rvirgin
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rvirgin 29/02/2020
1) One of the best air pumps available, if for no other reason than being able to reach 3,000psi. That is a high level which few other pumps can achieve. 2) Very firmly/strongly built. Many manual pumps flex so much that leakage prevents reaching proper air pressures. 3) It comes with extra O-rings, which are so essential to prevent leakage, as the pump is used frequently. Other similar pumps become useless, after the original O-rings become worn out. 4) The foot base is so sturdy that, while pumping, the body and frame do not "flop around" as many pumps do. 5) Overall, an excellent product Ross Virgin, Toronto, Canada
40Mpa Portable Air Pump Hand Tube Inflator Stand Gauge Tool Kit Hose
US$41.71 US$101.99
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Minleaf 96W 12V-24V Regulated Output Power Supply Adapter AC DC Power Adapter Charger US Plug
US$15.99 US$22.99

Q: How can I change the polarity? I could not find the way.

Asked by Takayuki Onogi on 2018-11-06 07:08:46

rvirgin EXTREMELY simple / obvious. The final plugs insert with 2 pins. What do you think would happen, with D.C., if you reverse the 2 pins ????????

2019-01-07 04:25:51 Helpful (2)
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rvirgin Didier91 I now have three of these systems (9 probes), for more than one year, and all are working perfectly. Actually the complete systems are better than any other remote recorder I have used, and I have used many for over 10 years, as I depend heavily on temperature measurements. Overwhelmingly, a malfunction in most cases is the operator, and not the probe. Several people place an outside probe in direct sunlight, then wonder why the termperature is high. Some people mount the probe on

didier91 07/12/2017
Bon produit dans l'ensemble sauf la fiabilité des sondes. Après 1 mois d'utilisation, 1 sonde donne des mauvaises mesures de la température et de l'humidité (24.5°C au lieu de 3°C). Pourtant la sonde est sous abrit et n'est pas exposée à la pluie. Pour l'instant, les autres sondes donnent des valeures corrects mais pour combien de temps...... Que va faire Banggood pour résoudre le problème? Envoyer une nouvelle sonde? Je l'espère. Good product overall except the reliability of the probes. After 1 month of use, 1 probe gives poor measurements of temperature and humidity (24.5 ° C instead of 3 ° C). Yet the probe is under shelter and is not exposed to rain. For now, the other probes give correct values but for how long ...... What will Banggood do to solve the problem? Send a new probe? I hope so.
Weather Wireless 8 Channel Thermo-Hygrometer with 3 Remote Control Sensors for Indoor/Outdoor
US$60.99
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