
TM
Omni-Amp
IIA
D.C. Millivolt Amplifier
Battery-Operated Laboratory Model
$
195
U Heavy-duty case 
U Batteries will last over 500
hours in continuous service. 
U 1.5 V Type C (4 per unit, 
Model Number - MN1400-4) 
(Spare set of batteries $4)
U Specifications and
performance characteristics 
the same as Model OMNI-AMP I
COLD JUNCTION 
COMPENSATION
Shown smaller 
than actual size
To Order, Specify:
OMNI-AMP IIA
TM
Omni-Amp
IIB
ThermocoupleD.C. Milliv olt Amplifier
Battery-Operated Laboratory with Built-in ice point 
Reference Junction f or Cold Junction Compensation
$
TM
285
U Heavy Duty Case 
U Batteries will last over 500
hours in continuous service. 
U 1.5 V Type C (4 per unit, 
Model Number - MN1400-4) 
(Spare set of batteries $4)
U RM12R-B 3.6 V “AA” 
Lithium or equivalent 
(Spare battery $8.25 ea.)
U Other specifications and
performance characteristics 
the same as Model OMNI-AMP I
U Select any calibration 
K, J, T, E, S, R, C or D
U Accepts OST type male
connectors
To Order, Specify:
Shown smaller 
than actual size
N-69
OMNI-AMP IIB-(*) 
and Select Thermocouple 
Type J, K, T, E, RS, C or D.

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