Product guide

Humidity and Dew-Point Instruments
© Michell Instruments 2009-2011
48
Precision Manufacturing
DT722
Electrical Connections
Connections
Cable Pin
White Pin 1 Output RH +
Brown Pin 3 Output RH -
Green Pin 4 Output T +
Yellow Pin 2 Output T -
Connect RH + with T + by user
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}+{Feature G}
Order example:
DT722+SX+A+HT0+03+CA+F02
RH & temperature transmitter DT722, no display, Output 1 - calc absolute humidity, Output 2 - temp output 0 to +100ºC (+32 to +212ºF), 300mm (11.81”) probe
length, no cable, 19mm slotted protection cap black
DT722 SX A HT0 03 CA F02
Display {Feature B}
Display SD
No display SX
Filter {Feature G}
19mm (0.75”) slotted protection cap black F02
19mm (0.75”) PVDF lter with protection cap black F15
19mm (0.75”) Mesh lter with protection cap, black F21
19mm (0.75”) Arrow SS sintered lter 5m F25
19mm (0.75”) Arrow SS sintered lter 10m F26
19mm (0.75”) Arrow SS sintered lter 20m F27
19mm (0.75”) Foil lter 2m with protection cap black F40
19mm (0.75”) Oleophobic foil lter 0.7m with
protection cap black
F42
19mm (0.75”) Foil lter 1.5m w/protection cap black F44
Cable Length {Feature F}
No cable CA
19mm (0.75") connector, no cable, w/screw terminal CB
19mm (0.75") connector with 2m (6.5') cable CC
19mm (0.75") connector with 5m (16') cable CD
Temperature Signal {Feature D}
0 to +100ºC (+32 to +212ºF) HT0
-40 to +150ºC (-40 to +302ºF) HTS
Other output scaling available on request TX
Base Model {Feature A}
RH & temperature transmitter DT722
Length {Feature E}
200mm (7.87") probe length 02
300mm (11.81") probe length 03
500mm (19.69") probe length 05
900mm (35.43") probe length 09
1500mm (50.06") probe length 15
Moisture Signal {Feature C)
RH H
Calculated dp temp (Range (Td) -40 to
+60ºC (-40 to +140ºF) - Only possible
with Temp Signal T1)
D
Calc absolute humidity (Abs) (Range Abs
from 0-200g/m3 - Only possible with
Temp Signal T1)
A
Calculated wetbulb temp (Range (Tw) -40
to +60ºC (-40 to +140ºF) - Only possible
with Temp Signal T1)
W