
Model 122 Pressure Transmitter
Viatran Model 122 pressure transmitter is designed for applications where space is limited. With a maximum diameter of 7/8", the 122 pressure transducer is designed to fit in the smallest of places with easy installation. 1/8" NPT(M) and (F)options are shown.
PERFORMANCE
| Full Scale Pressure Ranges | 0-3 thru 0-5000 PSIG, PSIS, 0-15 thru 0-5000 PSIA, 0-15 PSIV | |
| Combined Accuracy (Non-Lineairty, Hysteresis, Zero Repeat) | ≤±.12% FSO | |
| Long-Term Stability | ≤±0.1% FSO per 6 months | |
| Response Time | ≤5 mSec for 10% to 90% FSO | |
| Temperature Effect on Zero | ≤±1.0% FSO per 100°F (55°C) | |
| Temperature Effect on Span | ≤±1.0% FSO per 100°F (55°C) | |
| Compensated Temperature | 32°F to 180°F (0°C to 82°C) | |
| Operating Temperature | 40°F to 250°F (-40°C to 121°C) | |
| Storage Temperature Limit | -40°F to 250°F (-40°C to 121°C | 
ELECTRICAL
| Supply Voltage: | 10 Vdc nominal, 15 Vdc max | |
| Power Supply Regulation Effect | ≤±0.05% FSO per volt | |
| Output Signal | 5 mV/V for 3 to 5 PSI; 10 mV/V all other ranges | |
| Circuit Protection | Output may be short circuited indefinitely. Input polarity may be reversed. Over-voltage protected to 1000 volts <1 mSec duration | |
| Insulation Resistance | <5nS conductance | |
| Electrical Connection - BH (Standard) | 6-pin hermetic, bayonet-syle, 303 SST weld-mounted connector | |
| Wire Color Codes | Pin A +Power Pin B -Power Pin C +Signal Pin D -Signal Pin E Case Ground Pin F No connection | 
MATERIALS OF CONSTRUCTION
| Housing Materials | 316 stainless steel | |
| Pressure Connection | 316 stainless steel | |
| Sensor | 316 stainless steel | |
| Mounting | May be supported by process piping | |
| Identification | Laser etched onto body | 
MECHANICAL
| Proof Pressure: | 3 times range (10,000 PSI max) | |
| Burst Pressure: | 5 times range (10,000 PSI max) | |
| Diameter | 0.875 inches | |
| Weight | 5 oz | 
OPTIONS
| BP | Micro change M12 connector | |
| DH | Special pressure range | |
| DM | Modified output | |
| DN | Improved accuracy (increase in length) | |
| EA | Special calibration run | |
| NH | Customer specified identification | |
| PRESSURE PORTS | ||
| YH | 1/8” NPT (M) | |
| YI | 1/8” NPT (F) | |
| ZU | Direct coupled cable | 







