Y-DKK
TOADKK
All Brands
- a
- b
- c
- d
- e
- f
- g
- h
- i
- j
- k
- l
- m
- n
- o
- p
- q
- r
- s
- t
- u
- v
- w
- x
- y
- z
- 3
- 7
Fast Track to a Quote
1/4
Certification | Testing
Factory Certified
Refund guarantee
24h refund guarantee
Secure Payment
PayPal Verified
Brand New
In Stock
HACH Conductivity Meter HQ40D
26 inquiries last 6 mos.
US $ 9,286 .15 / ea
Registered Members Enjoy Exclusive Discounts
Quantity
1
Payment Methods
Need a Same-Day Quote?
Send your PO or PDF list directly to our specialists now
Need help confirming model compatibility?
Get fast and efficient assistance from our experienced technical sales and customer service teams. No question is too small, and no problem is too big.
100% Original
Genuine OEM Parts
Fast Delivery
Shipped via FedEx / DHL / UPS
12-Month Warranty
Worry-Free Coverage
Secure Packaging
Safe & Reliable
5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Cross-Reference Brands
Rugged pH and DO meter for outstanding and flexible field water testing.
Dual input channels for flexible measurements without the need for multiple instruments, for pH, Conductivity, Resistivity, Total Dissolved Solids (TDS), Optical Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Oxidation Reduction Potential (ORP), Ammonia, Ammonium, Fluoride, Chloride, Sodium, and temperature - connect to any Intellical™ smart electrode, sensor or probe.
Why Global Buyers Choose O&Kmarts
O&Kmarts:
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
Local Suppliers:
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: What quality certificates or compliance documentation can be provided with the shipment?
A: Upon request, we provide standard manufacturer compliance documentation, including Certificates of Conformance (CoC), factory inspection reports, and CE/RoHS certification data sheets to ensure alignment with international regulatory and safety standards.
Q: How does OKmarts ensure consistent communication across different global time zones?
A: We operate an international sales and support desk that covers major global operating hours. Every corporate buyer is assigned a dedicated Account Manager who coordinates cross-border communications, ensuring that urgent technical queries or logistics issues are answered regardless of the time difference.
Q: What secure payment methods are supported for high-value international B2B transactions?
A: To ensure transaction security and accommodate standard corporate purchasing workflows, we support secure international Telegraphic Transfers (T/T Wire), major corporate Credit Cards, PayPal, and Letter of Credit (L/C) frameworks for large-scale procurement contracts.
High Efficiency
Stable Performance
Related Products
RHV135FCC
Mitsubishi Refrigeration Compressors
US $ 469 .00
H23A463DBEA
Bristol Refrigeration Compressors
US $ 994 .04
V70SAJS-BRX-60
Daikin Piston Pump
US $ 3,346 .15
AN66YQLMT
Mitsubishi Refrigeration Compressors
US $ 888 .89
H79B30UABHA
Bristol Refrigeration Compressors
US $ 799 .00
HGA5512EXC
Tecumseh Refrigeration Compressors
US $ 845 .07
JBB055DAA
LG Refrigeration Compressors
US $ 1,860 .00
VFP7-4450P
TOSHIBA VFD
US $ 3,846 .15
M2E068-DF65-B4
Ebmpapst Fan
US $ 224 .69
U6500-TP
IKURA Fan
US $ 88 .46
RG28S-4DK.4F.5L
Ziehl Abegg Fan
US $ 773 .04
W2S130-AA03-01
Ebmpapst Fan
US $ 142 .31
9WV1212P1JD003
Sanyo Denki Fan
US $ 123 .08
614NN
Ebmpapst Fan
US $ 26 .97
DV4600-492
Ebmpapst Fan
US $ 74 .70
A4E350-AA06-23
Ebmpapst Fan
US $ 220 .00
Q&A
The field is empty. Please enter some content before clicking Send
Q: Is it possible to communicate with sellers or other buyers?
A: Yes, we offer an online customer service system and a user review section where you can communicate with merchants or other buyers, ask questions, or share your shopping experience.
Q: How can I check the stock status of a product?
A: On the product details page, you can check the stock status of the item. If a product is temporarily out of stock, we will restock it as soon as possible or provide a pre-order option.
Q: How can I compare prices and reviews of similar products?
A: On the product list page, you can view the prices and ratings of different items simultaneously. You can also use filters to sort products by price or rating, facilitating your comparison and selection.
Customer reviews
4.8
Based on 5 reviews
5
4
4
1
3
0
2
0
1
0
Aug 11, 2025
Greg VittardiEverything went as expectedHelpful?(0)(0)Mar 27, 2025
George CuicPerfect!Helpful?(1)(0)