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677B-02
Differential pressure transmitter, range 0-.25" w.c.
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Product Specs
<< See all Product Models| Brand |
 |
| Accuracy | ± 0.4 % |
| Accuracy Detail | ± 0.4% FS* at room temperature |
| Applications | Energy Management Systems, HVAC |
| Compensated Temperature, Max | 85 °C |
| Compensated Temperature, Min | -18 °C |
| Display Type | N/A |
| Electrical Output | 4 to 20 mA |
| Enclosure Ratings | IP65, NEMA Type 4 |
| GrossWeightValue | 1.1 |
| Long Term Stability | ± 1% FS/year |
| Loop Resistance | 0 to 800 Ω |
| Materials, Wetted | 302 Stainless Steel, Brass, Glass, Nickel, Silicone |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 0.25 inH₂O |
| Measurement Pressure, Min | 0 inH₂O |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Conductive Gases, Non-Corrosive Dry Gases |
| Number of Wires | 2 |
| Operating Temperature, Max | 85 °C |
| Operating Temperature, Min | -18 °C |
| Output Signal | Current |
| Process Connection Note | OD barbed brass pressure fitting |
| Process Connection Size | 3/16 in |
| Process Connection Type | Barbed Fitting |
| Proof Pressure | Up to 15 psi |
| Response Time | 10 ms |
| Series ID | Series-677B |
| Span Adjustment | Potentiometers |
| Storage Temperature, Max | 105 °C |
| Storage Temperature, Min | -54 °C |
| Supply Power Type | DC |
| Supply Voltage | 16 to 32 Vdc |
| Thermal Effects | <0.028% FS/°F |
| Thermal Effects Note | (Includes zero and span) <0.028% FS/°F, 0 to 185°F (-18 to 85°C). |
| Weight | 330 g |
| Zero Setting Adjustable Range | Internally accessible potentiometers, noninteractive |
| Country of Origin | China |
| See All Specs | |
PDFs & Manuals
Drawings
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Show Ratings & Reviews
Rated 4 out of
5
by
Kupo from
Remote Signal Applications
It works as it should and was simple to set-up. I only give 4 stars because the terminations inside do not tell which one is for power and which one is for comm. There was only 2, so 50/50 chance of getting it right, no big deal.
Date published: 2025-08-18