MODEL 870 PRESSURE TRANSMITTER

mv/V output, 0-100 thru 100K psi, Hazardous Location Approvals

870 employs a solid machined diaphragm sensor which provides a rugged and reliable solution with excellent repeatability and resistance to pressure spikes. 870 hazardous approval options include Intrinsically safe and Explosion proof for US, Canada and Atex.

Features

Many Options available

All Stainless Steel construction

IP-68 Rated

High Pressure Applications

Performance

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): 2 mV/V

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)

Electrical

Supply Voltage: 10 Vdc nominal, 15 Vdc maximum

Power Supply Regulation Effect: Ratiometric

Output Signal: 2 mV/Volt (Nominal)

Bridge Impedance: 5000 Ohms nominal

Insulation Resistance: 1000 MegOhms to case ground at 50 Vdc and 70°F (21°C)

Electrical Connection: 1/2″ NPT (M), 18 AWG wire, 72″

Wire Color Codes:

Red +Power

Black +Signal

Green -Power

White – Signal

Mechanical

Pressure Connection:

0-50 thru 0-15K PSI (1/4″ – 18 NPT Female (0-3.3 thru 0-1034 bar))
0-20K thru 0-50K PSI (1/4″ F250-C High Pressure Tube (0-1378 thru 0-3447 bar))
0-60K thru 0-100K PSI (5/16″ F312C High Pressure Tube (0-4136) thru 0-6894 bar))

Proof Pressure:

0-100 thru 0-15K PSI (1.5 times FSPR or 20K PSI (1378 bar), (0-6.8 thru 0-1034 bar) whichever is less)
0-20K thru 0-100K PSI (1.2 times FSP (0-1378 thru 0-6894 bar))

Burst Pressure:

0-100 thru 0-15K PSI (≥ 2.3 to 5 times FSPR dependent on (0-6.8 thru 0-10342 bar) sensor)
0-20K thru 0-100K PSI (1.5 times FSPR or 125K PSI (8618 bar) (0-1378 thru 0-6894 bar) whichever is less)

Mounting: Supported by process piping or optional mounting bracket