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- Lux / Light Meters
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- Moisture Meters
- Multimeters
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- Solar Meters
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- Automotive Diagnosis Testers
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- Brake Fluid Testers
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- Gloss Meters
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- Injector Testers
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- Sound / White Noise Machines
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- MAN-45 Professional Digital Manometer, Portable Handheld Air Vacuum/ Gas Pressure Gauge Meter 11 Units with Backlight, ±13.78kPa ±2PSI, Suitable for Differential Pressure of 1-2 Pipes, Ventilation, Air Condition System Measurement MAN-45 Professional Digital Manometer, Portable Handheld Air Vacuum/ Gas Pressure Gauge Meter 11 Units with Backlight, ±13.78kPa ±2PSI, Suitable for Differential Pressure of 1-2 Pipes, Ventilation, Air Condition System Measurement
MAN-45 Professional Digital Manometer, Portable Handheld Air Vacuum/ Gas Pressure Gauge Meter 11 Units with Backlight, ±13.78kPa ±2PSI, Suitable for Differential Pressure of 1-2 Pipes, Ventilation, Air Condition System Measurement
- Description
- Return, Refund, & Warranty Policy
- Reviews
Measures air pressure of the single pipe or differential pressure of 2 pipes. Has 11 selectable units of measurement kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O.
Best for measuring the ventilation and air condition systems. Widely used for gas measurement, calibration, and any troubleshooting of any gas pressure systems.
Has additional features like data hold and auto power off disabled. Careful use of this meter will provide years of reliable service.
Application:
- HVAC/R refrigeration air-conditioning industry used to measure the pressure difference
- Medical facilities
- Measure negative pressure setting to ensure indoor air pests will not pollute the air in the outside world
- Measure the positive pressure
- Computer peripheral equipment pneumatic control
Features:
- 11 Selectable units of Measurement: kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O
- Differential pressure measurement
- Max / minimum / Average reading record function
- Large LCD backlit dual display
- Zeroing, offset and data compensation
- Low battery display and Auto power off set up function
- Data Hold and Error code Functions
- Over/ Under range indicator
- User can re-calibrate the meter at anytime
Specifications:

- Accuracy: ±0.3% FSO (at 25°C)
- Repeatability: ±0.2% (Max+0.5%FSO)
- Linearity/Hysteresis: ±0.29% FSO
- Response Time: 0.5 Seconds
- Over Range Display Indicator: Hi
- Under Range Display Indicator: Lo
- Operating Conditions: 0 ~ 50°C(32 ~ 122°F)
- Storage Conditions: -10 ~ 60°C (14 ~ 140°F)
- Power Supply: 9V battery
- Size: 165 x 80 x 45mm
- Weight: 220g (battery not included)
Set Includes:
- 1 x Digital Manometer
- 2 x Plastic Hose
- 1 x Metal Connector
- 1 x Carry Pouch
- 1 x 9V battery
- English Manual
Unhappy with your item?
If you are dissatisfied with your purchase, you may return it to us within THIRTY (30) DAYS from the purchase date subject to conditions below. Report or contact us for claims on missing items or parts, items damaged in transit, and incorrect item delivery within 2 business days upon receipt of item.
Refund & Credit
Refunds for the returned item will be issued in the same payment form used at the time of purchase. Once we receive and inspect the product, we will credit the amount to your account. Please allow 5-7 days for the credit to appear on your account.
Exchange
If the item was sent back for an exchange, please allow 3-5 business days for the replacement to be processed. The buyer will shoulder the return cost when returning an item for an exchange.
Wrong Item Received
If you received the wrong item, you may exchange it for the correct item or return it for a full refund.
Conditions
Please read all conditions below. If conditions are not met, Gain Express Holdings Ltd. reserves the right to refuse the return or to charge a restocking fee not less than 15%.
All returned or exchanged items must be in new condition and in their original box.We may refuse your return or refund request if:
- The item(s) is returned without an RMA form
- The item(s) has no valid, readable serial number (if any), inluding but not limited to items with missing, damaged, altered, or unreadable serial numbers
- The item(s) was returned without all original packaging and accessories, including the retail box, manuals, cables and all other accessories originally included with the item(s)
- The item(s) exhibits physical damages or is dirty
Returns must be done within THIRTY (30) DAYS after the purchased item has been received (unless specified) for replacement or full/partial refund, depending on what is agreeable to both parties.
Returning an Item
All returned items must be in good condition with complete original packaging and accessories. We reserve the right to charge a handling fee on all items returned to us for non-quality issues.
To Return Item(s):
-
Fill out the RMA (Return Merchandise Authorization) form and submit for our review. Once we have authorized your return request via e-mail, then proceed to step.
-
Pack your item(s) inside a shipping box. Please write Order ID # on a piece of paper and include it inside the box.
(Please do not place stickers or shipping labels on the original manufacturer's package.) -
Ship your item(s) to a warehouse near you.
(We recommend you ship via insured ground service with a tracking number. Return shipping charges is the buyer's responsibility. Gain Express Holdings Ltd. will bear the shipping cost of the replacement. We are not responsible for lost or damaged packages.)
We will take care of the rest for you!
Once our Returns Department has received and inspected your return, your refund or exchange will be processed right away.
Warranty
Replacement Warranty
Returns must be done within THIRTY (30) DAYS after receiving the purchased item (unless specified) for replacement or full/partial refund, depending on what is agreeable to both parties.
Product Service Warranty
All our items come with ONE (1) YEAR warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.
The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.