The RaceMeter RFID system is not known to be compatible with Webscorer. Here’s the list of known / tested reader models - this list includes models for both active and passive chips, RFID and NFC:
Any RFID reader with LLRP
ACS ACR122U / ACR1552 (USB NFC)
ACS ACR1255U-J1 / ACR1555U (Bluetooth NFC)
Alien Technology ALR-F800
Alien Technology ALR-9900+
Bluetooth RFID (any HID device)
Emit ETS1 / ETS2 via TCP/IP
Emit ETS1 / ETS2 via USB
Feibot A400
Feibot F800
Feibot F2000
Impinj R120
Impinj R220
Impinj R420
Impinj R700
Impinj R1000
Invelion YR3000
Invelion YR8700
Invelion YR8900
Motorola / Zebra FX7400Motorola / Zebra FX7500
Motorola / Zebra FX9500
Motorola / Zebra FX9600
Motorola / Zebra FXR90
MyLaps BibTag Decoder
MyLaps ProChip Decoder
NFC (phone as reader)
Nordic ID AR62
Nordic ID AR82
Nordic ID AR85
Nordic ID Sampo S2
Race Result Decoder 5000
Race Result Ubidium
Race Result USB Timing Box
Radiant Sensors RSWR-400RFID Timing Systems Joey
RFID Timing Systems Echo
RFID Timing Systems Ultra 4
RFID Timing Systems Ultra 8
SPORTident SI-cards
Thinkify TR-265 USB
ThingMagic Astra
ThingMagic Izar
ThingMagic M6
ThingMagic Sargas
ThingMagic USB Pro