PHYSICAL DATA
Service: Liquid, Gas, or 
Vapor
Output: 4-20 mA DC, limited to 30 mA DC (636), 1-5 VDC 
(636LP)
Null: 4.0 mA ±2% span (636), 1 VDC ±1% span 
(636-LP)
Span: 16.0 mA ±1% span (636), 4 VDC ±1% span 
(636LP)
Power Supply: 12 to 30 VDC (636), 8 to 14 VDC (636LP), reverse 
polarity protection
Loop Resistance: 900 Ω max. @ 
30V
Temperature Limits: Electronics (Ambient): -40 to 140°F (-40 to 
60°C)
Process Interface: -40 to 212°F (-40 to 
100°C)
Overrange: 300% upper range limit
Accuracy: ±0.30% of 
calibrated span
Stability: ±0.5% of upper range limit for six 
months
Thermal Effect: (includes zero and span). Between -20° and 
180°F (-29° and 82°C). ±2.0% per 50°F (28°C)
Wetted Parts: 316 L 
SS
Fill Fluid: DC 200 Silicone (Standard)
Process 
Connection: ½" NPT(F)
Electrical Connection: ¾" 
NPT(F)
Weight: 0.83 lbs. (374 g)
Cable Length: 24" (61 cm), 
22 AWG
STOCKED MODELS in bold




Model Number
Operating
Range, PSI
Operating
Range, Bar

4-20 mA OUT
1-5 VDC OUT

636-0
636-1
636-2
636-3 
636-0-LP
636-1-LP
636-2-LP
636-3-LP 
0-15
0-30
0-100
0-300 
0-1
0-2
0-7
0-20