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Help CenterBESTACE DM‑1000L‑13 Digital Differential Pressure Gauge Industrial Pressure Measuring Unit
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Product Introduction
The BESTACE DM-1000L series of compact digital differential pressure gauges can measure positive pressure, negative pressure, and differential pressure, with a measurement range as low as 60 Pa and as high as 10 kPa. It utilizes high-precision MEMS sensor technology and converts the pressure difference into a proportional signal output. It can output 0 to 10 VDC, 4 to 20 mA, or an RS485 digital signal. With a compact design and a mounting hole diameter of just 66 mm, it is particularly well-suited for small-scale equipment applications and supports embedded, surface-mounted, or panel-mounted installation. This product is widely used in air or inert gas detection and control. It is suitable for differential pressure monitoring in equipment such as fans and blowers, filter resistance, furnace ventilation, orifice plates, biological safety cabinets, and clean benches.
| Item | Specification |
|---|---|
| Country of Origin | USA |
| Measured Media | Non‑flammable / non‑corrosive gas, insensitive to moisture, dust and oil contamination |
| Measuring Range | 0‑250 Pa |
| Accuracy | ±1.0 %FS |
| Working Temperature | -10 ~ 50 ℃ |
| Medium Temperature | 0 ~ 60 ℃ |
| Ambient Temperature | -10 ~ 50 ℃ |
| Storage Temperature | 10 ~ 50 ℃ |
| Temperature Compensation | 0 ~ 50 ℃ |
| Pressure Rating | Overload:10×FS; Burst pressure:15×FS |
| Display | 1.83×0.96", 5‑digit LCD, 2‑line display |
| Analog Output | 0‑10 V & 4‑20 mA (3‑wire) |
| Communication | RS485 / Modbus (9600‑n‑8‑1) |
| Output Impedance | ≤500 Ω (current); ≥2 KΩ (voltage) |
| Max Current Consumption | 21 mA |
| Relay Output | 2 × SPST, 3 A/30 VDC, 3 A/250 VAC, or 1 × buzzer |
| Power Source | 4 × AA LR6 alkaline battery; 16‑28 VDC/AC external power |
| Display Refresh Time | 0.5 / 1 / 5 / 10 s (default 1 s) |
| Auto Sleep Timer | Always‑on / 1 /5 /10 min (default 1 min) |
| Battery Life | ≥2 years @ refresh 1s & always‑on; longer for slower refresh or sleep mode |
| Long‑term Stability | ±0.5 %FS / year |
| Zero Thermal Drift | ＜0.05 %FS/℃ |
| Full‑Scale Thermal Drift | ＜0.08 %FS/℃ |
| Process Connection | Tapered nozzle, 5 mm ID hose fitting, one pair on side & rear |
| Operation Buttons | 3 tactile push buttons |
| Protection Class | IP54 |
| Weight (with battery) | 275 g |
| Housing Material | ABS |
| Electrical Connection | External cable connection |
| Wetted Material | Silicone, FKM |
| Mounting Orientation | Any direction |
Performance Features
Utilizes high-precision MEMS sensors and digital technology
Compact size, saving installation space
Multifunctional, with optional switch or transmitter functionality
Measuring range as low as 60 Pa
Intuitive LCD digital display
Multi-function key support
Selection Guide
DM-1000L Compact Digital Differential Pressure Gauge (Battery-powered)
DM-1000P Compact Digital Differential Pressure Gauge (Mains-powered)
DM-1000L and DM-1000P Series, with selectable ranges of 13, 15, 17, and 18
DM-1000T Series, available in ranges of 11, 12, 13, 14, 15, and 16
Product Structure and Details
Optional Features and Accessories
A set of screws and mounting brackets is provided for basic surface or panel mounting. Flush mounting requires additional accessories or adhesive.
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