WordPress database error: [Unknown column 'postmeta__global_unique_id' in 'field list']UPDATE `eCm1F_barcode_scanner_posts` SET `post_title` = 'Ultra High Vacuum Miniature Grating Ruler SMG26', `post_excerpt` = '<strong>Ultra High Vacuum Miniature Grating Ruler SMG26</strong><strong>Features:</strong><ul> <li>Small size</li> <li>Compact structure</li> <li>Suitable for ultra-high vacuum use</li> <li>Good resistance to high temperature, up to 100 </li> <li>large installation tolerance (tolerance 0.1mm).</li></ul>Grating Ruler pitch of 256 m, for the permissible speed value of different interpolation multiples, high precision, absolute accuracy of 3 m (20 ), the use of glass within the Grating Ruler allows the coefficient of expansion, with good stability of the readout.<strong>High resolution, with a TF15 subdividing connector, the reading resolution can reach 1nm.</strong>', `post_type` = 'product', `post_status` = 'publish', `post_parent_status` = NULL, `post_parent` = 0, `post_author` = 2262, `post_date` = '2026-04-21 16:18:25', `post_modified` = '2026-04-21 16:19:55', `postmeta__sku` = 'ZEP149-0062', `postmeta__variation_description` = '', `postmeta__customer_user` = '', `postmeta__alg_ean` = '', `postmeta__wpm_gtin_code` = '', `postmeta_hwp_product_gtin` = '', `postmeta__ywbc_barcode_display_value` = '', `postmeta__wepos_barcode` = '', `postmeta__ts_gtin` = '', `postmeta__ts_mpn` = '', `postmeta__zettle_barcode` = '', `postmeta__order_number` = '', `postmeta__billing_address_index` = '', `postmeta__shipping_address_index` = '', `postmeta__wc_shipment_tracking_items` = '', `postmeta__aftership_tracking_items` = '', `postmeta_ywot_tracking_code` = '', `postmeta__global_unique_id` = '', `usbs_barcode_field` = '', `atum_supplier_sku` = '', `atum_barcode` = '', `atum_supplier_id` = '', `uegen_code` = '', `product_type` = 'simple', `client_name` = '', `client_email` = '', `customer_id` = '', `successful_update` = '1', `updated` = '2026-06-20 15:27:42' WHERE `post_id` = 285286537