MS8209 MS8209 5 in 1 Meter: Sound Level, Brightness (Lux), Thermometer, Humidity Meter, $79.95 | TDD116M-S TDD116M-S 8 Inputs/ 8 OC outputs Mounts on side of T1-16S $139.00 | SSP8030 SSP8030 3-Phase Digital Phase Indicator $48.00 |
TRPDIX1600 TRPDIX1600 16 Inputs, 24 Vdc (sink/source). $79.00 | TBT231EAS TBT231EAS Optional Battery Card. Mounts in T2E CPU. $69.00 | TBU104--S TBU104--S 4 Slot Expansion Card Holder for T1-16S, Holds 4 T1-40 I/O Expansion C $44.00 |