PHYSICAL DATA
GENERAL
Maximum Pressure: 30 PSIG 
(207 kPa) continuous, 50 psig (344 kPa) surge
Media Compatibility: Air 
and non-combustible, non-corrosive gases
Materials: Mineral and glass 
filled nylon housing, high impact acrylic cover, silicone rubber 
diaphragm.

ELECTRICAL
Power Supply: 13-35 VDC - 2, 3 or 
4 wire, 18-26 VAC - 4 wire
Output Signal: 4-20 mA DC (limited at 38 mA 
DC)
Loop Resistance: DC, 0-1100 ohms, AC- 0-1100 ohms; AC, 0-1130 
ohms
Warm-up Time: 10 minutes

PERFORMANCE AT 70°F 
(21.1°C)
Zero Output: 4 mA DC
Full Span Output: 20 mA 
DC
Span: 16 mA DC
Accuracy, Gage: ±5% of full span output 

Accuracy, Transmitter: ±2% of full span output (Includes linearity, 
hysteresis and repeatability)
Stability: ±1% 
F.S.O/year

ENVIRONMENTAL
Operating Temperature: 20 to 
120°F (-6.7 to 49°C)
Thermal Error: ±1% per 
50°F

MECHANICAL
Weight: 8 oz. (227 grams)
Span and 
Zero Controls: Internally accessible potentiometers
Pressure 
Connections: Barbed, for 3/16" (4-5 mm) I.D. 
tubing
Standard Accessories: Two #10 x 1" pan head sheet metal screws, 
one .050 hex allen wrench
STOCKED MODELS




Model
Number
Range,
Inches W.C.

604D-0
604D-1
604D-2
604D-3
604D-5
604D-10
604D-20
604D-40
604D-60
604D-100 

0-0.5
0-1.0
0-2.0
0-3.0
0-5.0
0-10
0-20
0-40
0-60
0-100