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- Power Supply: 230 VAC ±10%; 50/60 Hz; 15 VA
- Range:
+pH: 0.00 to 14.00 pH
+Temperature: 9.9 to 120°C
-Resolution:
+pH: 0.01 pH
+Temperature: 0.1°C
-Accuracy @ 20°C:
+pH: ±0.02 pH
+Temperature: ±0.5°C
-Input Impedance: 1012 Ohm
- pH Calibration: automatic, one, two or three point, at pH 4.01, 7.01, 10.01
- Temperature compensation: automatic (with Pt100 probe) or manual from -9.9 to 120°C
- Outputs digital: RS485 bi-directional opto-isolated; or analog, galvanically isolated: 0-1 mA, 0-20 mA and 4-20 mA, 0-5 VDC, 1-5 VDC and 0-10 VDC
- Set Point Relay: 1 or 2 contact outputs SPDT 5A-250 VAC, 5A-30 VDC (resistive load) or 1 or 2 Solid State Relay (SSR), 1A, 250 VAC (resistive and inductive load), fuse protected (2A, 250V fast fuse)
- Alarm Relay: one contact output SPDT, 5A-250 VAC, 5A-30 VDC (resistive load), fuse protected (5A, 250V fuse)
- Protection: 400 mA 250V fast fuse
- Environment: 0 to 50°C(32 to 122°F); RH max 95% non-condensing
- Dimensions: panel cutout: 140 x 140 mm, instrument: 144 x 144 x 170 mm
- Weight : 1.6 kg (3.5 lb.)
- pH 502421-2 is supplied complete with mounting brackets and instructions
