You can measure temperatures 9 channels simultaneously at maximum to bridge model 884T multiplexers to Models 837, 8377, and 857.
The system divides sensor outputs at intervals and repeats scanning in 2 to 60 seconds at a channel.

<Multiplexer Model 884T>
Input :Thermocouple C/A or mV voltage.
Power Supply :Model 1256 battery or induced power supply
(DC 5.4V)
Operating Power :1.0 mA.
Temperature :0`125
Rotating Acceleration :18000 G.
Scanning :2`60 sec./ch. Free running.
Dwelling Time :Set according to selected conjunctions to resistance fit-out.
Channels :9ch.
Weight :42.5g.
Dimensions :60.96~28.44mm. dia.