1-800-663-4209 | Welcome to our new website, found an issue or bug? Please report it here
478A-1
Digital differential manometer, range -60 to 60" w.c.
Added to Your Shopping Cart
Configuration complete.
Please add to cart to keep it or exit the configuration
Please add to cart to keep it or exit the configuration
Failed to Save Configurations, Click on Configure Button Start Again
Product Specs
<< See all Product Models| Brand |
 |
| Accuracy | ± 1.5 % |
| Accuracy Detail | ± 1.5% FS at 72°F (22.2°C). Includes linearity and repeatability |
| Battery Size and Type | Alkaline 9V |
| Compensated Temperature, Max | 104 °F |
| Compensated Temperature, Min | 32 °F |
| Display Note | 4 digit LCD (.425˝H x .234˝W digits) |
| Display Type | LCD |
| GrossWeightValue | 0.7 |
| Hysteresis | ± 0.1% |
| Kit | None included |
| Major Resolution | 0.1 inH2O |
| Materials, Wetted | Consult Factory |
| Measurement Pressure, Max | 60 inH₂O |
| Measurement Pressure, Min | -60 inH₂O |
| Measurement Type | Pressure |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Nitrogen |
| Number of Digits | 4 |
| Operating Pressure, Max | 5 psi |
| Operating Temperature, Max | 140 °F |
| Operating Temperature, Min | 0 °F |
| Pressure Limits | Up to 5 psi |
| Process Connection Size | 1/4 in |
| Process Connection Type | Tubing |
| Series ID | Series-476A |
| Supply Power Type | Battery |
| Thermal Effects | 0.05% FS/°F |
| Weight | 10.8 oz |
| Country of Origin | United States |
| See All Specs | |
Accessories
Rubber latex tubing has less tendency to kink in storage and occupies less space, thus is best for portable work. 3/16" ID, 9' length.
$12.30 / each
2646 In Stock
Carrying case for most manometers; tough, gray nylon pouch, double zippered with belt loop
$67.05 / each
3243 In Stock
Show Ratings & Reviews
Rated 1 out of
5
by
Subbu from
Bad customer service
We were not able to calibrate one of the digital manometers we bought. Requested a replacement but response from Dwyer has not been positive or helpful.
Date published: 2026-01-14