Sigma 1251Vb Panel Meter 92-8162-000, 82-8138-000, 62-8872-000, 52-8887-000
Sigma International Instruments
Division Of Sigma Instruments, Inc.
Modified Instrument
Modified By: Industrial Instrument Works, Inc.
Hi 1251 Rev. A
Series 1251
Model: 1251Vb
Range: 4-20Ma/0-10V D.C.
0-50% Position/Setpoint
0-100% Air Damper/Low Fire
Patent No: 3,497,806
91251102
Fs/Dcma
7916
4795M1544-1C
Description: Front Cover Assembly (Dual Meter) 
Part Number:  92-8162-000
Bezel: 82-8143-000
Description: Front End Cap (With Zero Adjust Button Hole)
Part Number: 82-8138-000
Description: Mounting Clip
Part Number: 62-8872-000
Description: 52-8154-000
Description: Mounting Clip Screw
Part Number: 52-8887-000
Description: 52-8163-000
Terminal Hardware (Dual Meter) 
Part Number: 1900-153
Weight: 700 Gm