ULF Mass Flow Meter
Thermal mass flow meter for non-corrosive gas, with a top electrical connection and no LCD display. Available with 0–5 VDC or 4–20 mA output.
ULF SERIES
Without LCD DisplayTop Electric Connection Type
- ±1% Accuracy
- Linear Output
- Thermal Technology
- For Using in Non Corrosive Gas
- Power Supply Included
The NEW-FLOW Thermal Mass Flow Meters provide high performance. Thermal Technology offers advantages in accuracy, sensitivity and turn quality components and the latest technology are combined to provide reliable, compact meters and controllers. The ULF Series comes an without an LCD display, and all models come with linear 0-5 VDC and 4-20 mA output.The ULF Series measures the mass flow rate of gases in 23 ranges from 0-10 SCCM to 0-100 SLM as shown in the range table.


Technical Data and Dimensions
- Wetted material
- SS316 flow body; Tapcon and optional materials available. Viton O-ring.
- Output signal
- 0–5 VDC linear, minimum load 1000 Ω; or 4–20 mA linear, loop resistance 500 Ω.
- Input power
- 24 VDC standard; optional power supply 15 VDC, 115 VAC or 220 VAC at 500 mA.
- Accuracy
- ±1% F.S., including linearity.
- Turndown ratio
- 100:1
- Repeatability
- ±0.15% F.S. or better.
- Electrical connection
- 9-pin Sub-D.
- Process connection
- ¼ in NPT female.
- Range
- 0–10 SCCM to 0–100 SLM.
- Minimum pressure
- 40 in H₂O
- Maximum pressure
- SS316: 500 psig; Tapcon: 250 psig.
- Temperature range
- 0–50°C
- Response time
- 1 second.
- Temperature coefficient
- 0.05% of full scale per 1°C or better.
- Pressure coefficient
- 0.01% of full scale per PSIG or better.
- Weight
- Approximately 1.08 kg with power supply.
Dimensions — mm (in)

Specify the actual gas and operating conditions for calibration review.
Standard Scales
Standard Scales
| Code | Flow range |
|---|---|
| 00 | 0–10 SCCM |
| 01 | 0–20 SCCM |
| 02 | 0–50 SCCM |
| 03 | 0–100 SCCM |
| 04 | 0–200 SCCM |
| 05 | 0–500 SCCM |
| 06 | 0–1 SLM |
| 07 | 0–2 SLM |
| Code | Flow range |
|---|---|
| 08 | 0–5 SLM |
| 09 | 0–10 SLM |
| 10 | 0–15 SLM |
| 11 | 0–20 SLM |
| 12 | 0–25 SLM |
| 13 | 0–30 SLM |
| 14 | 0–35 SLM |
| 15 | 0–40 SLM |
| Code | Flow range |
|---|---|
| 16 | 0–45 SLM |
| 17 | 0–50 SLM |
| 18 | 0–55 SLM |
| 19 | 0–60 SLM |
| 20 | 0–65 SLM |
| 21 | 0–70 SLM |
| 22 | 0–75 SLM |
| 23 | 0–100 SLM |
24 — Custom flow range
Connection: ¼ in NPT female. Custom flow range: maximum 100 SLM.
Build your ULF ordering code
Choose each option in PDF order. Single available options are selected automatically.
