electronic display panels or modules or systems, ph controllers, data acquisition equipment, flow controllers, sight flow indicators, liquid level indicators, meter relays, analog meters, direct current (dc) geared electric motors, ph indicators, pneumatic cylinders, pneumatic signal devices, power supplies, pressure indicators or controllers, electronic temperature controllers, thermocouples, bulk solid level controllers, liquid level controllers, temperature indicators, alternating current (ac) gear motors available from e-m instruments inc based in milwaukee, wi. click the links below to visit our website or contact us via our profile page.