC52
Signal Output {Feature B}
4–20 mA 2
0 to 10 V 3
0 to 5 V 4
0 to 1 V 5
Body {Feature C}
Stainless steel SX
Molded polymer XX
Temperature {Feature D}
No T output RH only X
-20 to +80°C (-4 to +176°F) T1
0 to +50°C (+32 to +122°F) T3
Other output scaling available on request TX
PC52 + 4 + XX + T3 + CA + F02
PC52 4 XX T3 CA F02
Cable {Feature E}
No cable CA
19mm (0.75”) Connector, no cable, with screw terminals CB
19mm (0.75”) Connector with 2m (6.5’) cable CC
19mm (0.75”) Connector with 5m (16’) cable CD
Filter {Feature F)
19mm (0.75”) slotted protection cap black F02
19mm (0.75”) PVDF fi lter with protection cap black F15
19mm (0.75”) Mesh fi lter with protection cap, black F21
19mm (0.75”) Arrow SS sintered fi lter 5m F25
19mm (0.75”) Arrow SS sintered fi lter 10m F26
19mm (0.75”) Arrow SS sintered fi lter 20m F27
19mm (0.75”) Foil fi lter 2m with protection cap black F40
19mm (0.75”) Oleophobic foil fi lter 0.7m with
protection cap black
19mm (0.75”) Foil fi lter 1.5m w/protection cap black F44
© Michell Instruments 2013
F42
Cable {Feature E}
No cable CA
19mm (0.75”) Connector, no cable, with screw terminals CB
19mm (0.75”) Connector with 2m (6.5’) cable CC
19mm (0.75”) Connector with 5m (16’) cable CD
Filter {Feature F)
19mm (0.75”) slotted protection cap black F02
19mm (0.75”) PVDF fi lter with protection cap black F15
19mm (0.75”) Mesh fi lter with protection cap, black F21
19mm (0.75”) Arrow SS sintered fi lter 5m F25
19mm (0.75”) Arrow SS sintered fi lter 10m F26
19mm (0.75”) Arrow SS sintered fi lter 20m F27
19mm (0.75”) Foil fi lter 2m with protection cap black F40
19mm (0.75”) Oleophobic foil fi lter 0.7m with
protection cap black
19mm (0.75”) Foil fi lter 1.5m w/protection cap black F44
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F42
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