Internal Illumination Panel Meters

OPTIONAL FEATURES Illuminated Scales: The Cirscale range offers offers two types of illumination. Internal Illumination: Long life filament lamps within the case illuminate the translucent dial. Illumination power either 12 V d.c. or 24 V d.c. as standard. External Illumination: Slots in the case allow light to be shone into the acrylic dial, illuminating the scale and pointer. Rear Zero Adjustment: Available when front zero adjustment is not required, or if a plain glass front is required. Intrinsically Safe: Certified by SIRA for use in ATEX category 3,2 & 1 respectively, gas group IIC. The technique of intrinsic safety is the highest integrity method of protection available. Manufactured to BS 89 under the