Sper Scientific D. O. Meter 850041 WORKS!
I did not try to clean it any further. I used an Amazon power adapter I had and it worked. See pictures. I will include the power adapter with this. You get everything you see in the pictures.
Sper Scientific 840091 Replacement Wind Screen for Sound Meter
No exceptions.
Sper Scientific 800016 Humidity/Temperature Monitor
Sper Scientific 800016 Humidity/Temperature Monitor Features Sper Scientific 800016 Digital Humidity Temperature Monitor – Large Display- Simultaneously monitors both temperature and humidity on an extra large 3-3/16 x 2½” dual display which can be read from across a room Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hours Large Display Temperature: Range -58 to 158°F (-50 to 70°C)| Resolution 0.1°F or C| Accuracy ±2°F (±1°C) RH: Range 10 to 99% | Resoltuon 1% | Accuracy ±5% Description Digital Humidity Temperature Monitor – Large Display. Simultaneously monitors both temperature and humidity on an extra large 3-3/16 x 2½” dual display which can be read from across a room. Monitor humidity and temperature in labs, chemical storage areas, clean rooms, stock rooms, warehouses, factories, greenhouses, and outdoors. Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hours. Stand or wall mount. Comes with 1 AAA battery which lasts a full year. . traceable certificate of compliance available. Payment We accept all major credit cards and PayPal. Shipping Free Shipping anywhere in the Continental United States. Please be certain your shipping address is correct as this cannot be changed once the order has been placed. Returns Should you need to return your purchase, we allow returns that are processed within 30 days of receipt of the order. Please contact us for a return authorization and the return shipping address.
SPER Scientific 840029 Digital Sound Level Meter, 50-100 dB & 80-130 dB
OSHA noise surveys. Protective carrying case. Fast and Slow response settings. Universities and research laboratories. Safety managers. Industrial hygiene professionals.
Sper Scientific 300003 Sugar/Brix Refractometer 0 to 80% Box & Instructions
The Sper Scientific 300003 Sugar/Brix Refractometer is a handheld refractometer designed for measuring sugar concentration levels ranging from 0 to 80%. This high-quality device from Sper Scientific, a trusted brand in the industry, comes with a box and instructions for easy use. Made in China, this unit is a reliable tool for professionals in various industries such as healthcare, lab, and dental settings where precise measurements are crucial. With its compact design and accurate readings, this refractometer is a valuable addition to any lab or workplace.