# Just a moment...

**Manufacturer:** Chemetrics  
**MPN:** `R-7540`

The CHEMetrics R-7540 Dissolved Oxygen Rhodazine Refill Kit is a product from Chemetrics. It measures dissolved oxygen levels in the range of 0-100 parts per billion. The minimum detectable level is 5 parts per billion. Each kit is sold individually.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Chemetrics |
| Manufacturer name | Chemetrics |
| Manufacturer | Chemetrics, CHEMetrics, CHEMetrics, Inc. |
| Extra Product Name | Just a moment... |
| extendedQty | 0 |
| moq | 1 |
| MPN | R-7540 |
| multiple | 1 |
| qtyInStock | 0 |
| qtySource | updateFromUrlEntry |
| Part Number | R-7540 |
| Model | 9866E71EA, R-7540 |
| Product Group | BISS |
| ASIN | B01622NFO2 |
| AdultProduct | False |
| Amount | 42.29 |
| Asin | B00C73KHGA, B01622NFO2 |
| Aspect | transportation_regulatory_class |
| Autographed | False |
| Batteries_required | False |
| Binding | Misc. |
| Brand | Chemetrics |
| Bullet_point | Country of Origin : United States, Package Dimensions: 2.9 L x 10.9 H x 8.6 W (centimeters), Package Weight : 1 pounds, Part number: R-7540 |
| Case | 1 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161 |
| ClassificationId | 393245011 |
| Contains_liquid_contents | True |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Water Purification System Accessories |
| Feature | Range: 0-100 ppb |
| Hazmat | 3 |
| Height | 1.1417322823, 10.9, 1200, 500, 75 |
| ItemClassification | BASE_PRODUCT |
| ItemName | CHEMetrics R-7540 CHEMets Dissolved Oxygen Refill, Rhodazine D, 30 Ampoules |
| Item_name | CHEMetrics R-7540 CHEMets Dissolved Oxygen Refill, Rhodazine D, 30 Ampoules |
| Item_package_quantity | 1 |
| Item_package_weight | 0.115 |
| Item_type_keyword | science-lab-water-purification-system-accessories |
| Keyword | R7540 |
| Label | CHEMetrics, CHEMetrics, Inc. |
| Length | 2.9, 4.2913385783 |
| Link | https://m.media-amazon.com/images/I/413+b-Eay4L._SL75_.jpg, https://m.media-amazon.com/images/I/413+b-Eay4L.jpg, https://m.media-amazon.com/images/I/61k7v4naoPL.jpg |
| Liquid_volume | 0.0 |
| List_price | 42.29 |
| Man | CHEMetrics |
| Material | Glass |
| MaterialType | Glass |
| Memorabilia | False |
| ModelNumber | R-7540 |
| Model_number | R-7540 |
| NumberOfItems | 1 |
| Number_of_items | 1 |
| PackageQuantity | 1 |
| PartNumber | R-7540 |
| Part_number | R-7540 |
| ProductCategoryId | 393245011, biss_display_on_website |
| ProductGroup | BISS, BISS Basic |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Cole-Parmer | 0554026 |  |  | None | 1 |
| NRI Industrial | D591658 | 29.94 | 1 | None | 1 |
| Zoro | G202491665 | 47.16 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/68000000/68136500/part_--R7540---Chemetrics--f0c6af0416.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp