NG # 02636-HW-KELLER-012
The Keller ECO2 is a compact, cost-effective digital pressure gauge designed for routine monitoring, field service checkouts, and general industrial pressure readings. Built as a digital alternative to standard mechanical analog dial gauges, it offers higher reliability, clear digital display, and peak tracking capabilities in a lightweight package.
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Get A QuoteThe Keller ECO2 digital pressure gauge is a compact and economical digital gauge that provides medium accuracy at high resolution and repeatability. The piezoresistive pressure transducer as the heart of the instrument has gone through extensive pressure- and temperature tests.
The ECO2 is available in two pressure ranges: -1 to 30 bar or 0 to 300 bar, each with a standard accuracy of ±0.5% FS. Pressure can be displayed as bar, mbar/hPa, kPa, MPa, PSI, kp/cm2. The pressure is measured twice per second and displayed. The top of the two-line display indicates the actual pressure while the bottom display shows the maximum or minimum pressure since the last reset.
The ECO2 has two operating keys. The left key turns on the instrument and is used to select the functions and the pressure units. The right key executes the selected function or unit. The right key is also used to switch between the Max/Min value.
The Keller ECO2 has 7/16" UNF male thread and is delivered complete with an O-ring seal swivel fitting which allows ECO 2 to be rotated 360°. Only minimal torque is needed to seal up to 300 bar. A G 1/4" male adapter is included.
| Parameter | Specification Details |
| Pressure Ranges | $-1\dots 31\text{ bar}$ and $-1\dots 300\text{ bar}$ |
| Accuracy | $\pm 0.5\,\%\text{FS}$ typical (includes linearity, hysteresis, and thermal effects from $0\text{ °C}$ to $50\text{ °C}$) |
| Total Error Band | $\pm 1\,\%\text{FS}$ max ($0\text{ °C}$ to $50\text{ °C}$) |
| Display | 7-segment LCD display with secondary line for Min/Max values |
| Selectable Units | bar, PSI |
| Measuring Interval | 2 measurements per second (2 Hz) |
| Operating Temperature | $0\text{ °C}$ to $+50\text{ °C}$ |
| Power Supply | 3V CR2430 coin cell battery (up to 1,000 continuous operating hours) |
| Pressure Connection | 7/16"-20 UNF male with G 1/4" adapter swivel fitting |
| Housing & Protection | ABS plastic case with IP65 weather rating |
| Intrinsically Safe Option | ECO2-Ei: ATEX certified for hazardous environments (Ex II 2 G Ex ia IIC T6) |
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