Model 870 Pressure Transmitter
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.
PERFORMANCE
| Full Scale Pressure Ranges | 0-100 thru 0-100K PSIS (0-6.89 thru 0-6894 bar) | |
| Linearity (Best Fit Straight Line) | 0-100 PSI (0-6.89 bar) ±0.5% 150-10K PSI (10.3-6.89 bar) ±0.2% 15K-100K PSI (1034-6894 bar) ±0.25 |
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| Hysteresis | ≤0.15% FSO | |
| Repeatability | ≤0.15% FSO | |
| Full Scale Output (FSO) | 2 mV/V | |
| Zero and Span Balance | 2 mV/V | |
| LongTerm 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
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Supply Voltage:
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10 Vdc nominal, 15 Vdc maximu
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Power Supply Regulation Effect
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Ratiometric
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Output Signal
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2 mV/Volt (Nominal)
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| 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" |
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| Wire Color Codes |
Red +Power Black +Signal Green -Power White -Signal |
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| Calibration Signal Accuracy | ±1.0% FSO. The exact signal to pressure correlation is provided with each unit | |
| Circuit Protection | Varistor protected across the input leads for surges above 40V and currents to 250 Amps Peak with a pulse width of 20 µSec. Reverse polarity protected | |
| Bridge Resistance | 5000 Ohms nominal | |
| Insulation Resistance | ≥200 MegOhms to case ground (≤5 nS) | |
| RFI/EMI | Negligible to 500 MHz at 5 Watts direct contact |
MATERIALS OF CONSTRUCTION
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Enclosure
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0-100 thru 0-15K PSI
15-5 PH and 316 stainless steel (0-6.8 thru 0-1034 bar) 0-20K thru 0-100K PSI 316 SST and PH 13-8 Mo SST (0-1378 thru 0-6894 bar) |
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Wetted Parts
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0-100 thru 0-15K PSI
15-5 PH stainless steel (0-6.8 thru 0-1034 bar) 0-20K thru 0-100K PSI PH 13-8 Mo SST (0-1378 thru 0-6904 bar) |
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Weight
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24 oz. (0.680 kilograms)
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| Enclosure | Classification NEMA 4X | |
| Identification | Laser etched onto body |
MECHANICAL
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Pressure Connection:
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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 |
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Proof Pressure:
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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) |
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Burst Pressure:
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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 les |
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| Mounting | May be supported by pressure connectio | |
| Identification | Laser etched onto body |