SPECIFICATIONS 

OM004

OM006 

OM008

 Nominal Size:

1/8" (4 mm)​

1/4" (6 mm) 

3/8" (8 mm) 

 Flow* Range:

0.26-9.5 GPH (1.0-36 L/hr)

0.5-27 GPH (2-100 L/hr)

4-145 GPH (15-550 L/hr)

 Accuracy+ @ 3cp:

± 1.0% of reading (accuracy is ± 0.2% of reading with optional RT14 with non-linearity correction)

 Repeatability:

Typically ± 0.03% of reading

 Temperature Range:

-40° F to +300° F (-40° C to +150° C)

 Pressure Rating (Threaded Meter):

 Aluminum

220 psi (15 bar)

 316 Stainless Steel

495 psi (34 bar)

 Intermediate Pressure Stainless Steel

1450 psi (100 bar)

 Recommended Filtration:

200 mesh (75 µm)

 Electrical:

 Output Pulse Resolution:

Pulses / gallon (Pulses / L) - Nominal

 Reed Switch

10600 (2800)

3975 (1050)

1345 (355)

 Hall Effect

10600 (2800)

3975 (1050)

2690 (710)

 QP - Quadrature Hall option

10600 (2800)

3975 (1050)

2690 (710)

 HR - High Resolution Hall Effect

42400 (11200)

15900 (4200)

n/a

 Reed Switch Output

30V (dc) x 200mA max. [maximum thermal shock 18o F (10o C) / minute

 Hall Effect Output (NPN)

3 wire open collector, 5-24V (dc) max., 20mA max.

 Optional Outputs

4-20mA, scaled pulse, quadrature pulse, flow alarms or two stage batch control

 SPECIFICATIONS

OM015

OM025

OM040 

 Nominal Size:

1/2" (15 mm)

1" (25 mm)

1 1/2" (40 mm) 

 *Flow Range: 

0.26-10.6 GPM (1-40 L/min)

2.6-40 GPM (10-150 L/min)

4-66 GPM (15-250 L/ min)

 Accuracy @3cp: 

± 0.5% of reading (accuracy is ± 0.2% of reading with optional RT14 with non-linearity correction)

 Repeatability: 

Typically ± 0.03% of reading

 Temperature Range:

-40° F to +300° F (-40° C to +150° C) refer to factory for lower temperature

 Pressure Rating (Threaded Meter):

 Aluminum

990 psi (68 bar)

990 psi (68 bar)

435 psi (30 bar)

 Intermediate Pressure Aluminum

n/a

2000 psi (138 bar)

n/a

 316 Stainless Steel

990 psi (68 bar

990 psi (68 bar)

435 psi (30 bar)

 Intermediate Pressure SS

1450 psi (100 bar)

1450 psi (100 bar)

725 psi (50 bar)

 Recommended Filtration

100 mesh (150 μm)

 Electrical:

 Output Pulse Resolution:

Pulses / gallon (Pulses / L) - Nominal 

 Reed Switch

318 (84)

120 (27)

53 (14)

 Hall Effect

636 (168)

405 (107)

212 (56)

 QP - Quadrature Hall Option

636 (168)

204 (54)

106 (28)

 Reed Switch Output

30V (dc) x 200mA max. [maximum thermal shock 18o F (10o C) / minute

 Hall Effect Output (NPN)

3 wire open collector, 5-24V (dc) max., 20mA max.

 Optional Outputs

4-20mA, scaled pulse, quadrature pulse, flow alarms or two stage batch control

 SPECIFICATIONS

OM080

OM080E

OM100

OM100E

 Nominal Size:

3” (80 mm)

3” (80 mm)

4”(100 mm)

4”(100 mm)

 Nominal Flow* Range @ 3cP:

10-200 GPM

13-260 GPM

20-400 GPM

40-600 GPM

 Accuracy:

±0.5% of reading (±0.2% of reading with optional RT14)

 Repeatability:

Typically ± 0.03% of reading 

 Temperature Range:

-40˚F - +300˚F (-40˚C - +150˚C) 

 Max. Pressure (Aluminum):

175 psi (12 bar) 

 Max. Pressure (Stainless Steel):

175 psi (12 bar)

n/a 

n/a 

n/a 

 Protection Class:

IP66/67 (NEMA 4X) Optional EXd I/IIB T3...T6, integral ancillaries can be supplied I.S. (Intrinsically Safe) 

 Recommended Filtration:

40 Mesh (400 μm)

 Electrical

 Output Pulse Resolution:

Pulses / gallon (Pulses / L) - Nominal

 Reed Switch:

10.0 (2.65)

5.68 (1.55)

4.15 (1.10)

2.1 (0.56)

 Hall Effect:

40.5 (10.7)

22.7 (6.00)

16.6 (4.40)

8.5 (2.24)

 QP Quadrature Hall Effect:

20.0 (5.33)​

11.4 (3.00)

8.3 (2.20)

4.24 (1.12)

 Read Switch Output:

30V (dc) x 200 mA max. (maximum thermal shock 18º F [10º C] / minute)

 Hall Effect Output:

3 wire open collector. 5-24V (dc) max., 20 mA max.

 Optional Outputs:

4-20 mA, scaled pulse, quadrature pulse, flow alarms or two stage batch control