This kit includes a calibrator as well as the meter, probe, custom case and manual. It appears complete and functional. It will require calibration after shipping. There are no issues with damage or display quality. It uses four standard household AA batteries which will be shipped with it.
According to the manual:
Model 8731 Q-CHECK measures CO2 and CO concentrations simultaneously with a single probe.
CO2:
Sensor type: Non-Dispersive Infrared (NDIR)
Range: 0-5000 ppm
Accuracy: ±3% of reading ± 50 ppm at 25°C (add ±0.36% of reading per °C away from calibration temperature (±0.2% of reading per °F))
Resolution: 1 ppm
Response time: 20 seconds (for 63% of final value
for 500 ppm step change in still air)
CO:
Sensor type: Electro-chemical
Range: 0 - 500 ppm
Accuracy: ± 3% of reading or 4 ppm whichever is greater (add ±0.5% of reading per °C away from calibration temp (±0.28% of reading per °F))
Resolution: 1 ppm
Repeatability: ± 2% of reading
Response time: < 60 seconds to 90% of final value
External dimensions: 76 mm x 168 mm x 38 mm // (3.0 in x 6.6 in x 1.5 in)
Probe length: Model 8731: 16.1 cm (6.34 in.)
Probe diameter: 1.9 cm (0.75 in)
Weight: 0.59 kg (1.3 pounds) (with batteries)
Display: 4-digit LCD, 15 mm (0.6 in) digit height
US buyers will pay no added US or Canadian taxes or border related fees. What is paid on checkout is all that will be paid.
Canadian buyers are required to pay 5% GST tax and to make payment in Canadian funds. Shipping will be calculated based on the delivery postal code and may be less than that indicated in USD on the DOTmed site. Please write for an invoice in CAD.
Buyers in other locations are invited to write for a shipping quote.
Return Policy
7 Day Return Policy. Customer must pay the return shipping costs when returning a product. If you find the item is not as described in the ad it may be returned for a purchase price refund. Generally, all of our items have an inspection warranty which kicks in upon delivery for a period of 7 to 14 days. It is not an operational warranty as most items sold on DOTmed require biomedical certification before use. If you require additional coverage please contact us prior to purchase.
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