Model 770 Pressure Transmitter

0-5 Vdc output, Hazardous Location Approvals, 0-100 thru 100K psi

Features

 Many Options available
 All Stainless Steel construction
 IP-68 Rated

 

               

Description

770 uses a solid machined diaphragm sensor, which provides excellent durability and repeatability. 770 has both IS and Explosion Proof approvals, and can measure pressures up to 100K psi. A wide variety of wetted surface materials, process connections and electrical connections are available, and special wiring configurations are easily accommodated.

Data sheet:  570-770-870

Full Scale Pressure Range
0-100 thru 0-100K PSIS (0-6.89 thru 0-6894 bar)
Accuracy (RSS)
(BFSL Linearity, Hysteresis, Repeatability)
0-300 PSI thru 0-15K PSI Ranges±0.20% FSO ( ±0.15% FSO improved with “DN” option)
< 0-300 PSI or > 0-15K PSI Ranges±0.25% FSO ( ±0.15% FSO improved with “DN” option)
Linearity (Best Fit Straight Line)
0-300 PSI thru 0-15K PSI Ranges±0.10% FSO (BFSL), Typical
< 0-300 PSI or > 0-15K PSI Ranges±0.15% FSO (BFSL), Typical
Hysteresis
< ± 0.05% FSO, Typical
Repeatability
< ± 0.05% FSO, Typical
Full Scale Output (FSO)
5 Vdc
Zero and Span Balance
±1% FSO
Long Term Stability
≤±0.25% FSO per 6 months
Response Time
<2 mSec to reach 90% FSO
Temperature Effect on Zero
≤±1% FSO per 100°F (37°C)
Temperature Effect on Span
≤±1% FSO per 100°F (37°C)
Compensated Temperature
70°F to 170°F (21°C to 76°C)
Operating Temperature
-40°F to 190°F (-40°C to 87°C)
Storage Temperature Limit
-65°F to 250°F (-53°C to 121°C)
Supply Voltage
9 to 30 Vdc
Power Supply Regulation Effect
≤±0.02% FSO per Volt
Output Signal
0 – 5 Vdc
Load Impedance
100K Ohms minimum
Bridge Impedance
5000 Ohms nominal
Circuit Protection
Varistor protected across the input leads for surges above 40 V and currents to 250 Amps peak with a pulse width of 20 μSecs. Reverse polarity protected.
Insulation Resistance
>200 MegOhms to case ground
Electrical Connection
1/2″ NPT (M), 18 AWG wire, 72″
Wire Color Codes
Red               +Power
Black             +Signal
Green             Case ground
White             -Power/Signal