A&D HT-300CL Checkweighing Scale, 310 g x 0.1 g, LED Comparator (Discontinued, Replaced by HT-500CL)
Original price was: $249.00.$139.00Current price is: $139.00.
Discontinued: A&D has discontinued the HT-300CL. The closest current model is the A&D HT-500CL. The HT-500CL is the closest current A&D model to the HT-300CL, with the same 0.1 g readability, LED checkweighing lights, and stackable carrying case, plus more capacity (510 g vs. 310 g). It ships free in the continental U.S.
Shop the A&D HT-500CL (replaces the HT-300CL)
A&D HT-300CL reference specs:
A&D HT-300CL checkweighing scale: 310 g × 0.1 g compact scale with red/green/orange comparator lights.
- 310 g capacity, 0.1 g readability
- Multi-colored LED comparator lights, with negative limits for removal checks
- Runs on 4 AA batteries or an AC adapter
- Large 13.5 mm LCD; key lock to protect settings
Calibrate your HT-300CL with a certificate (mail-in or in our Houston-area shop), or add calibration to your HT-500CL order:
Add In-House Calibration + Certificate ($95) Add NIST Calibration + Certificate ($395)
Description
A&D HT-300CL Checkweighing Scale: 310 g × 0.1 g with LED Comparator Lights (Discontinued, Replaced by the HT-500CL)
The A&D HT-300CL is discontinued. The closest current A&D model is the A&D HT-500CL, which has the same 0.1 g readability, LED checkweighing lights, and stackable carrying case, plus more capacity (510 g vs. 310 g). The specs below are kept for reference and for owners of the HT-300CL.
The A&D Weighing HT-300CL was the 310 g model in A&D’s HT-CL series of compact checkweighing scales. It weighs up to 310 g in 0.1 g steps, and multi-colored LED lights show under, OK, or over at a glance. A&D has discontinued it; the HT-500CL is the closest current model.
Key Features
- 310 g capacity, 0.1 g readability
- Multi-colored LED comparator lights, with negative limits for removal checks
- Runs on 4 AA batteries or an AC adapter
- Large 13.5 mm LCD; key lock to protect settings
- Stackable carrying case and color ID bars
- Units: g, oz, ozt, dwt, ct, tola, tael, N
A&D HT-300CL Specifications (Reference)
| Brand / Series | A&D Weighing / HT-CL (discontinued) |
|---|---|
| Model (MPN) | HT-300CL |
| Replacement | A&D HT-500CL |
| Capacity | 310 g |
| Readability | 0.1 g |
| Repeatability | 0.1 g |
| Linearity | ±0.2 g |
| Comparator | Multi-colored LED lights |
| Display | LCD, 13.5 mm characters |
| Power | 4 × AA batteries or AC adapter |
| Weighing pan | 132 × 130 mm |
| Dimensions (W × D × H) | 195 × 136 × 44 mm |
| Calibration | External |
Calibration for the HT-300CL and HT-500CL
Already own an A&D HT-300CL? Our TDA-certified technicians calibrate it in-house, by mail-in or in our Houston-area shop, and include a certificate. Buying the replacement HT-500CL? Add calibration to that order and it ships calibrated:
- In-house calibration with certificate, using NIST-tested weights: $95. We calibrate and verify your HT-300CL with NIST-tested weights and include a calibration certificate, so it arrives set up and accurate. Add $95 calibration to cart
- NIST calibration with a NIST-traceable certificate: $395. Full calibration documented on a NIST-traceable certificate, for labs, QC programs, and audits that need a paper trail. Add $395 NIST calibration to cart
We also recalibrate scales and balances you already own, by mail-in or in our shop, with on-site service across Houston and the surrounding area. Request calibration or call (832) 290-3120.
Frequently Asked Questions
Is the A&D HT-300CL discontinued?
Yes. A&D has discontinued it, and we recommend the HT-500CL as the closest current model.
What replaced the A&D HT-300CL?
The A&D HT-500CL, with the same 0.1 g readability, LED checkweighing lights, and stackable carrying case, plus more capacity (510 g vs. 310 g). Call us at (832) 290-3120 and we’ll help you move to the new model.
Can MNM Scales calibrate my HT-300CL?
Yes. Choose in-house calibration with a certificate, using NIST-tested weights, for $95, or NIST calibration with a NIST-traceable certificate for $395.
Additional information
| Brand | A&D Weighing |
|---|














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