Product guide

Humidity and Dew-Point Instruments
© Michell Instruments 2009-2011
46
Environmental Control
DT269
Electrical Connections
Version mA output and Pt100
direct
Version mA output for RH and
Temperature
Version V output and Pt100
direct
Version V output for RH and
Temperature
Pin 1 Output RH + Pin 1 Output temperature + Pin 1 Power supply V + Pin 1 Power supply V +
Pin 2 Output RH - Pin 2 Output Temperature - Pin 2 Common ground Pin 2 Common ground
Pin 3
Pt100 direct
Pin 3 Output RH + Pin 3 Output RH + Pin 3 Output Temperature +
Pin 4 Pin 4 Output RH - Pin 4
Pt100 direct
Pin 4 Output RH +
Pin 5
Warning:
Temperature channels Pin 1
and Pin 2 must be powered
always
Pin 5
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}
Order example:
DT269+A+4+E0+H4
Digital RH and temperature transmitter DT269, 4-20 mA output, -30 to +20ºC (-22 to +68ºF) temp range, 160mm (6.30”) probe length, stainless steel sintered fi lter
DT269 A 4 E0 H4
Filter {Feature E}
SS sintered fi lter H4
ABS cap slotted with PTFE fi lter, white 22
Signal Output {Feature B}
4–20 mA A
0–10 V B
0–5 V C
0–1 V D
Temperature Signal {Feature C}
No temperature output 0
Pt100 direct 1
-30 to +70ºC (-22 to +158ºF) 3
-30 to +20ºC (-22 to +68ºF) 4
0 to +50ºC (+32 to +122ºF) 5
-20 to +80ºC (-4 to +176ºF) 6
Other output scaling available on request TX
Length {Feature D}
160mm (6.29”) probe length E0
290mm (11.41”) probe length E1
Base Model {Feature A}
Digital RH and temperature transmitter DT269